Misc
edit- gyrophoric acid yikes
- Harungana finish splitting
The most iNatted plants without articles
edit- Update name?
- Common names to check
- Cylindropuntia ganderi, gander's cholla
- Scutellaria drummondii, drummond's skullcap
- Cirsium horridulum, bristle thistle
- Strelitzia reginae, common bird-of-paradise flower
- Eriogonum umbellatum, sulfur buckwheat
- Bougainvillea glabra, lesser bougainvillea
- Cypripedium parviflorum, yellow lady's slipper
- Dendrolycopodium obscurum, flat-branched tree-clubmoss
- Viola odorata, eurasian sweet violet
- Yucca filamentosa, common yucca
- Rapistrum rugosum, annual bastard cabbage
- Euphorbia hirta, asthma plant
- Calypso bulbosa, fairy-slipper
- Bignonia capreolata, cross vine
- Dracaena fragrans, cornstalk dracena
- Pilea pumila, canada clearweed
- Vitex agnus-castus, lilac chaste tree
- Hylocomium splendens, stairstep moss
- Maianthemum dilatatum, western lily of the valley
- Spiraea douglasii, rose spiraea
- Anthurium andraeanum, painter's-palette
- Cerastium glomeratum, sticky mouse-ear chickweed
- Begonia cucullata, wax begonia
- Castilleja affinis, coast indian paintbrush
- Pedicularis canadensis, canadian wood betony
- Rosa acicularis, prickly wild rose
- Trillium recurvatum, prairie trillium
- Cucurbita pepo, american pumpkin
- Euphorbia prostrata, prostrate sandmat
- Solidago nemoralis, field goldenrod
- Trifolium dubium, lesser hop trefoil
- Malacothamnus fasciculatus, chaparral bush-mallow
- Collinsia heterophylla, purple chinese houses
- Cardamine diphylla, two-leaved toothwort
- Calochortus albus, white globe lily
- Corethrogyne filaginifolia, california aster
- Gymnocarpium dryopteris, northern oak fern
- Dahlia pinnata, garden dahlia
- Erigeron bonariensis, flax-leaved horseweed
- Elymus hystrix, bottlebrush grass
- Pteridium esculentum, austral bracken
- Sisyrinchium angustifolium, narrow-leaved blue-eyed grass
- Claytonia caroliniana, carolina spring-beauty
- Tradescantia spathacea, moses-in-the-cradle
- Brassica tournefortii, saharan mustard
- Celosia argentea, quail grass
- Cercocarpus betuloides, birchleaf mountain mahogany
- Stachys bullata, california hedge nettle
- Apios americana, american groundnut
- Cnidoscolus texanus, texas bull nettle
- Polypogon monspeliensis, rabbitfoot grass
- Ruellia nudiflora, violet ruellia
- Eriodictyon crassifolium, thick-leaved yerba santa
- Gardenia jasminoides, common gardenia
- Marchantia polymorpha, common liverwort
- Castilleja foliolosa, woolly indian paintbrush
- Parnassia palustris, marsh grass-of-parnassus
- Dasylirion wheeleri, wheeler sotol
- Bidens aristosa, tickseed beggar-ticks
- Diplacus puniceus, red bush monkeyflower
- Lithospermum incisum, fringed puccoon
- Cylindropuntia prolifera, coast cholla
- Juncus tenuis, slender path rush
- Sedum spathulifolium, broad-leaved stonecrop
- Ulva lactuca, broadleaf sea lettuce
- Mesembryanthemum crystallinum, crystalline ice plant
- Petunia × atkinsiana, garden petunia
- Erigeron karvinskianus, Santa Barbara daisy
- Euonymus japonicus, Japanese spindle tree
- Heliconia rostrata, hanging lobster claw heliconia
- Hypericum hypericoides, St. Andrews cross
- Bryum argenteum, silvery bryum
- Grindelia stricta, oregon gumplant
- Mammillaria grahamii, Graham's fishhook cactus
- Stachytarpheta jamaicensis, blue porterweed
- Passiflora edulis, common passionfruit
- Persicaria sagittata, arrow-leaved tearthumb
- Impatiens hawkeri, New Guinea impatiens
- Strophostyles helvola, trailing fuzzy-bean
- Syngonium podophyllum, goosefoot-plant
- Aquilegia coerulea, blue columbine
- Hexastylis arifolia, little brown jug
- Carpobrotus chilensis, chilean sea fig
- Echinocereus triglochidiatus, claret-cup hedgehog
- Rubus pubescens, dwarf raspberry
- Portulaca pilosa, shaggy portulaca
- Dudleya farinosa, bluff lettuce
- Streptopus ampcallexifolius, white twisted-stalk
- Smilax glauca, sawbrier
- Elephantopus carolinianus, leafy elephant's-foot
- Mesembryanthemum cordifolium, heart-leaf ice plant
- Abronia latifolia, yellow sand verbena
- Dimorphotheca fruticosa, trailing african daisy
- Geranium viscosissimum, sticky geranium
- Nuphar variegata, variegated pond-lily
- Yucca glauca, great plains yucca
- Ribes cynosbati, prickly gooseberry
- Agave attenuata, swan-neck agave
- Dendrolycopodium dendroideum, prickly tree-clubmoss
- Ranunculus recurvatus, hooked buttercup
- Cyperus strigosus, straw-colored flatsedge
- Ruellia caroliniensis, carolina ruellia
- Bromus catharticus, rescue brome
- Pentas lanceolata, egyptian star-cluster
- Ligustrum quihoui, quihoui privet
- Vaccinium oxycoccos, bog cranberry
- Delphinium carolinianum, wild blue larkspur
- Pyrola elliptica, shinleaf
- Viola pedata, bird's foot violet
- Eulobus californicus, california primrose
- Castilleja applegatei, wavyleaf paintbrush
- Rhynchospora colorata, whitetop sedge
- Ceanothus americanus, new jersey tea
- Agave salmiana, pulque agave
- Pachystachys lutea, golden shrimp plant
- Gaillardia aristata, great blanketflower
- Viola bicolor, american field pansy
- Philodendron bipinnatifidum, tree philodendron
- Salvia azurea, giant blue sage
- Psorothamnus schottii, Schott's indigo bush
- Spergularia rubra, red sand spurrey
- Pleurozium schreberi, red-stemmed feather moss
- Gazania linearis, striped treasureflower
- Wyethia angustifolia, narrowleaf mule-ears
- Leymus condensatus, giant wild rye
- Polygonatum multiflorum, eurasian solomon's seal
- Myrtillocactus geometrizans, blue myrtle-cactus
- Thymophylla pentachaeta, parralena
- Pachycereus pecten-aboriginum, indian comb
- Euphorbia serpens, matted sandmat
- Lepidium draba, heart-podded hoary cress
- Plantago erecta, dot-seed plantain
- Sceptridium dissectum, cut-leaved grape-fern
- Calamagrostis epigejos, bushgrass
- Sort
- Ehrharta erecta, veldt grass
- Streptopus lanceolatus, rose twisted-stalk
- Polycarpon tetraphyllum, fourleaf manyseed
- Russelia equisetiformis, firecracker plant
- Leymus mollis, american dune grass
- Calochortus tolmiei, pussy-ears
- Calochortus leichtlinii, leichtlin's mariposa lily
- Euphorbia hypericifolia, graceful spurge
- Mentha canadensis, american cornmint
- Hedypnois cretica, crete weed
- Jasione montana, sheep's-bit
- Romneya coulteri, coulter's matilija poppy
- Euphorbia bicolor, snow-on-the-prairie
- Cyathea medullaris, black tree fern
- Ceanothus leucodermis, chaparral whitethorn
- Iris missouriensis, western blue flag
- Clivia miniata, natal lily
- Euphorbia tirucalli, fire stick
- Briza minor, little quaking-grass
- Camassia scilloides, atlantic camas
- Nassella pulchra, purple needlegrass
- Clintonia uniflora, bride's bonnet
- Vachellia karroo, sweet thorn
- Turnera ulmifolia, yellow alder
- Iris virginica, southern blue flag
- Lobelia spicata, pale-spiked lobelia
- Echinocereus enneacanthus, strawberry cactus
- Pithecellobium dulce, guamúchil
- Bellardia viscosa, yellow glandweed
- Bidens bipinnata, spanish needles
- Plantago virginica, dwarf plantain
- Linaria purpurea, purple toadflax
- Senecio glomeratus, cutleaf burnweed
- Lycopus uniflorus, northern bugleweed
- Clematis drummondii, texas virgin's bower
- Pogonia ophioglossoides, rose pogonia
- Ericameria linearifolia, narrowleaf goldenbush
- Lactuca canadensis, canada wild lettuce
- Ulva intestinalis, gutweed
- Crataegus douglasii, black hawthorn
- Aconitum columbianum, columbian monkshood
- Machaeranthera tanacetifolia, tahoka daisy
- Escobaria vivipara, viviparous foxtail cactus
- Humulus japonicus, japanese hops
- Avena barbata, slender wild oat
- Stenotaphrum secundatum, saint augustine grass
- Caltha leptosepala, white marsh marigold
- Hemizonia congesta, hayfield tarweed
- Carex pendula, hanging sedge
- Clitoria ternatea, blue pea
- Pellaea mucronata, bird's foot cliffbrake
- Eriocapitella hupehensis, hubei anemone
- Rubus ulmifolius, elmleaf blackberry
- Etlingera elatior, torch ginger
- Mertensia ciliata, mountain bluebells
- Ulmus minor, field elm
- Dendroalsia abietina
- Lygodesmia texana, texas skeleton plant
- Lupinus latifolius, broadleaf lupine
- Mimosa strigillosa, sunshine mimosa
- Jasminum polyanthum, pink jasmine
- Baptisia bracteata, longbract wild indigo
- Yucca filifera, tree yucca
- Leopoldia comosa, tassel hyacinth
- Veronica americana, american brooklime
- Xanthisma spinulosum, spiny goldenweed
- Tsuga mertensiana, mountain hemlock
- Artocarpus altilis, breadfruit
- Amphiachyris dracunculoides, prairie broomweed
- Mimosa quadrivalvis, fourvalve mimosa
- Agropyron cristatum, crested wheatgrass
- Arenaria serpyllifolia, thyme-leaved sandwort
- Asparagus densiflorus, sprenger's asparagus
- Bistorta officinalis, common bistort
- Lupinus hirsutissimus, stinging lupine
- Symphyotrichum drummondii, drummond's aster
- Juncus acutus, spiny rush
- Cylindropuntia versicolor, staghorn cholla
- Calochortus venustus, butterfly mariposa lily
- Setaria parviflora, marsh bristlegrass
- Zephyranthes drummondii, drummond's rain lily
- Croton lindheimeri, lindheimer's doveweed
- Carex vulpinoidea, fox sedge
- Mercurialis perennis, dog's mercury
- Muehlenbeckia complexa, scrambling pohuehue
- Syagrus romanzoffiana, queen palm
- Salvia officinalis, sage
- Lantana × urticoides, texas lantana
- Ulmus thomasii, rock elm
- Ligustrum japonicum, japanese privet
- Zephyranthes chlorosolen, brazos rain-lily
- Psorothamnus spinosus, smoke tree
- Carex plantaginea, plantainleaf sedge
- Helianthus angustifolius, narrowleaf sunflower
- Senecio triangularis, arrowleaf senecio
- Catalpa bignonioides, southern catalpa
- Campanula persicifolia, peach-leaved bellflower
- Hyacinthus orientalis, hyacinth
- Sophora microphylla, small-leaved kowhai
- Asphodelus fistulosus, onion-leafed asphodel
- Sairocarpus nuttallianus, nuttall's snapdragon
- Collinsia parviflora, small-flowered blue-eyed mary
- Amaranthus palmeri, palmer's amaranth
- Herbertia lahue, prairie nymph
- Melampyrum pratense, common cow-wheat
- Calyptridium monospermum, one-seeded pussypaws
- Polygala lutea, orange milkwort
- Asparagus aethiopicus, african asparagus
- Tephrosia virginiana, goat's rue
- Rudbeckia amplexicaulis, clasping coneflower
- Penstemon centranthifolius, scarlet bugler
- Bahiopsis parishii, parish's goldeneye
- Acmispon strigosus, strigose lotus
- Calliandra haematocephala, scarlet powder-puff
- Buddleja cordata
- Hedychium gardnerianum, kahili ginger
- Chaenactis fremontii, fremont's pincushion
- Dittrichia viscosa, false yellowhead
- Hazardia squarrosa, saw-toothed goldenbush
- Hedwigia ciliata, hedwig's fringeleaf moss
- Eschscholzia parishii, goldpoppy
- Verbena officinalis, common vervain
- Hylocereus undatus, night-blooming cereus
- Dieteria canescens, hoary aster
- Thalictrum fendleri, fendler's meadow-rue
- Descurainia pinnata, western tansy mustard
- Buglossoides arvensis, corn gromwell
- Melampyrum lineare, narrowleaf cow wheat
- Heliotropium indicum, indian heliotrope
- Smallanthus uvedalia, bear's foot
- Eutrochium fistulosum, hollow joe-pye weed
- Dicranopteris linearis, false staghorn fern
- Chaenomeles speciosa, chinese quince
- Rosa bracteata, macartney's rose
- Ceratonia siliqua, carob tree
- Cirsium undulatum, wavyleaf thistle
- Lunularia cruciata, crescent-cup liverwort
- Carex lurida, sallow sedge
- Prunus emarginata, bitter cherry
- Arabidopsis lyrata, sand cress
- Dactyloctenium aegyptium, durban crowfoot
- Sagittaria lancifolia, lanceleaf arrowhead
- Eriophyllum wallacei, wallace's woollydaisy
- Viola blanda, sweet white violet
- Neckera pennata, shingle moss
- Mikania micrantha, mile-a-minute
- Sanguisorba officinalis, great burnet
- Rubus laciniatus, cutleaf blackberry
- Pulsatilla occidentalis, white pasqueflower
- Cynosurus echinatus, bristly dogtail grass
- Senecio integerrimus, tall western groundsel
- Betonica officinalis, common hedge-nettle
- Stachys chamissonis, coastal hedge-nettle
- Campanula patula, spreading bellflower
- Agalinis purpurea, purple false foxglove
- Toxicoscordion venenosum, meadow deathcamas
- Muscari armeniacum, garden grape-hyacinth
- Scrophularia nodosa, common figwort
- Cedrus atlantica, atlas cedar
- Lathyrus vernus, spring vetch
- Digitaria sanguinalis, hairy crabgrass
- Hieracium umbellatum, canada hawkweed
- Trillium cernuum, nodding trillium
- Poa bulbosa, bulbous meadow-grass
- Indigofera miniata, scarlet pea
- Kniphofia uvaria, red hot poker
- Phacelia campanularia, desert bluebells
- Nama hispida, purple mat
- Inula helenium, elecampane
- Bloomeria crocea, goldenstar
- Fallopia scandens, climbing false buckwheat
- Sesbania herbacea, bigpod sesbania
- Aplectrum hyemale, putty root
- Maianthemum bifolium, may lily
- Hydrocharis morsus-ranae, european frog-bit
- Alopecurus pratensis, meadow foxtail
- Frangula purshiana, cascara
- Croton californicus, california croton
- Lewisia rediviva, oregon bitterroot
- Collinsonia canadensis, citronella horse balm
- Prunus dulcis, almond
- Tradescantia occidentalis, western spiderwort
- Kindbergia oregana, oregon beaked moss
- Acacia saligna, golden wreath wattle
- Rubus chamaemorus, cloudberry
- Asplenium rhizophyllum, walking fern
- Pinus lambertiana, sugar pine
- Caulophyllum giganteum, early blue cohosh
- Petasites hybridus, butterbur
- Pinus halepensis, aleppo pine
- Blechnum novae-zelandiae, kiokio
- Polystichum vestitum, prickly shield fern
- Melampyrum nemorosum, wood cow-wheat
- Arundina graminifolia, bamboo orchid
- Nama demissa, purple mat
- Pluchea sericea, arrowweed
- Salix laevigata, red willow
- Podocarpus macrophyllus, kusamaki
- Elymus repens, quack grass
- Phegopteris hexagonoptera, broad beech fern
- Glycyrrhiza lepidota, wild licorice
- Abies lasiocarpa, subalpine fir
- Alisma plantago-aquatica, european water-plantain
- Solidago velutina, velvety goldenrod
- Amaranthus cruentus, red amaranth
- Cystopteris bulbifera, bulblet fern
- Geum aleppicum, yellow avens
- Celtis reticulata, netleaf hackberry
- Polygonatum pubescens, hairy solomon's-seal
- Corallina officinalis, common coralline
- Eriophorum vaginatum, tussock cottongrass
- Yucca gigantea, spineless yucca
- Scoliopus bigelovii, california fetid adderstongue
- Glandularia canadensis, rose vervain
- Dysphania ambrosioides, mexican tea
- Viola striata, cream violet
- Lobelia erinus, garden lobelia
- Pinus monticola, western white pine
- Juniperus grandis, sierra juniper
- Cotoneaster coriaceus, late cotoneaster
- Madia elegans, common madia
- Gazania rigens, beach gazanias
- Solidago bicolor, silverrod
- Diplotaxis tenuifolia, perennial wall-rocket
- Ozothamnus leptophyllus, tauhinu
- Senecio flaccidus, threadleaf groundsel
- Anthemis cotula, stinking chamomile
- Ferocactus viridescens, san diego barrel cactus
- Ammophila breviligulata, american marram grass
- Lolium arundinaceum, tall fescue
- Lactuca sativa, lettuce
- Iresine diffusa, juba's bush
- Clintonia andrewsiana, andrews' clintonia
- Taxus brevifolia, pacific yew
- Muehlenbeckia australis, pohuehue
- Helleborus foetidus, stinking hellebore
- Zostera marina, eelgrass
- Iris foetidissima, stinking iris
- Mesembryanthemum nodiflorum, slender iceplant
- Plagiobothrys nothofulvus, rusty popcornflower
- Echinocereus stramineus, strawberry hedgehog cactus
- Cleome houtteana, spider flower
- Handroanthus chrysanthus, golden trumpet-tree
- Cardamine douglassii, purple cress
- Trillium chloropetalum, giant wakerobin
- Lepidium latifolium, broadleaved pepperweed
- Emilia fosbergii, red tasselflower
- Echinacea pallida, pale purple coneflower
- Erythronium oregonum, giant white fawn lily
- Calamagrostis canadensis, canadian bluejoint
- Bahiopsis laciniata, san diego county viguiera
- Euphorbia nutans, nodding spurge
- Pyrrosia eleagnifolia, leather-leaf fern
- Phalaris aquatica, harding grass
- Avicennia marina, grey mangrove
- Carex grayi, gray's sedge
- Iris domestica, blackberry lily
- Homalocephala texensis, horse crippler cactus
- Osmanthus fragrans, sweet olive
- Trollius europaeus, globeflower
- Eucrypta chrysanthemifolia, common eucrypta
- Senecio elegans, red-purple ragwort
- Arabidopsis thaliana, mouse-ear cress
- Pteris vittata, ladder fern
- Ficus aurea, florida strangler fig
- Calliandra eriophylla, pink fairy-duster
- Erysimum cheiranthoides, wormseed wallflower
- Castilleja purpurea, purple paintbrush
- Crinum asiaticum, tree crinum
- Symphyotrichum novi-belgii, New York aster
- Styphnolobium japonicum, japanese pagoda tree
- Pinus canariensis, canary island pine
- Castilleja coccinea, scarlet indian-paintbrush
- Morus nigra, black mulberry
- Phyllospadix torreyi, surf grass
- Uniola paniculata, sea oats
- Onopordum acanthium, cotton thistle
- Eriogonum wrightii, wright's buckwheat
- Coreopsis tripteris, tall coreopsis
- Cypripedium reginae, showy lady's slipper
- Dianthus carthusianorum, carthusian pink
- Gomphrena serrata, gomphrena weed
- Lobelia puberula, downy lobelia
- Cryptomeria japonica, sugi
- Rorippa palustris, bog yellowcress
- Chamaecrista nictitans, sensitive pea
- Lilium michiganense, michigan lily
- Chorispora tenella, crossflower
- Polymnia canadensis, leafcup
- Cercis siliquastrum, judas-tree
- Corydalis solida, bird-in-a-bush
- Leucanthemum maximum, shasta daisy
- Anchusa officinalis, common alkanet
- Cyanthillium cinereum, little ironweed
- Hypericum punctatum, spotted St. john's wort
- Andersonglossum virginianum, wild comfrey
- Aloe maculata, soap aloe
- Scutellaria lateriflora, side-flowering skullcap
- Ficus macrophylla, moreton bay fig
- Cedrus deodara, deodar cedar
- Ballota nigra, black horehound
- Romulea rosea, rosy sandcrocus
- Mastocarpus papillatus, turkish washcloth
- Jatropha dioica, leatherstem
- Gomphrena globosa, globe amaranth
- Penstemon heterophyllus, bunchleaf penstemon
- Erigeron divergens, spreading fleabane
- Opuntia cochenillifera, cochineal nopal cactus
- Symphyotrichum subulatum, annual saltmarsh aster
- Phacelia parryi, parry's phacelia
- Pinus pinaster, maritime pine
- Chrysothamnus viscidiflorus, yellow rabbitbrush
- Astragalus trichopodus, santa barbara milkvetch
- Hypericum calycinum, rose-of-sharon
- Cercocarpus ledifolius, curl-leaf mountain-mahogany
- Castilleja integra, wholeleaf indian paintbrush
- Dryopteris expansa, spreading wood fern
- Clematis pitcheri, pitcher's leatherflower
- Alocasia macrorrhizos, giant taro
- Hymenocallis littoralis, beach spider lily
- Dulichium arundinaceum, three-way sedge
- Sisyrinchium montanum, strict blue-eyed grass
- Lithospermum caroliniense, hairy puccoon
- Cercocarpus montanus, alder-leaved mountain-mahogany
- Ceanothus velutinus, snowbrush ceanothus
- Veronica peregrina, purslane speedwell
- Juniperus chinensis, chinese juniper
- Trixis californica, american threefold
- Purshia stansburyana, stansbury's cliffrose
- Sporobolus alterniflorus, saltmarsh cord grass
- Araucaria araucana, monkey-puzzle
- Triphysaria eriantha, johnnytuck
- Deschampsia cespitosa, tufted hair grass
- Pulicaria dysenterica, common fleabane
- Bouteloua dactyloides, buffalo grass
- Clematis ligusticifolia, western virgin's bower
- Juncus patens, spreading rush
- Pityopsis graminifolia, narrowleaf silkgrass
- Lepechinia calycina, california pitcher sage
- Fallopia convolvulus, black-bindweed
- Oncosiphon piluliferum, stinknet
- Zinnia peruviana, peruvian zinnia
- Senna lindheimeriana, lindheimer's senna
- Cotoneaster horizontalis, wall cotoneaster
- Agave vivipara, century plant
- Rosa rubiginosa, sweet-brier
- Veronica longifolia, long-leaved speedwell
- Eschscholzia minutiflora, little gold poppy
- Asplenium oblongifolium, huruhuruwhenua
- Viola purpurea, goosefoot violet
- Mirabilis nyctaginea, wild four o'clock
- Medicago falcata, sickle alfalfa
- Panicum maximum, guineagrass
- Ehretia anacua, anacua tree
- Corallorhiza striata, striped coralroot
- Anemonoides ranunculoides, yellow anemone
- Phyla lanceolata, lanceleaf frogfruit
- Lotus pedunculatus, greater bird's-foot-trefoil
- Tillandsia fasciculata, cardinal airplant
- Eriogonum parvifolium, seacliff wild buckwheat
- Castilleja densiflora, denseflower indian paintbrush
- Nephrolepis exaltata, southern sword fern
- Maurandya antirrhiniflora, snapdragon vine
- Sesbania drummondii, rattlebush
- Carex crinita, fringed sedge
- Polygonatum odoratum, scented solomon's-seal
- Trifolium aureum, large hop clover
- Sesbania vesicaria, bladder pod
- Pseudognaphalium biolettii, two-color rabbit tobacco
- Rosa arkansana, prairie rose
- Carduus acanthoides, broad-winged thistle
- Nabalus altissimus, tall rattlesnakeroot
- Lophocereus schottii, senita cactus
- Lomaria discolor, crown fern
- Photinia serratifolia, chinese photinia
- Crinum americanum, southern swamp crinum
- Crataegus laevigata, midland hawthorn
- Pinus coulteri, coulter pine
- Mirabilis multiflora, colorado four o'clock
- Pinus torreyana, torrey pine
- Narcissus poeticus, poet's narcissus
- Mammillaria heyderi, little nipple cactus
- Fraxinus albicans, texas ash
- Opuntia chlorotica, pancake prickly-pear
- Tetragonia tetragonoides, native spinach
- Carpodetus serratus, marble leaf
- Asplenium flaccidum, drooping spleenwort
- Schoenoplectus acutus, hardstem bulrush
- Verbena rigida, slender vervain
- Glaucium flavum, yellow horned poppy
- Eranthis hyemalis, winter aconite
- Phoenix dactylifera, date palm
- Senecio minimus, coastal burnweed
- Plantago ovata, desert plantain
- Senna obtusifolia, american sicklepod
- Trifolium medium, zigzag clover
- Vicia ludoviciana, slender vetch
- Agave parryi, parry's agave
- Brachyglottis repanda, rangiora
- Danthonia spicata, poverty oatgrass
- Monoptilon bellioides, mojave desert star
- Vigna luteola, hairypod cowpea
- Trichostema dichotomum, blue curls
- Polypremum procumbens, rust weed
- Morus indica, korean mulberry
- Fatoua villosa, hairy crabweed
- Laburnum anagyroides, common laburnum
- Agrimonia parviflora, swamp agrimony
- Smilax aspera, rough bindweed
- Dioscorea bulbifera, air potato
- Fragaria × ananassa, garden strawberry
- Asplenium ceterach, rustyback
- Lactuca biennis, tall blue lettuce
- Hippobroma longiflora, star of bethlehem
- Pancratium maritimum, sea daffodil
- Viguiera dentata, golden-eye
- Elodea canadensis, common waterweed
- Penstemon spectabilis, showy penstemon
- Erigeron pulchellus, robin's-plantain
- Arnoglossum plantagineum, prairie indian plantain
- Argemone munita, flatbud prickly poppy
- Juniperus monosperma, one-seed juniper
- Scutellaria integrifolia, helmet skullcap
- Viola rostrata, long-spurred violet
- Amelanchier utahensis, utah serviceberry
- Sophora affinis, eve's necklace
- Batis maritima, saltwort
- Bischofia javanica, bishop wood
- Homalocephala polycephala, harem cactus
- Eupatorium altissimum, tall boneset
- Carex lupulina, hop sedge
- Schoenoplectus californicus, california bulrush
- Hamatocactus hamatacanthus, turk's head
- Platanthera bifolia, lesser butterfly-orchid
- Spiranthes romanzoffiana, hooded ladies' tresses
- Imperata cylindrica, cogon grass
- Callicarpa dichotoma, purple beautyberry
- Agathis australis, kauri
- Parietaria pensylvanica, pennsylvania pellitory
- Lobelia kalmii, kalm's lobelia
- Lupinus microcarpus, chick lupine
- Aristida purpurea, purple three-awn
- Galinsoga parviflora, gallant soldier
- Eriophorum virginicum, tawny cotton-grass
- Artemisia pycnocephala, beach wormwood
- Verbascum virgatum, wand mullein
- Lavandula dentata, french lavender
- Veronica speciosa, New Zealand hebe
- Nemophila phacelioides, texas baby blue eyes
- Corallorhiza mertensiana, pacific coralroot
- Senna alata, candlebush
- Lilium pardalinum, leopard lily
- Rubus pensilvanicus, pennsylvania blackberry
- Acmella repens, oppositeleaf spotflower
- Euphorbia hyssopifolia, hyssop spurge
- Picris hieracioides, hawkweed oxtongue
- Salvia nemorosa, purple wood sage
- Leucojum aestivum, summer snowflake
- Thysanocarpus curvipes, sand fringepod
- Ranunculus muricatus, rough-fruited buttercup
- Elephantopus tomentosus, common elephant's-foot
- Dietes iridioides, african iris
- Scirpus microcarpus, panicled bulrush
- Ranunculus aquatilis, common water-crowfoot
- Crescentia cujete, calabash tree
- Calochortus amabilis, diogenes' lantern
- Castilleja linariifolia, wyoming indian paintbrush
- Agalinis tenuifolia, slender false foxglove
- Clematis occidentalis, purple clematis
- Helleborus orientalis, lenten-rose
- Muscari botryoides, common grape hyacinth
- Persicaria chinensis, china knotweed
- Johnstonella angustifolia, narrow-leaved cryptantha
- Trachycarpus fortunei, chinese windmill palm
- Anisocarpus madioides, woodland madia
- Eleocharis palustris, common spike-rush
- Wyethia mollis, woolly mule's ears
- Phacelia hastata, silverleaf phacelia
- Pinus mugo, mountain pine
- Phacelia californica, california phacelia
- Tagetes lunulata, red-crescent marigold
- Opuntia tomentosa, woollyjoint pricklypear
- Mimosa nuttallii, catclaw brier
- Silene stellata, starry campion
- Livistona chinensis, chinese fan palm
- Linum rigidum, yellow flax
- Erythranthe lewisii, lewis' monkeyflower
- Vicia hirsuta, hairy tare
- Wigandia urens, fiberglass plant
- Mercurialis annua, annual mercury
- Phacelia congesta, blue curls
- Trichostema lanatum, woolly bluecurls
- Teucrium scorodonia, woodland germander
- Dichelostemma congestum, ookow
- Stephanomeria pauciflora, brownplume wirelettuce
- Carlina acaulis, silver thistle
- Rhodotypos scandens, jetbead
- Armoracia rusticana, horseradish
- Lasthenia gracilis, common goldfields
- Nemophila heterophylla, white nemophila
- Jeffersonia diphylla, twinleaf
- Rubus hispidus, swamp dewberry
- Woodsia obtusa, blunt woodsia
- Aquilegia chrysantha, golden columbine
- Zephyranthes atamasco, atamasco lily
- Corydalis aurea, scrambled eggs
- Triglochin maritima, common arrowgrass
- Malus fusca, pacific crab apple
- Reseda lutea, wild mignonette
- Euphrasia nemorosa, common eyebright
- Kerria japonica, japanese kerria
- Thalictrum dasycarpum, purple meadow-rue
- Celtis australis, nettle tree
- Marginatocereus marginatus, mexican fence post cactus
- Vachellia constricta, whitethorn acacia
- Aconitum napellus, monk's-hood
- Cirsium oleraceum, cabbage thistle
- Turritis glabra, tower mustard
- Achillea ptarmica, sneezewort
- Hypoestes phyllostachya, polka dot plant
- Ficinia nodosa, knobby clubrush
- Ebenopsis ebano, texas ebony
- Atriplex hymenelytra, desert holly
- Tortula muralis, wall screw-moss
- Opuntia robusta, nopal tapón
- Fumaria muralis, common ramping-fumitory
- Platycodon grandiflorus, balloon flower
- Solidago speciosa, showy goldenrod
- Papaver dubium, long-headed poppy
- Histiopteris incisa, water fern
- Heliotropium angiospermum, scorpion's-tail
- Veronica filiformis, slender speedwell
- Uvularia perfoliata, perfoliate bellwort
- Anemone cylindrica, cylindrical thimbleweed
- Mammillaria magnimamma, mexican pincushion cactus
- Ceanothus integerrimus, deerbrush ceanothus
- Pinus albicaulis, whitebark pine
- Wedelia hispida, texas creeping-oxeye
- Achillea filipendulina, fern-leaf yarrow
- Hieracium albiflorum, white hawkweed
- Carduus crispus, welted thistle
- Rhamnus alaternus, mediterranean buckthorn
- Utricularia macrorhiza, common bladderwort
- Funaria hygrometrica, bonfire moss
- Smilax herbacea, smooth carrionflower
- Scutellaria mexicana, paperbag bush
- Koeberlinia spinosa, crown of thorns
- Bistorta vivipara, alpine bistort
- Penstemon barbatus, beardlip penstemon
- Koeleria macrantha, prairie junegrass
- Eysenhardtia texana, texas kidneywood
- Dalea candida, white prairie clover
- Arrhenatherum elatius, tall oat grass
- Hypochaeris glabra, smooth cat's ear
- Pinus flexilis, limber pine
- Schoenoplectus pungens, three-square bulrush
- Muhlenbergia capillaris, muhly grass
- Aloysia gratissima, whitebrush
- Macroptilium atropurpureum, purple bush-bean
- Ephedra viridis, green ephedra
- Mentha longifolia, horse mint
- Dryopteris cristata, crested wood fern
- Juncus bufonius, toad rush
- Salvia splendens, scarlet sage
- Arnoglossum atriplicifolium, pale indian plantain
- Berberis darwinii, darwin's barberry
- Capparis spinosa, caper bush
- Aloe ferox, cape aloe
- Atriplex semibaccata, berry saltbush
- Thymus serpyllum, wild thyme
- Himantoglossum robertianum, giant orchid
- Cotula australis, australian waterbuttons
- Potamogeton natans, floating-leaved pondweed
- Erigeron foliosus, leafy fleabane
- Boechera laevigata, smooth rockcress
- Consolida ajacis, rocket larkspur
- Clematis paniculata, puawhananga
- Astragalus lentiginosus, freckled milkvetch
- Vachellia rigidula, blackbrush acacia
- Euphorbia trigona, african milk weed
- Caesalpinia gilliesii, yellow bird-of-paradise bush
- Fraxinus velutina, velvet ash
- Cupressus nootkatensis, nootka cypress
- Hymenopappus scabiosaeus, woolly white
- Enterolobium cyclocarpum, elephant ear tree
- Syringa reticulata, japanese tree lilac
- Pellaea atropurpurea, purple-stem cliffbrake
- Cymbopogon citratus, lemon grass
- Juncus articulatus, jointed rush
- Euphorbia heterophylla, painted spurge
- Tigridia pavonia, peacock flower
- Pyrostegia venusta, orange trumpet
- Viola hastata, halberd-leaved violet
- Cylindropuntia californica, california cholla
- Thunbergia erecta, bush thunbergia
- Podranea ricasoliana, pink trumpet vine
- Moringa oleifera, horseradishtree
- Neottia ovata, common twayblade
- Xanthosoma robustum
- Stanleya pinnata, prince's plume
- Prumnopitys taxifolia, matai
- Cardamine bulbosa, bulbous cress
- Senna roemeriana, two-leaved senna
- Opuntia macrocentra, purple prickly pear
- Mohavea confertiflora, ghost flower
- Salix bebbiana, bebb's willow
- Lactuca floridana, woodland lettuce
- Thymus vulgaris, common thyme
- Polygala alba, white milkwort
- Stephanomeria diegensis, san diego wirelettuce
- Cephalanthera longifolia, narrow-leaved helleborine
- Carex obnupta, slough sedge
- Cyperus odoratus, fragrant flatsedge
- Hellenia speciosa, crêpe ginger
- Prunus angustifolia, chickasaw plum
- Calochortus weedii, weed's mariposa lily
- Ravenala madagascariensis, traveller's palm
- Erythranthe moschata, muskflower
- Cordia sebestena, scarlet cordia
- Tithonia rotundifolia, mexican sunflower
- Tithonia tubaeformis, tree marigold
- Onobrychis viciifolia, sainfoin
- Festuca rubra, red fescue
- Bidens laevis, bur-marigold
- Sparganium eurycarpum, big bur-reed
- Berchemia scandens, supplejack
- Rhinotropis californica, california milkwort
- Hypericum prolificum, shrubby St. john's-wort
- Smilax smallii, lanceleaf greenbrier
- Platanthera psycodes, lesser purple fringed orchid
- Euphorbia oblongata, eggleaf spurge
- Elymus elymoides, squirreltail
- Lophophora williamsii, peyote
- Penstemon hirsutus, hairy beardtongue
- Cistanthe grandiflora, rock purslane
- Echinocereus pectinatus, spiny hedgehog cactus
- Heliconia latispatha, expanded lobsterclaw
- Erythrina crista-galli, cockspur coral tree
- Viola sagittata, arrowleaf violet
- Silene uniflora, sea campion
- Clitoria mariana, pigeonwings
- Chrysobalanus icaco, cocoplum
- Selaginella bigelovii, bigelow's spike moss
- Drymocallis arguta, tall cinquefoil
- Pinus strobiformis, southwestern white pine
- Oxyria digyna, alpine sorrel
- Euphorbia amygdaloides, wood spurge
- Dicksonia squarrosa, rough tree fern
- Canavalia rosea, beach bean
- Grindelia ciliata, spanish gold
- Tinantia anomala, false dayflower
- Soliva sessilis, common soliva
- Viola macloskeyi, small white violet
- Sporobolus michauxianus, prairie cordgrass
- Chrysogonum virginianum, green-and-gold
- Torenia fournieri, wishbone flower
- Trifolium angustifolium, narrow-leaved clover
- Veronica salicifolia, koromiko
- Viola cucullata, marsh blue violet
- Leonotis leonurus, wild dagga
- Bromelia pinguin, piñuela
- Corydalis flavula, pale corydalis
- Chamaecyparis lawsoniana, port orford-cedar
- Ficinia spiralis, pingao
- Alisma triviale, northern water plantain
- Freycinetia banksii, kiekie
- Viola lanceolata, white bog violet
- Sabal mexicana, mexican palmetto
- Rumex hymenosepalus, canaigre
- Hydrophyllum canadense, broad-leaf waterleaf
- Cardamine flexuosa, wavy bittercress
- Pinus cembroides, mexican pinyon
- Tamarindus indica, tamarind
- Chamaerops humilis, mediterranean fan palm
- Pseudofumaria lutea, yellow corydalis
- Amsinckia tessellata, bristly fiddleneck
- Elaeagnus pungens, thorny olive
- Oxytropis lambertii, stemless point-vetch
- Eriodictyon trichocalyx, hairy yerba santa
- Lamarckia aurea, goldentop grass
- Lupinus sparsiflorus, coulter's lupine
- Artemisia dracunculus, tarragon
- Sorbaria sorbifolia, sorbaria
- Luetkea pectinata, partridgefoot
- Cota tinctoria, golden marguerite
- Chaenactis glabriuscula, common yellow chaenactis
- Sorbus aria, whitebeam
- Ficus religiosa, sacred fig
- Smilax auriculata, earleaf greenbrier
- Potamogeton nodosus, longleaf pondweed
- Cupressus lusitanica, mexican cypress
- Spirodela polyrhiza, greater duckweed
- Prunus pumila, sand cherry
- Lepidium densiflorum, common peppergrass
- Stipa miliacea, smilo grass
- Opuntia macrorhiza, plains prickly pear
- Persicaria hydropiper, waterpepper
- Hydrophyllum appendiculatum, great waterleaf
- Ferocactus histrix
- Peritoma serrulata, Rocky Mountain bee plant
- Salvia clevelandii, cleveland sage
- Lilium canadense, canada lily
- Ranunculus flammula, lesser spearwort
- Triticum aestivum, bread wheat
- Dioscorea communis, black bryony
- Astragalus crassicarpus, ground-plum
- Glyceria striata, fowl mannagrass
- Opuntia fragilis, brittle prickly-pear
- Campanula rapunculus, rampion
- Sanvitalia procumbens, mexican creeping zinnia
- Acalypha hispida, chenille-plant
- Odontonema tubaeforme, firespike
- Sorghum bicolor, sorghum
- Calochortus gunnisonii, gunnison's mariposa lily
- Bougainvillea spectabilis, beautiful bougainvillea
- Helianthus grosseserratus, sawtooth sunflower
- Prumnopitys ferruginea, miro
- Euphorbia paralias, sea spurge
- Justicia brandegeeana, shrimp plant
- Gnaphalium uliginosum, marsh cudweed
- Neottia nidus-avis, bird's-nest orchid
- Galeopsis bifida, bifid hemp-nettle
- Orobanche minor, common broomrape
- Pinaropappus roseus, white rock-lettuce
- Buckiella undulata, waved silk-moss
- Yucca gloriosa, spanish-daggar
- Eriogonum ovalifolium, cushion buckwheat
- Albizia saman, monkey pod tree
- Strelitzia nicolai, giant bird-of-paradise flower
- Rhamnus humboldtiana, coyotillo
- Astelia fragrans, bush flax
- Chelone lyonii, pink turtlehead
- Viola labradorica, american dog violet
- Antennaria plantaginifolia, woman's tobacco
- Epipactis gigantea, stream orchid
- Rubus saxatilis, stone bramble
- Tithonia diversifolia, mexican sunflower
- Claytonia lanceolata, lanceleaf spring beauty
- Paspalum urvillei, vasey grass
- Crataegus marshallii, parsley hawthorn
- Grimmia pulvinata, grey-cushioned grimmia
- Verbena bracteata, prostrate vervain
- Panicum capillare, witch grass
- Forsythia × intermedia, border forsythia
- Pickeringia montana, chaparral pea
- Euphorbia myrsinites, donkey tail
- Carex stipata, awl-fruited sedge
- Peucephyllum schottii, schott's pygmycedar
- Elaeagnus commutata, silverberry
- Agastache urticifolia, nettle-leaf giant hyssop
- Lupinus lepidus, dwarf lupine
- Equisetum scirpoides, dwarf horsetail
- Echinocereus pentalophus, ladyfinger cactus
- Antennaria rosea, pink everlasting
- Salix ×fragilis, hybrid crack willow
- Rumex salicifolius, willow dock
- Bunias orientalis, warty-cabbage
- Lespedeza virginica, slender bush clover
- Lewisia leeana, quill-leaf lewisia
- Viola reichenbachiana, early dog-violet
- Hydrophyllum capitatum, ballhead waterleaf
- Thymus praecox, mother of thyme
- Acalypha ostryifolia, hornbeam copperleaf
- Aphyllon fasciculatum, clustered broomrape
- Dionaea muscipula, venus flytrap
- Cydonia oblonga, quince
- Clinopodium nepeta, lesser calamint
- Brickellia eupatorioides, false boneset
- Schlumbergera truncata, crab cactus
- Verbesina occidentalis, yellow crownbeard
- Psilotum nudum, skeleton fork fern
- Phacelia imbricata, mountain phacelia
- Rhytidiadelphus loreus, lanky moss
- Oplismenus hirtellus, basket grass
- Abies alba, silver fir
- Manihot esculenta, cassava
- Pulmonaria obscura, suffolk lungwort
- Neolloydia conoidea, chihuahuan beehive
- Dalea formosa, feather dalea
- Bituminaria bituminosa, arabian pea
- Veronica polita, grey field-speedwell
- Cirsium muticum, swamp thistle
- Agave palmeri, palmer's agave
- Ligustrum obtusifolium, border privet
- Cyperus papyrus, papyrus sedge
- Phyllanthus tenellus, mascarene island leaf-flower
- Ceanothus herbaceus, inland ceanothus
- Artemisia stelleriana, hoary mugwort
- Dasyochloa pulchella, fluffgrass
- Spergula arvensis, corn spurrey
- Mimosa aculeaticarpa, catclaw mimosa
- Lepidium campestre, field peppergrass
- Pectis papposa, chinchweed
- Asparagus asparagoides, cape smilax
- Isocoma acradenia, alkali goldenbush
- Ferocactus pilosus
- Phormium cookianum, mountain flax
- Ipheion uniflorum, spring starflower
- Calochortus nuttallii, sego lily
- Echinacea angustifolia, narrow-leaved purple coneflower
- Hypericum mutilum, dwarf St. john's wort
- Allium ampeloprasum, wild leek
- Trillium flexipes, drooping trillium
- Potamogeton crispus, crisp-leaved pondweed
- Trifolium depauperatum, cowbag clover
- Zamia integrifolia, coontie
- Phacelia ramosissima, branching phacelia
- Vernonia missurica, missouri ironweed
- Xylorhiza tortifolia, mojave aster
- Abrus precatorius, rosary pea
- Salicornia quinqueflora, beaded samphire
- Campanula poscharskyana, trailing bellflower
- Acacia confusa, taiwan acacia
- Garcinia subelliptica, common garcinia
- Elymus glaucus, blue wild rye
- Erysimum cheiri, wallflower
- Bassia scoparia, summer-cypress
- Lilium humboldtii, humboldt's lily
- Heliotropium europaeum, european heliotrope
- Aronia arbutifolia, red chokeberry
- Phlomis fruticosa, jerusalem sage
- Ericameria ericoides, california goldenbush
- Spinifex sericeus, beach spinifex
- Eruca vesicaria, rocketsalad
- Bougainvillea × buttiana, garden bougainvillea
- Anemone multifida, cutleaf anemone
- Limonium carolinianum, carolina sea lavender
- Triodanis biflora, venus' looking-glass
- Cirsium scariosum, elk thistle
- Hylodesmum nudiflorum, naked-flowered tick-trefoil
- Salsola kali, saltwort
- Salvia mexicana, mexican sage
- Metalasia densa, fynbos blombush
- Barbarea orthoceras, american yellowrocket
- Trillium luteum, yellow wakerobin
- Diplacus × australis, san diego monkeyflower
- Linum pratense, meadow flax
- Cranfillia fluviatilis, kiwakiwa
- Lithospermum ruderale, western stoneseed
- Vitex lucens, puriri
- Penstemon palmeri, palmer's penstemon
- Coreopsis major, greater tickseed
- Salvia roemeriana, cedar sage
- Thelypteris kunthii, stately maiden fern
- Gamochaeta pensylvanica, pennsylvania everlasting
- Ceanothus prostratus, mahala mat
- Kummerowia striata, japanese clover
- Dichanthelium oligosanthes, heller's rosette grass
- Calochortus catalinae, catalina mariposa lily
- Waldsteinia fragarioides, appalachian barren-strawberry
- Nabalus trifoliolatus, three-leaved rattlesnakeroot
- Iris fernaldii, fernald's iris
- Coreopsis verticillata, whorled coreopsis
- Spiraea betulifolia, white spirea
- Castilleja rhexiifolia, rhexia-leaf indian-paintbrush
- Vitex rotundifolia, beach vitex
- Penstemon eatonii, firecracker penstemon
- Carex blanda, eastern woodland sedge
- Condalia hookeri, brasil
- Spiranthes vernalis, spring ladies' tresses
- Acmispon rigidus, shrubby deervetch
- Stylosanthes biflora, pencil flower
- Polytrichum piliferum, bristly haircap moss
- Acacia cyclops, western coastal wattle
- Azolla filiculoides, water fern
- Lilium superbum, turk's-cap lily
- Vicia gigantea, giant vetch
- Chamaebatia foliolosa, mountain misery
- Tanacetum bipinnatum, dune tansy
- Ruellia strepens, smooth ruellia
- Brassica napus, rapeseed
- Dactylorhiza incarnata, early marsh-orchid
- Ceanothus cordulatus, mountain whitethorn
- Mentha × piperita, peppermint
- Aquilegia flavescens, yellow columbine
- Mimulus alatus, sharpwing monkeyflower
- Yucca pallida, pale yucca
- Ptilium crista-castrensis, ostrich-plume moss
- Asplenium bulbiferum, hen and chicks fern
- Venegasia carpesioides, canyon sunflower
- Papaver cambricum, welsh poppy
- Phytolacca icosandra, tropical pokeweed
- Abronia maritima, red sand-verbena
- Leucobryum albidum, white moss
- Palafoxia callosa, small palafox
- Moehringia lateriflora, bluntleaf sandwort
- Artemisia filifolia, sand sagebrush
- Discaria toumatou, matagouri
- Narcissus tazetta, bunch-flowered daffodil
- Viola ocellata, western heart's ease
- Acmispon argophyllus, silver bird's-foot trefoil
- Equisetum pratense, shady horsetail
- Spathoglottis plicata, philippine ground orchid
- Lathyrus hirsutus, hairy vetchling
- Rubus cissoides, bush lawyer
- Dimorphotheca ecklonis, blue-and-white daisybush
- Mallotus paniculatus, turn-in-the-wind
- Solidago odora, sweet goldenrod
- Isothecium stoloniferum, cat's tail moss
- Clerodendrum thomsoniae, bleeding glory-bower
- Hosackia gracilis, witch's-teeth
- Ageratina havanensis, shrubby boneset
- Tetragonia implexicoma, kokihi
- Talinum paniculatum, jewels of opar
- Lycopodiella cernua, nodding clubmoss
- Hypnum imponens, brocade moss
- Pseudognaphalium microcephalum, feltleaf everlasting
- Ranunculus fascicularis, early buttercup
- Torreya californica, california torreya
- Lupinus concinnus, bajada lupine
- Costus woodsonii
- Woodwardia virginica, virginia chainfern
- Rheum rhabarbarum, rhubarb
- Galactites tomentosus, boar thistle
- Achyrachaena mollis, blow wives
- Gagea lutea, yellow star-of-bethlehem
- Trifolium subterraneum, subterranean clover
- Eurhynchium praelongum, common feather-moss
- Conopholis alpina, alpine cancer-root
- Stachys rigida, rough hedgenettle
- Clerodendrum trichotomum, harlequin glorybower
- Penstemon procerus, small-flower beardtongue
- Sansevieria hyacinthoides, mother-in-law's tongue
- Juncus torreyi, torrey's rush
- Cyperus rotundus, purple nutsedge
- Chorizanthe rigida, devil's spineflower
- Araucaria columnaris, cook pine
- Leucocrinum montanum, common starlily
- Rubus arcticus, arctic raspberry
- Delphinium glaucum, sierra larkspur
- Anemone coronaria, poppy anemone
- Baptisia tinctoria, horsefly weed
- Bergerocactus emoryi, golden-spined cereus
- Consolida regalis, forking larkspur
- Streptanthus glandulosus, bristly jewelflower
- Salix scouleriana, scouler's willow
- Selaginella kraussiana, krauss's clubmoss
- Leersia oryzoides, rice cutgrass
- Lupinus nootkatensis, nootka lupine
- Streptanthus tortuosus, mountain jewelflower
- Polygala vulgaris, common milkwort
- Krascheninnikovia lanata, winterfat
- Lathyrus sylvestris, narrow-leaved everlasting-pea
- Echinops sphaerocephalus, glandular globe-thistle
- Bromus sterilis, barren brome
- Hemerocallis × hybrids
- Allium tuberosum, garlic chives
- Rhizomnium glabrescens, fan moss
- Dysphania pumilio, clammy goosefoot
- Pulsatilla alpina, alpine pasqueflower
- Diaperia prolifera, flathead rabbit tobacco
- Paspalum notatum, bahia grass
- Polygala sanguinea, field milkwort
- Chrysopsis mariana, maryland golden-aster
- Veronica stricta, koromiko
- Leptosyne gigantea, giant coreopsis
- Phacelia sericea, silky phacelia
- Platanthera lacera, ragged fringed orchid
- Coreopsis palmata, prairie coreopsis
- Achnatherum hymenoides, indian ricegrass
- Phlebodium aureum, golden polypody
- Senna didymobotrya, african wild cassia
- Cyrtomium falcatum, house holly-fern
- Bazzania trilobata, greater whipwort
- Pseudognaphalium stramineum, cottonbatting plant
- Spiranthes lacera, slender ladies' tresses
- Triantha glutinosa, sticky false asphodel
- Senna occidentalis, coffee senna
- Salvia polystachya
- Plantago patagonica, woolly plantain
- Scirpus sylvaticus, wood club-rush
- Brunnera macrophylla, siberian bugloss
- Pyrrhopappus carolinianus, carolina desert-chicory
- Pongamia pinnata, indian beech tree
- Dianthus chinensis, chinese-pink
- Lilium parvum, sierra tiger lily
- Ferocactus latispinus
- Cleome rutidosperma, purple cleome
- Arachis pintoi, pinto peanut
- Hydrastis canadensis, goldenseal
- Microtis unifolia, common onion-orchid
- Chloris barbata, finger grass
- Helenium puberulum, rosilla
- Salvia elegans, pineapple sage
- Brodiaea terrestris, dwarf brodiaea
- Penstemon speciosus, royal penstemon
- Luzula multiflora, heath wood-rush
- Prosopis laevigata
- Wyethia glabra, smooth mule-ears
- Bolboschoenus maritimus, sea clubrush
- Grindelia camporum, great valley gumweed
- Ariocarpus retusus
- Platanthera clavellata, small green wood orchid
- Cotoneaster pannosus, silverleaf cotoneaster
- Madia gracilis, grassy tarweed
- Heliomeris multiflora, showy goldeneye
- Hydrophyllum tenuipes, pacific waterleaf
- Hypericum fraseri, fraser's marsh St. john's-wort
- Packera anonyma, small's ragwort
- Carex cherokeensis, cherokee sedge
- Zingiber spectabile, beehive ginger
- Boophone disticha, poison-bulb
- Salix lucida, shining willow
- Lilium formosanum, formosa lily
- Nemastylis geminiflora, prairie pleatleaf
- Drosera spatulata, rosy sundew
- Gaillardia pinnatifida, red dome blanketflower
- Polystichum lonchitis, northern holly fern
- Solidago ulmifolia, elm-leaved goldenrod
- Drosera brevifolia, dwarf sundew
- Lilium bulbiferum, fire lily
- Asparagus scandens, climbing asparagus
- Megaskepasma erythrochlamys, brazilian red-cloak
- Herniaria glabra, smooth rupturewort
- Lepidium nitidum, shining pepperweed
- Senna covesii, coues' senna
- Drosera auriculata, tall sundew
- Rosa blanda, smooth rose
- Polypodium scouleri, leathery polypody
- Torenia crustacea, brittle false pimpernel
- Krigia biflora, two-flower dwarf-dandelion
- Prunus campanulata, taiwan cherry
- Salvia texana, texas sage
- Crotalaria spectabilis, showy rattlebox
- Stillingia texana, texas stillingia
- Erigeron modestus, plains fleabane
- Bauhinia × blakeana, hong kong orchid tree
- Celtis sinensis, chinese hackberry
- Tamarix aphylla, athel tamarisk
- Woodsia ilvensis, rusty woodsia
- Malephora crocea, coppery mesemb
- Eriogonum cinereum, coastal wild buckwheat
- Packera paupercula, balsam ragwort
- Phacelia bipinnatifida, purple phacelia
- Solidago multiradiata, northern goldenrod
- Astragalus mollissimus, woolly locoweed
- Layia glandulosa, whitedaisy tidytips
- Nassella leucotricha, texas winter grass
- Deparia acrostichoides, silvery glade fern
- Gaillardia aestivalis, lanceleaf blanketflower
- Filipendula vulgaris, dropwort
- Halosaccion glandiforme, sea sacks
- Gloriosa superba, flame lily
- Muraltia heisteria, prickly purplegorse
- Corallorhiza trifida, yellow coralroot
- Robinia neomexicana, new mexico locust
- Spiranthes magnicamporum, great plains ladies' tresses
- Ficus lyrata, fiddle-leaf fig
- Austrocylindropuntia subulata, eve's needle cactus
- Equisetum variegatum, variegated horsetail
- Platycerium bifurcatum, elkhorn fern
- Lupinus truncatus, collared annual lupine
- Senna hebecarpa, american senna
- Muehlenbeckia axillaris
- Delphinium patens, zigzag larkspur
- Fritillaria pudica, yellow fritillary
- Echinops ritro, southern globe thistle
- Justicia spicigera, mexican honeysuckle
- Camassia leichtlinii, leichtlin's camassia
- Phacelia grandiflora, large-flowered phacelia
- Limonium sinuatum, blue statice
- Mentha suaveolens, apple mint
- Pedicularis bracteosa, towering lousewort
- Ripogonum scandens, supplejack
- Penstemon strictus, Rocky Mountain penstemon
- Selaginella lepidophylla, resurrection plant
- Utricularia gibba, humped bladderwort
- Eriocephalus africanus, cape snow bush
- Dactylorhiza majalis, broad-leaved marsh orchid
- Veronica beccabunga, brooklime
- Plumbago zeylanica, wild leadwort
- Glossodia major, waxlip orchid
- Helianthus hirsutus, stiff-hair sunflower
- Anredera cordifolia, mignonette vine
- Tradescantia subaspera, zigzag spiderwort
- Arnica montana, wolf's bane
- Iris macrosiphon, bowltube iris
- Carex stricta, tussock sedge
- Ceanothus crassifolius, hoaryleaf ceanothus
- Polygala nana, candyroot
- Asterella californica, california asterella
- Drimia maritima, sea squill
- Keckiella antirrhinoides, chaparral beardtongue
- Castilleja tenuiflora, santa catalina indian paintbrush
- Petrea volubilis, queen's wreath
- Amaranthus albus, prostrate pigweed
- Adonidia merrillii, manila palm
- Ficus benghalensis, indian banyan
- Lepidium lasiocarpum, hairypod pepperweed
- Scolymus hispanicus, common golden thistle
- Clusia rosea, autograph tree
- Ficus petiolaris, petiolate fig
- Iva frutescens, marsh elder
- Gymnosperma glutinosum, gumhead
- Sagittaria sagittifolia, arrowhead
- Avenella flexuosa, wavy hair-grass
- Erigeron glacialis, subalpine fleabane
- Trifolium wormskioldii, springbank clover
- Blephilia hirsuta, hairy wood mint
- Hypericum tetrapetalum, fourpetal St. johnswort
- Gladiolus italicus, field gladiolus
- Pulsatilla patens, eastern pasqueflower
- Cryptogramma acrostichoides, american parsley fern
- Sisymbrium loeselii, false london-rocket
- Escobaria missouriensis, missouri foxtail cactus
- Zamia furfuracea, cardboard cycad
- Delphinium cardinale, scarlet larkspur
- Apodasmia similis, jointed rush
- Yucca arkansana, arkansas yucca
- Mecardonia procumbens, yellow-flowered waterhyssop
- Neptunia lutea, yellow puff
- Sphagnum squarrosum, crome sphagnum
- Rhytidiadelphus squarrosus, square gooseneck moss
- Veronica spicata, spiked speedwell
- Petrorhagia dubia, hairypink
- Cladophora columbiana, green pin-cushion alga
- Atrichum undulatum, catherine's moss
- Pluchea camphorata, camphor-weed
- Lupinus arcticus, arctic lupine
- Zinnia grandiflora, Rocky Mountain zinnia
- Blechnum chambersii, rereti
- Myriopteris aurea, golden lipfern
- Artemisia annua, sweet annie
- Eriogonum elongatum, long-stemmed buckwheat
- Salix eriocephala, heart-leaved willow
- Climacium americanum, american tree moss
- Leontopodium nivale
- Atrichum angustatum, lesser smoothcap
- Cortaderia jubata, purple pampas grass
- Stachys floridana, florida hedgenettle
- Floerkea proserpinacoides, false mermaidweed
- Marshallia caespitosa, barbara's-buttons
- Baccharis latifolia
- Abies magnifica, red fir
- Arctotheca prostrata, prostrate capeweed
- Cystopteris protrusa, lowland brittle fern
- Crocus tommasinianus, woodland crocus
- Plantago rhodosperma, redseed plantain
- Tillandsia utriculata, giant airplant
- Dactylorhiza viridis, frog orchid
- Dactylorhiza sambucina, elder-flowered orchid
- Petasites albus, white butterbur
- Aloidendron dichotomum, quiver tree
- Erythrostemon mexicanus, mexican holdback
- Chaenactis stevioides, desert pincushion
- Endocladia muricata, scouring-pad alga
- Lathyrus palustris, marsh pea
- Utricularia cornuta, horned bladderwort
- Phacelia fremontii, frémont's phacelia
- Guilandina bonduc, nickernut
- Rubus leucodermis, whitebark raspberry
- Stephanomeria exigua, small wirelettuce
- Opuntia stricta, shell mound pricklypear
- Hypericum gentianoides, pineweed
- Passiflora vitifolia, perfumed passionflower
- Mammillaria tetrancistra, common fishhook cactus
- Rudbeckia subtomentosa, sweet black-eyed susan
- Madia sativa, coast tarweed
- Photinia × fraseri, red tip photinia
- Prosartes smithii, largeflower fairybells
- Solidago hispida, hairy goldenrod
- Lupinus excubitus, grape soda lupine
- Helianthus mollis, ashy sunflower
- Fritillaria camschatcensis, rice root
- Blechnum penna-marina, little hard fern
- Hordeum pusillum, little barley
- Drymaria cordata, whitesnow
- Micropus californicus, q-tips
- Heliconia bihai, lobster claw heliconia
- Hardenbergia violacea, happy wanderer
- Ceanothus oliganthus, hairy ceanothus
- Fallopia cilinodis, fringed bindweed
- Fagopyrum esculentum, common buckwheat
- Castilleja hispida, harsh indian paintbrush
- Prunus fremontii, desert apricot
- Carex hystericina, bottlebrush sedge
- Goodyera repens, lesser rattlesnake plantain
- Trillium catesbaei, bashful wakerobin
- Cirsium altissimum, tall thistle
- Eupatorium hyssopifolium, hyssopleaf thoroughwort
- Symphyotrichum urophyllum, arrow-leaved aster
- Byrsonima crassifolia, nance
- Pedicularis racemosa, leafy lousewort
- Pittocaulon praecox
- Argemone polyanthemos, thistle poppy
- Helenium flexuosum, southern sneezeweed
- Kigelia africana, sausage tree
- Thermopsis rhombifolia, false lupine
- Rafinesquia californica, california chicory
- Symphyotrichum oblongifolium, aromatic aster
- Milla biflora, mexican star
- Rubus pedatus, five-leaf dwarf bramble
- Eschscholzia caespitosa, tufted poppy
- Euphorbia tithymaloides, devil's backbone
- Nolina parryi, parry's nolina
- Asplenium gracillimum, hen and chickens fern
- Leucolepis acanthoneura, menzies' tree moss
- Wachendorfia paniculata, common butterflylily
- Aleurites moluccanus, candlenut
- Nolina texana, beargrass
- Aster alpinus, alpine aster
- Coreopsis leavenworthii, leavenworth's tickseed
- Corokia cotoneaster, korokio
- Chamaecyparis thyoides, atlantic white cedar
- Carex flava, yellow-green sedge
- Vernonia fasciculata, smooth ironweed
- Chaetopappa ericoides, heath-leaved chaetopappa
- Neottia cordata, heartleaf twayblade
- Hippuris vulgaris, common mare's tail
- Juncus balticus, baltic rush
- Corydalis cava, hollowroot
- Amaranthus viridis, green callaloo amaranth
- Carex gracillima, graceful sedge
- Caulanthus lasiophyllus, california mustard
- Phyllospadix scouleri, scouler's surf grass
- Opuntia decumbens
- Ophrys scolopax, woodcock orchid
- Salix interior, interior sandbar willow
- Acacia baileyana, cootamundra wattle
- Iris tenax, oregon iris
- Sparaxis tricolor, harlequin flower
- Salvia dorrii, dorr's sage
- Acalypha wilkesiana, copperleaf
- Lycoris squamigera, surprise lily
- Eriogonum heracleoides, parsnipflower buckwheat
- Malus sylvestris, european wild apple
- Castilleja wightii, wight's paintbrush
- Castilleja attenuata, valley tassels
- Lobelia anceps, punakuru
- Penstemon davidsonii, davidson's penstemon
- Diplacus brevipes, wide-throated yellow monkeyflower
- Lathyrus tuberosus, tuberous pea
- Platanthera ciliaris, orange-fringed orchid
- Seriphium plumosum, bankrupt bush
- Clerodendrum paniculatum, pagoda-flower
- Smilax lasioneura, midwestern carrionflower
- Calochortus kennedyi, desert mariposa lily
- Cenchrus echinatus, southern sandbur
- Papaver heterophyllum, wind poppy
- Neotinea tridentata, three-toothed orchid
- Vancouveria hexandra, white inside-out flower
- Rhynchospora alba, white beak-sedge
- Pinus patula, jelecote pine
- Astelia nervosa, mountain astelia
- Ficus subpisocarpa, japanese superb fig
- Hoffmannseggia glauca, indian rushpea
- Physaria gordonii, gordon's bladderpod
- Pisum sativum, common pea
- Astragalus canadensis, canadian milkvetch
- Eriogonum deflexum, skeleton weed
- Croton glandulosus, tropic croton
- Anchusa arvensis, small bugloss
- Viola rotundifolia, round-leaved violet
- Eupatorium rotundifolium, round-leaved boneset
- Carex rosea, rosy sedge
- Setaria palmifolia, palmgrass
- Sphagnum magellanicum, magellan's peatmoss
- Galeopsis speciosa, large-flowered hemp-nettle
- Persicaria arifolia, halberd-leaved tearthumb
- Clematis crispa, swamp leatherflower
- Fraxinus angustifolia, narrow-leaved ash
- Phytolacca octandra, inkweed
- Beaucarnea recurvata, elephant's-foot
- Athyrium angustum, northern lady fern
- Ophrys fuciflora, late spider-orchid
- Carex comosa, bristly sedge
- Aira caryophyllea, silver hairgrass
- Chondrilla juncea, rush skeletonweed
- Crepis tectorum, narrow-leaved hawksbeard
- Aquilegia atrata, dark columbine
- Astragalus purshii, woollypod milkvetch
- Scutellaria ovata, heart-leaved skullcap
- Justicia pilosella, gregg's tube tongue
- Briza media, quaking-grass
- Passiflora incarnata × cincinnata, passiflora 'incense'
- Silene nutans, nottingham catchfly
- Platanthera chlorantha, greater butterfly-orchid
- Musa velutina, pink banana
- Taxus cuspidata, japanese yew
- Euphorbia mauritanica, yellow milkbush
- Solidago ptarmicoides, white flat-topped goldenrod
- Jaumea carnosa, marsh jaumea
- Coreopsis basalis, golden wave tickseed
- Lantana achyranthifolia, brushland shrubverbena
- Serapias lingua, tongue orchid
- Castilleja parviflora, mountain indian paintbrush
- Muilla maritima, sea muilla
- Viola primulifolia, primrose-leaved violet
- Stenocereus gummosus, galloping cactus
- Urospermum picroides, false hawkbit
- Antennaria dioica, catsfoot
- Andropogon ternarius, splitbeard bluestem
- Lespedeza bicolor, shrub lespedeza
- Phaseolus coccineus, runner bean
- Taxodium ascendens, pondcypress
- Fritillaria biflora, chocolate lily
- Aechmea bracteata
- Urtica ferox, tree nettle
- Iris sibirica, siberian iris
- Carex scoparia, pointed broom sedge
- Platanthera aquilonis, north wind bog orchid
- Senecio vernalis, eastern groundsel
- Lupinus chamissonis, chamisso bush lupine
- Bradburia pilosa, soft goldaster
- Agoseris glauca, pale agoseris
- Sarcodiotheca gaudichaudii, succulent seaweed
- Penstemon rydbergii, rydberg penstemon
- Pterostegia drymarioides, fairy mist
- Psorothamnus emoryi, emory's indigo bush
- Ambrosia ambrosioides, big bur-sage
- Lindernia dubia, yellowseed false pimpernel
- Fritillaria meleagris, snake's-head fritillary
- Macroptilium lathyroides, phasey bean
- Digitalis grandiflora, yellow foxglove
- Carex echinata, star sedge
- Heterotheca sessiliflora, sessileflower false goldenaster
- Bouteloua hirsuta, hairy grama
- Phyllocladus trichomanoides, celery pine
- Linum grandiflorum, scarlet flax
- Erigeron quercifolius, oakleaf fleabane
- Acrostichum danaeifolium, giant leather fern
- Scilla forbesii, forbes' glory-of-the-snow
- Anemone hortensis, broad-leaved anemone
- Plantago aristata, bracted plantain
- Alisma subcordatum, american water plantain
- Capparis zoharyi
- Heliotropium arboreum, tree heliotrope
- Euthamia caroliniana, slender goldentop
- Orchis anthropophora, man orchid
- Myosotis discolor, changing forget-me-not
- Packera plattensis, prairie groundsel
- Penstemon roseus, pinto beardtongue
- Pneumatopteris pennigera, gully fern
- Euphorbia antisyphilitica, candelilla
- Lobelia angulata, panakeake
- Cirsium neomexicanum, new mexico thistle
- Earina autumnalis, easter orchid
- Linum usitatissimum, common flax
- Plagiomnium insigne, badge moss
- Salicornia depressa, virginia glasswort
- Ambrosia deltoidea, triangle-leaf bursage
- Bouteloua rigidiseta, texas grama
- Ononis spinosa, spiny restharrow
- Sporobolus heterolepis, prairie dropseed
- Glandularia pumila, dwarf verbena
- Prunus fasciculata, desert almond
- Dithyrea californica, california shieldpod
- Erythrina americana, american coral tree
- Sparganium americanum, american bur-reed
- Escobaria tuberculosa, whitecolumn foxtail cactus
- Cardionema ramosissimum, sandcarpet
- Campanula aparinoides, marsh bellflower
- Acacia pycnantha, golden wattle
- Tripolium pannonicum, sea aster
- Conoclinium dissectum, palmleaf thoroughwort
- Opuntia streptacantha
- Erysimum franciscanum, san francisco wallflower
- Liatris cylindracea, cylindrical blazing star
- Viola nuttallii, nuttall's violet
- Asplenium polyodon, mare's tail fern
- Helianthus giganteus, giant sunflower
- Petasites japonicus, giant butterbur
- Luzula campestris, field woodrush
- Rhamnus alnifolia, alderleaf buckthorn
- Cladrastis kentukea, yellow-wood
- Malpighia glabra, wild crapemyrtle
- Claytonia parviflora, streambank springbeauty
- Calochortus macrocarpus, sagebrush mariposa lily
- Mimosa microphylla, littleleaf sensitive-briar
- Ophrys lutea, yellow bee-orchid
- Commelina virginica, virginia dayflower
- Hymenocallis liriosme, spring spiderlily
- Allium stellatum, prairie onion
- Drosera anglica, great sundew
- Pinus longaeva, great basin bristlecone pine
- Pholistoma membranaceum, white fiesta flower
- Erigeron compositus, cut-leaf fleabane
- Verbena canescens, woolly vervain
- Blechnum filiforme, thread fern
- Draba cuneifolia, wedge leaf whitlow-grass
- Tectona grandis, teak
- Berlandiera lyrata, lyre-leaf greeneyes
- Rhapis excelsa, little lady palm
- Scleranthus annuus, german knotgrass
- Radula complanata, flat-leaved scalewort
- Barkleyanthus salicifolius, willow ragwort
- Carpobrotus acinaciformis, sally-my-handsome
- Erythranthe primuloides, primrose monkeyflower
- Scirpus pendulus, nodding bulrush
- Allium acuminatum, hooker's onion
- Dolichandra unguis-cati, catclaw vine
- Typha orientalis, australasian bulrush
- Vachellia cornigera
- Senecio ovatus, wood ragwort
- Anacamptis papilionacea, pink-butterfly orchid
- Alstroemeria aurea, peruvian lily
- Fragaria viridis, green strawberry
- Lathraea squamaria, common toothwort
- Bidens connata, beggar ticks
- Calochortus umbellatus, oakland mariposa lily
- Tagetes lucida, mexican marigold
- Hymenophyllum nephrophyllum, kidney fern
- Opuntia cespitosa, eastern prickly-pear cactus
- Thermopsis californica, california goldenbanner
- Tripleurospermum maritimum, sea mayweed
- Trifolium resupinatum, reversed clover
- Calochortus pulchellus, mount diablo fairy-lantern
- Hyacinthoides × massartiana, hybrid bluebell
- Gliricidia sepium, fence post tree
- Vicia faba, fava bean
- Viola palmata, early blue violet
- Senecio ampullaceus, texas ragwort
- Viscaria vulgaris, sticky catchfly
- Adenostoma sparsifolium, redshanks
- Cardamine pensylvanica, pennsylvania bittercress
- Limnanthes douglasii, douglas' meadowfoam
- Atriplex polycarpa, cattle saltbush
- Pseudotsuga macrocarpa, bigcone douglas-fir
- Oxytropis campestris, yellow oxytropis
- Polygala rugelii, yellow milkwort
- Prunus maritima, beach plum
- Cyperus brevifolius, shortleaf spikesedge
- Nemophila maculata, fivespot
- Rosa spinosissima, burnet rose
- Agrostis gigantea, redtop
- Polygala polygama, racemed milkwort
- Rosa setigera, climbing prairie rose
- Helenium bigelovii, bigelow's sneezeweed
- Rhinanthus alectorolophus, greater yellow rattle
- Akebia quinata, five-leaf akebia
- Robinia hispida, bristly locust
- Maianthemum trifolium, three-leaved false solomon’s seal
- Myosotis laxa, bay forget-me-not
- Ericameria cuneata, wedgeleaf goldenbush
- Salvinia minima, water spangles
- Nemophila parviflora, small-flowered nemophila
- Allium neapolitanum, naples garlic
- Tetraneuris linearifolia, fineleaf fournerved daisy
- Pycnanthemum muticum, clustered mountainmint
- Carlina vulgaris, carline thistle
- Symphyotrichum dumosum, bushy aster
- Echinocereus chloranthus, nylon hedgehog cactus
- Senna marilandica, maryland senna
- Epidendrum radicans, fire-star orchid
- Pediomelum tenuiflorum, slimflower scurfpea
- Packera tampicana, great plains ragwort
- Carex sylvatica, wood sedge
- Bryoandersonia illecebra, spoon-leaved moss
- Mirabilis albida, pale umbrella-wort
- Polygonum paronychia, beach knotweed
- Orchis militaris, military orchid
- Cyperus echinatus, globe flatsedge
- Erigeron acris, bitter fleabane
- Senecio viscosus, sticky groundsel
- Parthenium incanum, mariola
- Sorbus scopulina, greene's mountain ash
- Agrostis capillaris, colonial bent
- Actaea spicata, baneberry
- Yucca torreyi, torrey's yucca
- Dasylirion texanum, texas sotol
- Sorbus sitchensis, sitka mountain-ash
- Lolium multiflorum, italian ryegrass
- Schismus barbatus, common mediterranean grass
- Crescentia alata, winged calabash
- Cladium mariscus, swamp sawgrass
- Ophrys fusca, sombre bee-orchid
- Sporobolus pumilus, saltmeadow cordgrass
- Prunus lusitanica, portuguese laurel
- Asplenium flabellifolium, necklace fern
- Fraxinus quadrangulata, blue ash
- Scilla bifolia, alpine squill
- Cyathea smithii, smith's tree fern
- Rhipsalis baccifera, mistletoe cactus
- Carex pseudocyperus, cyperus sedge
- Eriocaulon aquaticum, common pipewort
- Coleogyne ramosissima, blackbrush
- Hilaria rigida, big galleta
- Cordylanthus rigidus, stiffbranch bird's beak
- Orthotrichum lyellii, lyell's bristle-moss
- Chaenorhinum minus, dwarf snapdragon
- Mazzaella splendens, splendid iridescent seaweed
- Agrostis stolonifera, creeping bent
- Bismarckia nobilis, bismarck palm
- Acacia retinodes, silver wattle
- Echium pininana, giant viper's-bugloss
- Ononis repens, common restharrow
- Prosopis pubescens, screwbean mesquite
- Ephedra trifurca, longleaf ephedra
- Orchis italica, naked-man orchid
- Rumohra adiantiformis, leatherleaf fern
- Delphinium parishii, desert larkspur
- Sparganium erectum, branched bur-reed
- Tridens albescens, white tridens
- Diphasiastrum complanatum, northern ground-cedar
- Sagittaria graminea, grass-leaved arrowhead
- Asphodelus ramosus, branched asphodel
- Yucca aloifolia, aloe yucca
- Jasminum nudiflorum, winter jasmine
- Carex aquatilis, water sedge
- Acaciella angustissima, prairie acacia
- Scrophularia marilandica, late figwort
- Salix arctica, arctic willow
- Bromus carinatus, california brome
- Calliandra californica, baja fairy duster
- Zephyranthes candida, white rain-lily
- Asparagus acutifolius, spiny asparagus
- Crambe maritima, sea kale
- Carex utriculata, northwest territory sedge
- Hypericum maculatum, imperforate st john's-wort
- Dianella ensifolia, cerulean flax-lily
- Scutellaria tuberosa, blue skullcap
- Strophostyles umbellata, pink fuzzybean
- Disphyma australe, New Zealand ice plant
- Carex viridula, little green sedge
- Yucca constricta, buckley's yucca
- Salsola australis, southern russian thistle
- Teucrium cubense, coastal germander
- Equisetum laevigatum, smooth horsetail
- Nolina microcarpa, sacahuista
- Chasmanthe floribunda, african flag
- Callitriche stagnalis, pond water-starwort
- Psoralea pinnata, dally pine
- Albizia lebbeck, lebbeck
- Cupressus arizonica, arizona cypress
- Penstemon whippleanus, whipple's penstemon
- Ochna serrulata, small-leaved plane
- Jasminum mesnyi, primrose jasmine
- Acaena novae-zelandiae, biddy-biddy
- Chloris verticillata, windmill grass
- Verbascum sinuatum, wavyleaf mullein
- Uapaca bojeri, tapia
- Calyptridium monandrum, common pussypaws
- Penstemon rostriflorus, bridges' penstemon
- Trentepohlia aurea
- Calliandra houstoniana
- Sesbania punicea, scarlet sesban
- Earina mucronata, New Zealand bamboo orchid
- Matthiola incana, hoary stock
- Eleocharis obtusa, blunt spikerush
- Carmichaelia australis, nz common broom
- Yucca angustissima, narrowleaf yucca
- Castilleja latifolia, monterey indian paintbrush
- Vallisneria americana, eel-grass
- Lithospermum officinale, common gromwell
- Anthurium schlechtendalii
- Agave striata
- Vicia tetrasperma, smooth tare
- Melicytus alpinus, porcupine shrub
- Calyptridium umbellatum, mount hood pussypaws
- Medicago minima, little bur-clover
- Glandora prostrata
- Sceptridium biternatum, sparse-lobed grapefern
- Thunbergia mysorensis, mysore trumpetvine
- Carex hirta, hairy sedge
- Helleborus niger, christmas-rose
- Ceanothus megacarpus, bigpod ceanothus
- Trifolium fragiferum, strawberry clover
- Thymus pulegioides, large thyme
- Ditaxis lanceolata, lance-leaved ditaxis
- Ranunculus glaberrimus, sagebrush buttercup
- Aconitum lycoctonum, northern wolf's-bane
- Moraea sisyrinchium, barbary-nut
- Grayia spinosa, hopsage
- Stuckenia pectinata, fennel-leaf pondweed
- Lomandra longifolia, spiny-headed mat-rush
- Aspidotis densa, serpentine fern
- Oxybasis glauca, oak-leaved goosefoot
- Sceptridium multifidum, leathery grapefern
- Acmispon wrangelianus, chile trefoil
- Thalictrum occidentale, western meadow-rue
- Aphyllon uniflorum, one-flowered cancer-root
- Trifolium montanum, mountain clover
- Cephalanthera damasonium, white helleborine
- Adonis vernalis, spring adonis
- Afrocarpus falcatus, outeniqua yellowwood
- Bauhinia purpurea, orchid tree
Weakley 2020
edit- Abdra aprica
- Abdra brachycarpa
- Abies fraseri
- Abildgaardia ovata
- Abutilon abutiloides
- Abutilon berlandieri
- Abutilon hirtum
- Abutilon hulseanum
- Abutilon hypoleucum
- Abutilon permolle
- Abutilon theophrasti
- Abutilon trisulcatum
- Abutilon wrightii
- Acacia auriculiformis
- Acacia retinodes
- Acacia saligna
- Acaciella hirta
- Acalypha alopecuroidea
- Acalypha arvensis
- Acalypha australis
- Acalypha chamaedrifolia
- Acalypha deamii
- Acalypha gracilens
- Acalypha herzogiana
- Acalypha monococca
- Acalypha monostachya
- Acalypha ostryifolia
- Acalypha phleoides
- Acalypha poiretii
- Acalypha radians
- Acalypha rhomboidea
- Acalypha setosa
- Achillea gracilis
- Achillea ligustica
- Achillea millefolium
- Achillea ptarmica
- Achillea tomentosa
- Achyranthes aspera
- Achyranthes japonica
- Acicarpha tribuloides
- Acisanthera erecta
- Acleisanthes anisophylla
- Acleisanthes longiflora
- Acleisanthes obtusa
- Acmella pilosa
- Acmella pusilla
- Acmella repens
- Acmispon americanus
- Acmispon helleri
- Acoelorraphe wrightii
- Aconitum napellus
- Aconitum noveboracense
- Aconitum reclinatum
- Aconitum uncinatum
- Acorus americanus
- Acorus calamus
- Acorus gramineus
- Acourtia runcinata
- Acrocomia totai
- Acrostichum aureum
- Acrostichum danaeifolium
- Actaea pachypoda
- Actaea podocarpa
- Actaea racemosa
- Actaea rubifolia
- Actaea rubra
- Actinidia arguta
- Actinidia chinensis
- Actinostachys pennula
- Adelia vaseyi
- Adenanthera pavonina
- Adenocaulon bicolor
- Adiantum aleuticum
- Adiantum anceps
- Adiantum capillus-veneris
- Adiantum caudatum
- Adiantum hispidulum
- Adiantum melanoleucum
- Adiantum pedatum
- Adiantum tenerum
- Adiantum trapeziforme
- Adiantum villosum
- Adiantum viridimontanum
- Adlumia fungosa
- Adonidia merrillii
- Adonis annua
- Adoxa moschatellina
- Aegilops cylindrica
- Aegilops neglecta
- Aegilops triuncialis
- Aegilops ventricosa
- Aegiphila elata
- Aegopodium podagraria
- Aeschynomene americana
- Aeschynomene fluitans
- Aeschynomene histrix
- Aeschynomene indica
- Aeschynomene pratensis
- Aeschynomene rudis
- Aeschynomene virginica
- Aeschynomene viscidula
- Aesculus flava
- Aesculus glabra
- Aesculus hippocastanum
- Aesculus parviflora
- Aesculus pavia
- Aesculus sylvatica
- Aethusa cynapium
- Agalinis aphylla
- Agalinis aspera
- Agalinis auriculata
- Agalinis caddoensis
- Agalinis decemloba
- Agalinis densiflora
- Agalinis divaricata
- Agalinis edwardsiana
- Agalinis fasciculata
- Agalinis filicaulis
- Agalinis filifolia
- Agalinis flexicaulis
- Agalinis gattingeri
- Agalinis georgiana
- Agalinis harperi
- Agalinis heterophylla
- Agalinis homalantha
- Agalinis laxa
- Agalinis linifolia
- Agalinis maritima
- Agalinis navasotensis
- Agalinis neoscotica
- Agalinis obtusifolia
- Agalinis oligophylla
- Agalinis paupercula
- Agalinis plukenetii
- Agalinis pulchella
- Agalinis purpurea
- Agalinis setacea
- Agalinis skinneriana
- Agalinis strictifolia
- Agalinis tenella
- Agalinis tenuifolia
- Agalinis virgata
- Agalinis viridis
- Agarista populifolia
- Agastache foeniculum
- Agastache nepetoides
- Agastache rugosa
- Agastache scrophulariifolia
- Agave americana
- Agave angustifolia
- Agave decipiens
- Agave desmettiana
- Agave lata
- Agave longiflora
- Agave maculosa
- Agave sileri
- Agave sisalana
- Agave univittata
- Agave virginica
- Agave weberi
- Agdestis clematidea
- Ageratina altissima
- Ageratina aromatica
- Ageratina havanensis
- Ageratina jucunda
- Ageratina luciae-brauniae
- Ageratina roanensis
- Ageratum conyzoides
- Ageratum houstonianum
- Ageratum maritimum
- Aglaonema commutatum
- Agoseris glauca
- Agrimonia eupatoria
- Agrimonia gryposepala
- Agrimonia incisa
- Agrimonia microcarpa
- Agrimonia parviflora
- Agrimonia pubescens
- Agrimonia rostellata
- Agrimonia striata
- Agropyron cristatum
- Agrostemma githago
- Agrostis altissima
- Agrostis canina
- Agrostis capillaris
- Agrostis elliottiana
- Agrostis exarata
- Agrostis gigantea
- Agrostis hyemalis
- Agrostis mertensii
- Agrostis perennans
- Agrostis scabra
- Agrostis stolonifera
- Ailanthus altissima
- Aira caryophyllea
- Aira elegans
- Aira praecox
- Aizopsis aizoon
- Ajuga chamaepitys
- Ajuga genevensis
- Ajuga reptans
- Akebia quinata
- Albizia julibrissin
- Albizia kalkora
- Albizia lebbeck
- Albizia lebbekoides
- Albizia procera
- Albuca bracteata
- Alcea rosea
- Alcea rugosa
- Alchemilla monticola
- Aldrovanda vesiculosa
- Alectryon coriaceus
- Aletris aurea
- Aletris bracteata
- Aletris farinosa
- Aletris lutea
- Aletris obovata
- Aleurites moluccanus
- Alhagi maurorum
- Alisma gramineum
- Alisma subcordatum
- Alisma triviale
- Alkekengi officinarum
- Allamanda cathartica
- Allamanda schottii
- Alliaria petiolata
- Allionia choisyi
- Allionia incarnata
- Allium allegheniense
- Allium ampeloprasum
- Allium burdickii
- Allium canadense
- Allium cepa
- Allium cernuum
- Allium cuthbertii
- Allium drummondii
- Allium elmendorfii
- Allium fraseri
- Allium hyacinthoides
- Allium keeverae
- Allium lavendulare
- Allium mutabile
- Allium neapolitanum
- Allium oleraceum
- Allium oxyphilum
- Allium perdulce
- Allium porrum
- Allium rotundum
- Allium runyonii
- Allium sativum
- Allium schoenoprasum
- Allium speculae
- Allium stellatum
- Allium textile
- Allium tricoccum
- Allium tuberosum
- Allium vineale
- Alloberberis trifoliolata
- Alloteropsis cimicina
- Allowissadula holosericea
- Allowissadula lozanii
- Alnus crispa
- Alnus glutinosa
- Alnus maritima
- Alnus rugosa
- Alnus serrulata
- Alocasia macrorrhizos
- Alocasia odora
- Aloe schoenlandii
- Aloe vera
- Alopecurus aequalis
- Alopecurus arundinaceus
- Alopecurus carolinianus
- Alopecurus geniculatus
- Alopecurus magellanicus
- Alopecurus myosuroides
- Alopecurus pratensis
- Alophia drummondii
- Aloysia citrodora
- Aloysia gratissima
- Aloysia macrostachya
- Aloysia wrightii
- Alpinia zerumbet
- Alstonia macrophylla
- Alstonia scholaris
- Alstroemeria pulchella
- Alternanthera brasiliana
- Alternanthera caracasana
- Alternanthera ficoidea
- Alternanthera flavescens
- Alternanthera maritima
- Alternanthera paronychioides
- Alternanthera philoxeroides
- Alternanthera pungens
- Alternanthera sessilis
- Althaea officinalis
- Alvaradoa psilophylla
- Alysicarpus ovalifolius
- Alysicarpus rugosus
- Alysicarpus vaginalis
- Alyssum alyssoides
- Amaranthus acanthochiton
- Amaranthus albus
- Amaranthus arenicola
- Amaranthus australis
- Amaranthus blitoides
- Amaranthus blitum
- Amaranthus cannabinus
- Amaranthus caudatus
- Amaranthus crassipes
- Amaranthus crispus
- Amaranthus cruentus
- Amaranthus deflexus
- Amaranthus dubius
- Amaranthus floridanus
- Amaranthus graecizans
- Amaranthus greggii
- Amaranthus hybridus
- Amaranthus hypochondriacus
- Amaranthus macrocarpus
- Amaranthus muricatus
- Amaranthus palmeri
- Amaranthus polygonoides
- Amaranthus powellii
- Amaranthus pumilus
- Amaranthus retroflexus
- Amaranthus scleropoides
- Amaranthus spinosus
- Amaranthus tamaulipensis
- Amaranthus thunbergii
- Amaranthus tricolor
- Amaranthus tuberculatus
- Amaranthus viridis
- Amaryllis belladonna
- Amauropelta resinifera
- Amauropelta sancta
- Amberboa moschata
- Amblovenatum opulentum
- Amblyolepis setigera
- Ambrosia artemisiifolia
- Ambrosia bidentata
- Ambrosia cheiranthifolia
- Ambrosia confertiflora
- Ambrosia hispida
- Ambrosia psilostachya
- Ambrosia tomentosa
- Ambrosia trifida
- Amelanchier alnifolia
- Amelanchier arborea
- Amelanchier bartramiana
- Amelanchier canadensis
- Amelanchier fernaldii
- Amelanchier gaspensis
- Amelanchier humilis
- Amelanchier interior
- Amelanchier intermedia
- Amelanchier laevis
- Amelanchier nantucketensis
- Amelanchier obovalis
- Amelanchier sanguinea
- Amelanchier spicata
- Amianthium muscitoxicum
- Ammannia auriculata
- Ammannia coccinea
- Ammannia latifolia
- Ammannia robusta
- Ammi majus
- Ammoselinum butleri
- Ammoselinum popei
- Amoreuxia wrightii
- Amorpha canescens
- Amorpha confusa
- Amorpha crenulata
- Amorpha fruticosa
- Amorpha georgiana
- Amorpha glabra
- Amorpha herbacea
- Amorpha laevigata
- Amorpha nana
- Amorpha nitens
- Amorpha ouachitensis
- Amorpha paniculata
- Amorpha roemeriana
- Amorpha schwerinii
- Ampelaster carolinianus
- Ampelopsis aconitifolia
- Ampelopsis cordata
- Ampelopsis glandulosa
- Amphiachyris amoena
- Amphiachyris dracunculoides
- Amphibromus scabrivalvis
- Amphicarpaea bracteata
- Amphicarpum amphicarpon
- Amphicarpum muhlenbergianum
- Amphilophium crucigerum
- Amphitecna latifolia
- Amsinckia lycopsoides
- Amsinckia menziesii
- Amsonia ciliata
- Amsonia glaberrima
- Amsonia hubrichtii
- Amsonia illustris
- Amsonia ludoviciana
- Amsonia repens
- Amsonia rigida
- Amsonia salicifolia
- Amsonia salpignantha
- Amsonia tabernaemontana
- Amsonia texana
- Amyris balsamifera
- Amyris elemifera
- Amyris madrensis
- Amyris texana
- Anagallis arvensis
- Anagallis foemina
- Anagallis monellii
- Ananas comosus
- Anaphalis margaritacea
- Anchistea virginica
- Anchusa azurea
- Anchusa officinalis
- Ancistrocactus scheeri
- Andersonglossum virginianum
- Andira inermis
- Andrographis echioides
- Andromeda polifolia
- Andropogon arctatus
- Andropogon bicornis
- Andropogon brachystachyus
- Andropogon cabanisii
- Andropogon capillipes
- Andropogon cretaceus
- Andropogon cumulicola
- Andropogon dealbatus
- Andropogon floridanus
- Andropogon gerardi
- Andropogon glomeratus
- Andropogon gyrans
- Andropogon hallii
- Andropogon hirsutior
- Andropogon longiberbis
- Andropogon miamiensis
- Andropogon mohrii
- Andropogon perangustatus
- Andropogon subtenuis
- Andropogon tenuispatheus
- Andropogon ternarius
- Andropogon tracyi
- Andropogon virginicus
- Androsace occidentalis
- Androsace septentrionalis
- Androstephium caeruleum
- Anemia adiantifolia
- Anemia mexicana
- Anemia wrightii
- Anemonastrum canadense
- Anemonastrum richardsonii
- Anemone berlandieri
- Anemone blanda
- Anemone caroliniana
- Anemone cylindrica
- Anemone lancifolia
- Anemone minima
- Anemone multifida
- Anemone parviflora
- Anemone quinquefolia
- Anemone virginiana
- Anemopsis californica
- Anethum graveolens
- Angadenia berteroi
- Angelica atropurpurea
- Angelica dentata
- Angelica lucida
- Angelica triquinata
- Angelica venenosa
- Angelonia gardneri
- Anisacanthus quadrifidus
- Aniseia martinicensis
- Anisocampium niponicum
- Annona glabra
- Annona squamosa
- Anoda cristata
- Anoda pentaschista
- Anredera cordifolia
- Anredera vesicaria
- Antennaria alpina
- Antennaria friesiana
- Antennaria howellii
- Antennaria microphylla
- Antennaria monocephala
- Antennaria neglecta
- Antennaria parlinii
- Antennaria parvifolia
- Antennaria plantaginifolia
- Antennaria pulcherrima
- Antennaria rosea
- Antennaria solitaria
- Antennaria virginica
- Anthaenantia rufa
- Anthaenantia texana
- Anthaenantia villosa
- Anthemis arvensis
- Anthemis cotula
- Anthemis secundiramea
- Anthephora hermaphrodita
- Anthoxanthum aristatum
- Anthoxanthum odoratum
- Anthriscus caucalis
- Anthriscus cerefolium
- Anthriscus sylvestris
- Anthurium schlechtendalii
- Anthyllis vulneraria
- Anticlea glauca
- Antigonon leptopus
- Antirrhinum majus
- Apera interrupta
- Apera spica-venti
- Aphanes arvensis
- Aphanes australis
- Aphanostephus pilosus
- Aphanostephus ramosissimus
- Aphanostephus riddellii
- Aphanostephus skirrhobasis
- Aphyllon fasciculatum
- Aphyllon uniflorum
- Apios americana
- Apios priceana
- Apium graveolens
- Aplectrum hyemale
- Apluda mutica
- Apocynum androsaemifolium
- Apocynum cannabinum
- Apocynum medium
- Apocynum sibiricum
- Aptenia cordifolia
- Apteria aphylla
- Aquilegia brevistyla
- Aquilegia canadensis
- Aquilegia vulgaris
- Arabidopsis arenicola
- Arabidopsis lyrata
- Arabidopsis thaliana
- Arabis adpressipilis
- Arabis caucasica
- Arabis georgiana
- Arabis patens
- Arabis pycnocarpa
- Arachis glabrata
- Arachis hypogaea
- Arachniodes simplicior
- Aralia elata
- Aralia hispida
- Aralia nudicaulis
- Aralia racemosa
- Aralia spinosa
- Araucaria heterophylla
- Araujia odorata
- Arbutus xalapensis
- Arceuthobium americanum
- Arceuthobium pusillum
- Arctagrostis latifolia
- Arctanthemum arcticum
- Arctium lappa
- Arctium minus
- Arctium nemorosum
- Arctium tomentosum
- Arctophila fulva
- Arctostaphylos uva-ursi
- Arctotis venusta
- Arctous alpina
- Arctous rubra
- Ardisia crenata
- Ardisia elliptica
- Ardisia escallonioides
- Ardisia japonica
- Arenaria benthamii
- Arenaria humifusa
- Arenaria lanuginosa
- Arenaria leptoclados
- Arenaria serpyllifolia
- Arethusa bulbosa
- Argemone aenea
- Argemone albiflora
- Argemone aurantiaca
- Argemone mexicana
- Argemone polyanthemos
- Argemone sanguinea
- Argentina anserina
- Argentina egedei
- Argyreia nervosa
- Argyrochosma dealbata
- Argyrochosma microphylla
- Argythamnia aphoroides
- Argythamnia blodgettii
- Argythamnia humilis
- Argythamnia mercurialina
- Argythamnia neomexicana
- Argythamnia simulans
- Ariocarpus fissuratus
- Arisaema acuminatum
- Arisaema dracontium
- Arisaema pusillum
- Arisaema quinatum
- Arisaema stewardsonii
- Arisaema triphyllum
- Aristida adscensionis
- Aristida basiramea
- Aristida beyrichiana
- Aristida condensata
- Aristida curtissii
- Aristida desmantha
- Aristida dichotoma
- Aristida divaricata
- Aristida floridana
- Aristida geniculata
- Aristida gyrans
- Aristida lanosa
- Aristida longespica
- Aristida mohrii
- Aristida necopina
- Aristida oligantha
- Aristida palustris
- Aristida patula
- Aristida purpurascens
- Aristida purpurea
- Aristida ramosissima
- Aristida rhizomorpha
- Aristida simpliciflora
- Aristida spiciformis
- Aristida stricta
- Aristida tenuispica
- Aristida ternipes
- Aristida tuberculosa
- Aristida virgata
- Aristolochia clematitis
- Aristolochia elegans
- Aristolochia erecta
- Aristolochia grandiflora
- Aristolochia labiata
- Aristolochia maxima
- Aristolochia pentandra
- Aristolochia ringens
- Armeria maritima
- Armoracia rusticana
- Arnica acaulis
- Arnica angustifolia
- Arnica chamissonis
- Arnica cordifolia
- Arnica griscomii
- Arnica lanceolata
- Arnica lonchophylla
- Arnica mollis
- Arnoglossum album
- Arnoglossum atriplicifolium
- Arnoglossum diversifolium
- Arnoglossum floridanum
- Arnoglossum ovatum
- Arnoglossum plantagineum
- Arnoglossum reniforme
- Arnoglossum sulcatum
- Arnoseris minima
- Aronia arbutifolia
- Aronia melanocarpa
- Aronia prunifolia
- Arrhenatherum elatius
- Artemisia abrotanum
- Artemisia absinthium
- Artemisia annua
- Artemisia biennis
- Artemisia campestris
- Artemisia canadensis
- Artemisia carruthii
- Artemisia caudata
- Artemisia dracunculus
- Artemisia frigida
- Artemisia ludoviciana
- Artemisia mexicana
- Artemisia pontica
- Artemisia stelleriana
- Artemisia tilesii
- Artemisia tridentata
- Artemisia vulgaris
- Arthraxon hispidus
- Arum italicum
- Aruncus dioicus
- Aruncus sylvester
- Arundinaria appalachiana
- Arundinaria gigantea
- Arundinaria tecta
- Arundo donax
- Asarum acuminatum
- Asarum canadense
- Asarum reflexum
- Asclepias amplexicaulis
- Asclepias arenaria
- Asclepias capricornu
- Asclepias cinerea
- Asclepias connivens
- Asclepias curassavica
- Asclepias curtissii
- Asclepias emoryi
- Asclepias engelmanniana
- Asclepias exaltata
- Asclepias feayi
- Asclepias fruticosa
- Asclepias hirtella
- Asclepias humistrata
- Asclepias incarnata
- Asclepias lanceolata
- Asclepias lanuginosa
- Asclepias latifolia
- Asclepias linearis
- Asclepias longifolia
- Asclepias meadii
- Asclepias michauxii
- Asclepias obovata
- Asclepias oenotheroides
- Asclepias ovalifolia
- Asclepias pedicellata
- Asclepias perennis
- Asclepias prostrata
- Asclepias purpurascens
- Asclepias quadrifolia
- Asclepias rubra
- Asclepias speciosa
- Asclepias stenophylla
- Asclepias subverticillata
- Asclepias sullivantii
- Asclepias syriaca
- Asclepias texana
- Asclepias tomentosa
- Asclepias tuberosa
- Asclepias variegata
- Asclepias verticillata
- Asclepias viridiflora
- Asclepias viridis
- Asclepias viridula
- Asemeia grandiflora
- Asimina angustifolia
- Asimina incana
- Asimina manasota
- Asimina obovata
- Asimina parviflora
- Asimina pygmaea
- Asimina reticulata
- Asimina spatulata
- Asimina tetramera
- Asimina triloba
- Askellia elegans
- Askellia pygmaea
- Asparagus aethiopicus
- Asparagus officinalis
- Asparagus setaceus
- Asperugo procumbens
- Aspicarpa hyssopifolia
- Aspidistra elatior
- Aspidogyne querceticola
- Asplenium abscissum
- Asplenium auritum
- Asplenium bradleyi
- Asplenium cristatum
- Asplenium curtissii
- Asplenium dentatum
- Asplenium ebenoides
- Asplenium heterochroum
- Asplenium heteroresiliens
- Asplenium monanthes
- Asplenium montanum
- Asplenium pinnatifidum
- Asplenium platyneuron
- Asplenium plenum
- Asplenium pumilum
- Asplenium quadrivalens
- Asplenium resiliens
- Asplenium rhizophyllum
- Asplenium ruta-muraria
- Asplenium scolopendrium
- Asplenium septentrionale
- Asplenium serratum
- Asplenium trichomanes
- Asplenium trudellii
- Asplenium tutwilerae
- Asplenium verecundum
- Asplenium viride
- Aster alpinus
- Aster tataricus
- Astilbe biternata
- Astilbe crenatiloba
- Astraea lobata
- Astragalus agrestis
- Astragalus alpinus
- Astragalus americanus
- Astragalus australis
- Astragalus bibullatus
- Astragalus brazoensis
- Astragalus canadensis
- Astragalus crassicarpus
- Astragalus distortus
- Astragalus emoryanus
- Astragalus eucosmus
- Astragalus flexuosus
- Astragalus glycyphyllos
- Astragalus laxmannii
- Astragalus leptocarpus
- Astragalus lindheimeri
- Astragalus lotiflorus
- Astragalus michauxii
- Astragalus missouriensis
- Astragalus multiflorus
- Astragalus neglectus
- Astragalus nuttallianus
- Astragalus obcordatus
- Astragalus plattensis
- Astragalus pleianthus
- Astragalus racemosus
- Astragalus reflexus
- Astragalus robbinsii
- Astragalus soxmaniorum
- Astragalus tennesseensis
- Astragalus trichocalyx
- Astragalus villosus
- Astragalus wrightii
- Astranthium ciliatum
- Astranthium integrifolium
- Astrantia major
- Astrolepis integerrima
- Astrolepis sinuata
- Astrophytum asterias
- Asystasia gangetica
- Atalantia buxifolia
- Athyrium americanum
- Athyrium angustum
- Athyrium asplenioides
- Athyrium cyclosorum
- Atocion armeria
- Atrema americanum
- Atriplex acadiensis
- Atriplex acanthocarpa
- Atriplex argentea
- Atriplex canescens
- Atriplex dioica
- Atriplex franktonii
- Atriplex glabriuscula
- Atriplex hortensis
- Atriplex klebergorum
- Atriplex littoralis
- Atriplex matamorensis
- Atriplex mucronata
- Atriplex nudicaulis
- Atriplex patula
- Atriplex pentandra
- Atriplex prostrata
- Atriplex rosea
- Atriplex semibaccata
- Atriplex sibirica
- Atriplex tatarica
- Atropa belladonna
- Aucuba japonica
- Aureolaria calycosa
- Aureolaria flava
- Aureolaria grandiflora
- Aureolaria levigata
- Aureolaria patula
- Aureolaria pectinata
- Aureolaria pedicularia
- Aureolaria virginica
- Aurinia saxatilis
- Avena fatua
- Avena sativa
- Avena strigosa
- Avenella flexuosa
- Avenula pubescens
- Avicennia germinans
- Axonopus compressus
- Axonopus fissifolius
- Axonopus furcatus
- Axyris amaranthoides
- Ayenia euphrasiifolia
- Ayenia limitaris
- Ayenia pilosa
- Azolla caroliniana
- Azolla filiculoides
- Azolla microphylla
- Azolla pinnata
- Baccharis angustifolia
- Baccharis dioica
- Baccharis glomeruliflora
- Baccharis halimifolia
- Baccharis neglecta
- Baccharis salicifolia
- Baccharis salicina
- Baccharis texana
- Bacopa caroliniana
- Bacopa egensis
- Bacopa innominata
- Bacopa monnieri
- Bacopa repens
- Bacopa rotundifolia
- Bahia absinthifolia
- Balduina angustifolia
- Balduina atropurpurea
- Balduina uniflora
- Ballota nigra
- Bambusa bambos
- Bambusa multiplex
- Bambusa vulgaris
- Baptisia aberrans
- Baptisia alba
- Baptisia albescens
- Baptisia arachnifera
- Baptisia australis
- Baptisia bracteata
- Baptisia calycosa
- Baptisia cinerea
- Baptisia hirsuta
- Baptisia lactea
- Baptisia lanceolata
- Baptisia lecontei
- Baptisia leucophaea
- Baptisia megacarpa
- Baptisia minor
- Baptisia nuttalliana
- Baptisia perfoliata
- Baptisia riparia
- Baptisia simplicifolia
- Baptisia sphaerocarpa
- Baptisia tinctoria
- Barbarea orthoceras
- Barbarea stricta
- Barbarea verna
- Barbarea vulgaris
- Barleria cristata
- Barleria lupulina
- Barleria repens
- Bartonia paniculata
- Bartonia verna
- Bartonia virginica
- Bartsia alpina
- Basella alba
- Basiphyllaea corallicola
- Bassia crassifolia
- Bassia hyssopifolia
- Bassia scoparia
- Bastardia viscosa
- Batis maritima
- Bauhinia aculeata
- Bauhinia purpurea
- Bauhinia variegata
- Bauhinia yunnanensis
- Beckmannia syzigachne
- Begonia cucullata
- Begonia hirtella
- Bejaria racemosa
- Bellardia trixago
- Bellardia viscosa
- Bellis perennis
- Beloglottis costaricensis
- Benthamidia florida
- Benthamidia japonica
- Berberis canadensis
- Berberis julianae
- Berberis thunbergii
- Berberis vulgaris
- Berchemia scandens
- Bergia texana
- Berlandiera betonicifolia
- Berlandiera lyrata
- Berlandiera pumila
- Berlandiera subacaulis
- Bernardia myricifolia
- Berteroa incana
- Berula erecta
- Beta vulgaris
- Betula alleghaniensis
- Betula borealis
- Betula cordifolia
- Betula glandulosa
- Betula lenta
- Betula michauxii
- Betula minor
- Betula murrayana
- Betula nana
- Betula nigra
- Betula papyrifera
- Betula pendula
- Betula populifolia
- Betula pubescens
- Betula pumila
- Bidens alba
- Bidens aristosa
- Bidens beckii
- Bidens bidentoides
- Bidens bipinnata
- Bidens cernua
- Bidens comosa
- Bidens connata
- Bidens discoidea
- Bidens eatonii
- Bidens frondosa
- Bidens heterodoxa
- Bidens hyperborea
- Bidens laevis
- Bidens mitis
- Bidens pilosa
- Bidens tenuisecta
- Bidens trichosperma
- Bidens tripartita
- Bidens vulgata
- Bifora radians
- Bifora testiculata
- Bigelowia nudata
- Bigelowia nuttallii
- Bignonia aequinoctialis
- Bignonia capreolata
- Billbergia pyramidalis
- Billieturnera helleri
- Bischofia javanica
- Bistorta vivipara
- Blechnum appendiculatum
- Blephilia ciliata
- Blephilia hirsuta
- Blephilia subnuda
- Bletia florida
- Bletia patula
- Bletia purpurea
- Bletilla striata
- Blitum bonus-henricus
- Blitum capitatum
- Blutaparon vermiculare
- Blysmopsis rufa
- Blyxa aubertii
- Boechera burkii
- Boechera canadensis
- Boechera dentata
- Boechera grahamii
- Boechera laevigata
- Boechera missouriensis
- Boechera perstellata
- Boechera quebecensis
- Boechera retrofracta
- Boechera serotina
- Boechera stricta
- Boehmeria cylindrica
- Boehmeria nivea
- Boerhavia ciliata
- Boerhavia coccinea
- Boerhavia diffusa
- Boerhavia erecta
- Boerhavia triquetra
- Bolboschoenus fluviatilis
- Bolboschoenus glaucus
- Bolboschoenus maritimus
- Bolboschoenus novae-angliae
- Bolboschoenus robustus
- Boltonia apalachicolensis
- Boltonia asteroides
- Boltonia caroliniana
- Boltonia decurrens
- Boltonia diffusa
- Boltonia montana
- Bommeria hispida
- Bonamia grandiflora
- Bonellia macrocarpa
- Bonnaya antipoda
- Bonnaya ciliata
- Bontia daphnoides
- Borago officinalis
- Borrichia arborescens
- Borrichia frutescens
- Bothriochloa barbinodis
- Bothriochloa bladhii
- Bothriochloa exaristata
- Bothriochloa hybrida
- Bothriochloa ischaemum
- Bothriochloa longipaniculata
- Bothriochloa pertusa
- Bothriochloa torreyana
- Botrychium "neolunaria"
- Botrychium angustisegmentum
- Botrychium ascendens
- Botrychium campestre
- Botrychium gallicomontanum
- Botrychium hesperium
- Botrychium lanceolatum
- Botrychium lineare
- Botrychium matricariifolium
- Botrychium michiganense
- Botrychium minganense
- Botrychium mormo
- Botrychium pallidum
- Botrychium pseudopinnatum
- Botrychium simplex
- Botrychium spathulatum
- Botrychium tenebrosum
- Botrypus virginianus
- Bouchea prismatica
- Bouchetia erecta
- Bougainvillea glabra
- Bourreria cassinifolia
- Bourreria succulenta
- Bourreria tomentosa
- Bouteloua aristidoides
- Bouteloua barbata
- Bouteloua curtipendula
- Bouteloua dactyloides
- Bouteloua dimorpha
- Bouteloua eriopoda
- Bouteloua gracilis
- Bouteloua hirsuta
- Bouteloua pectinata
- Bouteloua repens
- Bouteloua rigidiseta
- Bouteloua simplex
- Bouteloua trifida
- Bouteloua uniflora
- Bowlesia incana
- Boykinia aconitifolia
- Brachyelytrum aristosum
- Brachyelytrum erectum
- Brachypodium pinnatum
- Brachypodium sylvaticum
- Bradburia hirtella
- Bradburia pilosa
- Brasenia schreberi
- Brassia caudata
- Brassica juncea
- Brassica napus
- Brassica nigra
- Brassica oleracea
- Brassica rapa
- Braya fernaldii
- Braya glabella
- Braya humilis
- Brazoria arenaria
- Brazoria truncata
- Breynia disticha
- Brickellia cordifolia
- Brickellia cylindracea
- Brickellia dentata
- Brickellia eupatorioides
- Brickellia grandiflora
- Brickellia mosieri
- Brintonia discoidea
- Briza maxima
- Briza media
- Briza minor
- Bromelia pinguin
- Bromus aleutensis
- Bromus arvensis
- Bromus briziformis
- Bromus carinatus
- Bromus catharticus
- Bromus ciliatus
- Bromus commutatus
- Bromus erectus
- Bromus hordeaceus
- Bromus inermis
- Bromus japonicus
- Bromus kalmii
- Bromus lanceolatus
- Bromus latiglumis
- Bromus lepidus
- Bromus madritensis
- Bromus nottowayanus
- Bromus pubescens
- Bromus pumpellianus
- Bromus racemosus
- Bromus ramosus
- Bromus rigidus
- Bromus rubens
- Bromus scoparius
- Bromus secalinus
- Bromus squarrosus
- Bromus sterilis
- Bromus tectorum
- Bromus texensis
- Brosimum alicastrum
- Broussonetia papyrifera
- Browallia americana
- Brugmansia suaveolens
- Bruguiera gymnorhiza
- Brunnera macrophylla
- Brunnichia ovata
- Bryodesma acanthonota
- Bryodesma arenicola
- Bryodesma densum
- Bryodesma peruvianum
- Bryodesma rupestre
- Bryodesma tortipilum
- Bryophyllum daigremontianum
- Bryophyllum delagoense
- Bryophyllum fedtschenkoi
- Bryophyllum gastonis-bonnieri
- Bryophyllum pinnatum
- Buchnera americana
- Buchnera floridana
- Buckleya distichophylla
- Buddleja alternifolia
- Buddleja davidii
- Buddleja indica
- Buddleja lindleyana
- Buddleja madagascariensis
- Buddleja officinalis
- Buddleja sessiliflora
- Buglossoides arvensis
- Bulbophyllum pachyrachis
- Bulbostylis barbata
- Bulbostylis capillaris
- Bulbostylis ciliatifolia
- Bulbostylis coarctata
- Bulbostylis juncoides
- Bulbostylis stenophylla
- Bulbostylis warei
- Bunias erucago
- Bunias orientalis
- Bupleurum lancifolium
- Bupleurum odontites
- Bupleurum rotundifolium
- Bupleurum subovatum
- Bupleurum virgatum
- Burmannia biflora
- Burmannia capitata
- Burmannia flava
- Bursera simaruba
- Butia odorata
- Butomus umbellatus
- Buxus sempervirens
- Byrsonima lucida
- Cabomba caroliniana
- Cabomba palaeformis
- Caesalpinia crista
- Caesalpinia pulcherrima
- Cajanus cajan
- Cajanus scarabaeoides
- Cakile constricta
- Cakile edentula
- Cakile geniculata
- Cakile harperi
- Cakile lacustris
- Cakile lanceolata
- Cakile maritima
- Caladium bicolor
- Calamagrostis arenaria
- Calamagrostis breviligulata
- Calamagrostis cainii
- Calamagrostis canadensis
- Calamagrostis deschampsioides
- Calamagrostis epigejos
- Calamagrostis insperata
- Calamagrostis lapponica
- Calamagrostis montanensis
- Calamagrostis perplexa
- Calamagrostis pickeringii
- Calamagrostis porteri
- Calamagrostis purpurascens
- Calamagrostis stricta
- Calamovilfa arcuata
- Calamovilfa brevipilis
- Calamovilfa curtissii
- Calamovilfa gigantea
- Calamovilfa longifolia
- Calandrinia ciliata
- Calendula officinalis
- Calepina irregularis
- Calibrachoa parviflora
- Calla palustris
- Callaeum septentrionale
- Callerya reticulata
- Calliandra biflora
- Calliandra conferta
- Calliandra haematocephala
- Callicarpa americana
- Callicarpa dichotoma
- Callicarpa japonica
- Calliphysalis carpenteri
- Callirhoe alcaeoides
- Callirhoe bushii
- Callirhoe digitata
- Callirhoe involucrata
- Callirhoe leiocarpa
- Callirhoe papaver
- Callirhoe pedata
- Callirhoe triangulata
- Callisia cordifolia
- Callisia fragrans
- Callisia micrantha
- Callisia repens
- Callistephus chinensis
- Callitriche hermaphroditica
- Callitriche heterophylla
- Callitriche palustris
- Callitriche pedunculosa
- Callitriche peploides
- Callitriche stagnalis
- Callitriche stenoptera
- Callitriche terrestris
- Callitris glaucophylla
- Calluna vulgaris
- Calophyllum antillanum
- Calophyllum inophyllum
- Calopogon barbatus
- Calopogon multiflorus
- Calopogon oklahomensis
- Calopogon pallidus
- Calopogon tuberosus
- Calotis cuneifolia
- Calotropis procera
- Caltha natans
- Caltha palustris
- Calycanthus floridus
- Calycera balsamitifolia
- Calycocarpum lyonii
- Calydorea caelestina
- Calypso bulbosa
- Calyptocarpus vialis
- Camaridium micranthum
- Camassia angusta
- Camassia scilloides
- Camelina microcarpa
- Camelina rumelica
- Camelina sativa
- Camellia japonica
- Camellia sasanqua
- Camellia sinensis
- Camonea umbellata
- Campanula americana
- Campanula aparinoides
- Campanula divaricata
- Campanula floridana
- Campanula glomerata
- Campanula latifolia
- Campanula persicifolia
- Campanula rapunculoides
- Campanula robinsiae
- Campanula rotundifolia
- Campanula trachelium
- Campanula uniflora
- Camphora officinarum
- Campsis radicans
- Campylocentrum pachyrrhizum
- Campyloneurum amphostenon
- Campyloneurum angustifolium
- Campyloneurum brevifolium
- Campyloneurum costatum
- Campyloneurum phyllitidis
- Canadanthus modestus
- Canavalia brasiliensis
- Canavalia ensiformis
- Canavalia rosea
- Canella winterana
- Canna ×generalis
- Canna flaccida
- Canna glauca
- Canna indica
- Cannabis sativa
- Cantinoa americana
- Cantinoa mutabilis
- Caperonia castaneifolia
- Caperonia palustris
- Capnoides sempervirens
- Capraria biflora
- Capraria mexicana
- Capsella bursa-pastoris
- Capsicum annuum
- Capsicum chinense
- Capsicum frutescens
- Caragana arborescens
- Cardamine angustata
- Cardamine bellidifolia
- Cardamine bulbosa
- Cardamine clematitis
- Cardamine concatenata
- Cardamine diphylla
- Cardamine dissecta
- Cardamine douglassii
- Cardamine flagellifera
- Cardamine flexuosa
- Cardamine furcata
- Cardamine hirsuta
- Cardamine impatiens
- Cardamine incisa
- Cardamine longii
- Cardamine maxima
- Cardamine micranthera
- Cardamine nymanii
- Cardamine occulta
- Cardamine parviflora
- Cardamine pensylvanica
- Cardamine pratensis
- Cardamine rotundifolia
- Cardiospermum corindum
- Cardiospermum halicacabum
- Cardiospermum microcarpum
- Carduus acanthoides
- Carduus crispus
- Carduus nutans
- Carduus pycnocephalus
- Carduus tenuiflorus
- Carex abscondita
- Carex acidicola
- Carex acutiformis
- Carex adelostoma
- Carex adusta
- Carex aestivaliformis
- Carex aestivalis
- Carex aggregata
- Carex alata
- Carex albicans
- Carex albolutescens
- Carex albursina
- Carex allegheniensis
- Carex alopecoidea
- Carex amphibola
- Carex amplisquama
- Carex annectens
- Carex appalachica
- Carex aquatilis
- Carex arcta
- Carex arctata
- Carex arctogena
- Carex arenaria
- Carex argyrantha
- Carex arkansana
- Carex assiniboinensis
- Carex atherodes
- Carex atlantica
- Carex atratiformis
- Carex atrofusca
- Carex aurea
- Carex aureolensis
- Carex austrina
- Carex austrocaroliniana
- Carex austrodeflexa
- Carex austrolucorum
- Carex backii
- Carex baileyi
- Carex baltzellii
- Carex barrattii
- Carex basiantha
- Carex bebbii
- Carex bicknellii
- Carex bicolor
- Carex bigelowii
- Carex billingsii
- Carex biltmoreana
- Carex blanda
- Carex breviculmis
- Carex brevior
- Carex bromoides
- Carex brunnea
- Carex brunnescens
- Carex brysonii
- Carex bulbostylis
- Carex bullata
- Carex bushii
- Carex buxbaumii
- Carex calcifugens
- Carex canescens
- Carex capillaris
- Carex careyana
- Carex caroliniana
- Carex caryophyllea
- Carex castanea
- Carex cephaloidea
- Carex cephalophora
- Carex chapmanii
- Carex cherokeensis
- Carex chordorrhiza
- Carex collinsii
- Carex communis
- Carex comosa
- Carex complanata
- Carex concinna
- Carex conjuncta
- Carex conoidea
- Carex copulata
- Carex corrugata
- Carex crawei
- Carex crawfordii
- Carex crebriflora
- Carex crinita
- Carex cristatella
- Carex crus-corvi
- Carex cryptolepis
- Carex cumberlandensis
- Carex cumulata
- Carex dasycarpa
- Carex davisii
- Carex debilis
- Carex decomposita
- Carex deflexa
- Carex deweyana
- Carex diandra
- Carex digitalis
- Carex disjuncta
- Carex disperma
- Carex distans
- Carex disticha
- Carex divisa
- Carex divulsa
- Carex duriuscula
- Carex eburnea
- Carex echinata
- Carex echinodes
- Carex edwardsiana
- Carex elliottii
- Carex emmonsii
- Carex emoryi
- Carex exilis
- Carex extensa
- Carex festucacea
- Carex filifolia
- Carex fissa
- Carex flacca
- Carex flaccosperma
- Carex flava
- Carex flexuosa
- Carex floridana
- Carex foenea
- Carex folliculata
- Carex formosa
- Carex frankii
- Carex fraseriana
- Carex fuliginosa
- Carex fumosimontana
- Carex garberi
- Carex geyeri
- Carex gholsonii
- Carex gigantea
- Carex glacialis
- Carex glareosa
- Carex glaucescens
- Carex glaucodea
- Carex godfreyi
- Carex gracilescens
- Carex gracillima
- Carex granularis
- Carex gravida
- Carex grayi
- Carex grisea
- Carex gynandra
- Carex gynocrates
- Carex hallii
- Carex haydenii
- Carex heleonastes
- Carex hirsutella
- Carex hirta
- Carex hirtifolia
- Carex hitchcockiana
- Carex holostoma
- Carex hookeriana
- Carex hormathodes
- Carex hostiana
- Carex houghtoniana
- Carex howei
- Carex hyalina
- Carex hyalinolepis
- Carex hystericina
- Carex ignota
- Carex impressinervia
- Carex inops
- Carex interior
- Carex intumescens
- Carex jamesii
- Carex joorii
- Carex juniperorum
- Carex kobomugi
- Carex kraliana
- Carex krausei
- Carex lachenalii
- Carex lacustris
- Carex laeviconica
- Carex laevivaginata
- Carex lapponica
- Carex lasiocarpa
- Carex latebracteata
- Carex laxiculmis
- Carex laxiflora
- Carex leavenworthii
- Carex lenticularis
- Carex leptalea
- Carex leptonervia
- Carex limosa
- Carex livida
- Carex loliacea
- Carex lonchocarpa
- Carex longii
- Carex louisianica
- Carex lucorum
- Carex lupuliformis
- Carex lupulina
- Carex lurida
- Carex lutea
- Carex mackenziei
- Carex macloviana
- Carex manhartii
- Carex marina
- Carex maritima
- Carex meadii
- Carex media
- Carex membranacea
- Carex merritt-fernaldii
- Carex mesochorea
- Carex michauxiana
- Carex microdonta
- Carex microglochin
- Carex microrhyncha
- Carex misandroides
- Carex misera
- Carex missouriensis
- Carex mitchelliana
- Carex molesta
- Carex molestiformis
- Carex muehlenbergii
- Carex muricata
- Carex muskingumensis
- Carex myosuroides
- Carex nardina
- Carex nebrascensis
- Carex nigra
- Carex nigromarginata
- Carex normalis
- Carex norvegica
- Carex novae-angliae
- Carex oblita
- Carex obtusata
- Carex oklahomensis
- Carex oligocarpa
- Carex oligosperma
- Carex opaca
- Carex ormostachya
- Carex oronensis
- Carex ouachitana
- Carex ovalis
- Carex oxylepis
- Carex ozarkana
- Carex paeninsulae
- Carex paleacea
- Carex pallescens
- Carex panicea
- Carex parryana
- Carex pauciflora
- Carex paupercula
- Carex peckii
- Carex pedunculata
- Carex pellita
- Carex pendula
- Carex pensylvanica
- Carex perdentata
- Carex picta
- Carex pigra
- Carex planispicata
- Carex planostachys
- Carex plantaginea
- Carex platyphylla
- Carex polymorpha
- Carex praegracilis
- Carex prairea
- Carex prasina
- Carex praticola
- Carex projecta
- Carex pseudocyperus
- Carex pumila
- Carex purpurifera
- Carex radfordii
- Carex radiata
- Carex rariflora
- Carex recta
- Carex reniformis
- Carex retroflexa
- Carex retrorsa
- Carex reznicekii
- Carex richardsonii
- Carex roanensis
- Carex rosea
- Carex rossii
- Carex rostrata
- Carex rotundata
- Carex rufina
- Carex rugosperma
- Carex rupestris
- Carex ruthii
- Carex salina
- Carex sangamonensis
- Carex sartwellii
- Carex saxatilis
- Carex saximontana
- Carex scabrata
- Carex schweinitzii
- Carex scirpoidea
- Carex scoparia
- Carex seorsa
- Carex shinnersii
- Carex shortiana
- Carex siccata
- Carex silicea
- Carex simpliciuscula
- Carex socialis
- Carex sparganioides
- Carex spicata
- Carex sprengelii
- Carex squarrosa
- Carex sterilis
- Carex stipata
- Carex straminea
- Carex striata
- Carex striatula
- Carex stricta
- Carex styloflexa
- Carex stylosa
- Carex suberecta
- Carex subspathacea
- Carex superata
- Carex supina
- Carex swanii
- Carex sychnocephala
- Carex sylvatica
- Carex tenax
- Carex tenera
- Carex tenuiflora
- Carex tetanica
- Carex tetrastachya
- Carex texensis
- Carex thornei
- Carex timida
- Carex tincta
- Carex tonsa
- Carex torreyi
- Carex torta
- Carex triangularis
- Carex tribuloides
- Carex trichocarpa
- Carex trisperma
- Carex tuckermanii
- Carex turgescens
- Carex typhina
- Carex umbellata
- Carex ursina
- Carex utriculata
- Carex vacillans
- Carex vaginata
- Carex venusta
- Carex verrucosa
- Carex vesicaria
- Carex vestita
- Carex vexans
- Carex virescens
- Carex viridistellata
- Carex viridula
- Carex vulpinoidea
- Carex wahponahkikensis
- Carex wiegandii
- Carex willdenowii
- Carex williamsii
- Carex woodii
- Carex xerantica
- Carica papaya
- Carissa macrocarpa
- Carlowrightia parviflora
- Carlowrightia texana
- Carphephorus bellidifolius
- Carphephorus corymbosus
- Carphephorus pseudoliatris
- Carphephorus tomentosus
- Carpinus caroliniana
- Carpobrotus edulis
- Carthamus creticus
- Carthamus lanatus
- Carthamus tinctorius
- Cartrema americanum
- Cartrema floridanum
- Carum carvi
- Carya aquatica
- Carya carolinae-septentrionalis
- Carya cordiformis
- Carya floridana
- Carya glabra
- Carya illinoinensis
- Carya laciniosa
- Carya myristiciformis
- Carya ovalis
- Carya ovata
- Carya pallida
- Carya texana
- Carya tomentosa
- Caryota mitis
- Caryota urens
- Casasia clusiifolia
- Casearia nitida
- Cassia afrofistula
- Cassia fistula
- Cassia grandis
- Cassia javanica
- Cassiope tetragona
- Cassytha filiformis
- Castanea alabamensis
- Castanea crenata
- Castanea dentata
- Castanea mollissima
- Castanea ozarkensis
- Castanea pumila
- Castanea sativa
- Castela texana
- Castilleja citrina
- Castilleja coccinea
- Castilleja indivisa
- Castilleja kraliana
- Castilleja lindheimeri
- Castilleja miniata
- Castilleja purpurea
- Castilleja raupii
- Castilleja septentrionalis
- Castilleja sessiliflora
- Casuarina cunninghamiana
- Casuarina equisetifolia
- Casuarina glauca
- Catabrosa aquatica
- Catalpa bignonioides
- Catalpa ovata
- Catalpa speciosa
- Catesbaea parviflora
- Catharanthus roseus
- Catopsis berteroniana
- Catopsis floribunda
- Catopsis nutans
- Caulophyllum giganteum
- Caulophyllum thalictroides
- Causonis japonica
- Cayaponia americana
- Cayaponia quinqueloba
- Ceanothus americanus
- Ceanothus herbaceus
- Ceanothus microphyllus
- Ceanothus sanguineus
- Cecropia pachystachya
- Cecropia palmata
- Cedrus deodara
- Celastrus orbiculatus
- Celastrus paniculatus
- Celastrus scandens
- Celosia argentea
- Celosia nitida
- Celosia palmeri
- Celosia trigyna
- Celtis iguanaea
- Celtis laevigata
- Celtis lindheimeri
- Celtis occidentalis
- Celtis pallida
- Celtis reticulata
- Celtis sinensis
- Celtis smallii
- Celtis tenuifolia
- Cenchrus americanus
- Cenchrus biflorus
- Cenchrus brownii
- Cenchrus ciliaris
- Cenchrus echinatus
- Cenchrus gracillimus
- Cenchrus incertus
- Cenchrus longisetus
- Cenchrus longispinus
- Cenchrus myosuroides
- Cenchrus orientalis
- Cenchrus pedicellatus
- Cenchrus purpurascens
- Cenchrus purpureus
- Cenchrus setaceus
- Cenchrus setiger
- Cenchrus tribuloides
- Centaurea benedicta
- Centaurea calcitrapa
- Centaurea diffusa
- Centaurea jacea
- Centaurea melitensis
- Centaurea moncktonii
- Centaurea montana
- Centaurea nigra
- Centaurea nigrescens
- Centaurea phrygia
- Centaurea scabiosa
- Centaurea solstitialis
- Centaurea stoebe
- Centaurium erythraea
- Centaurium pulchellum
- Centaurium tenuiflorum
- Centella asiatica
- Centipeda minima
- Centratherum punctatum
- Centrosema arenicola
- Centrosema sagittatum
- Centrosema virginianum
- Centunculus minimus
- Centunculus pumilus
- Cephalanthus occidentalis
- Cephalanthus salicifolius
- Cephalotaxus harringtonia
- Cerastium alpinum
- Cerastium arcticum
- Cerastium arvense
- Cerastium beeringianum
- Cerastium brachypetalum
- Cerastium brachypodum
- Cerastium cerastioides
- Cerastium diffusum
- Cerastium dubium
- Cerastium fontanum
- Cerastium glomeratum
- Cerastium nutans
- Cerastium parvum
- Cerastium pumilum
- Cerastium semidecandrum
- Cerastium strictum
- Cerastium terrae-novae
- Cerastium tomentosum
- Cerastium velutinum
- Ceratiola ericoides
- Ceratocephala testiculata
- Ceratophyllum australe
- Ceratophyllum demersum
- Ceratophyllum echinatum
- Ceratopteris pteridoides
- Ceratopteris richardii
- Ceratopteris thalictroides
- Ceratotheca triloba
- Cercidiphyllum japonicum
- Cercis canadensis
- Cercis chinensis
- Cercis texensis
- Cereus repandus
- Cestrum diurnum
- Cestrum nocturnum
- Cestrum parqui
- Cevallia sinuata
- Chaenactis glabriuscula
- Chaenomeles japonica
- Chaenomeles speciosa
- Chaenorhinum minus
- Chaerophyllum bulbosum
- Chaerophyllum procumbens
- Chaerophyllum tainturieri
- Chaerophyllum temulem
- Chaetopappa asteroides
- Chaetopappa bellidifolia
- Chaetopappa bellioides
- Chaetopappa imberbis
- Chaiturus marrubiastrum
- Chamaecrista calycioides
- Chamaecrista chamaecristoides
- Chamaecrista deeringiana
- Chamaecrista fasciculata
- Chamaecrista flexuosa
- Chamaecrista greggii
- Chamaecrista keyensis
- Chamaecrista nictitans
- Chamaecrista pilosa
- Chamaecrista rotundifolia
- Chamaecrista serpens
- Chamaecyparis thyoides
- Chamaedaphne calyculata
- Chamaedorea seifrizii
- Chamaelirium luteum
- Chamaemelum nobile
- Chamaenerion angustifolium
- Chamaenerion danielsii
- Chamaenerion latifolium
- Chamaepericlymenum canadense
- Chamaepericlymenum suecicum
- Chamaerhodos erecta
- Chamaesaracha arida
- Chamaesaracha edwardsiana
- Chamaesaracha sordida
- Chamaesaracha texensis
- Chamaesaracha villosa
- Chapmannia floridana
- Chaptalia albicans
- Chaptalia texana
- Chaptalia tomentosa
- Chasmanthium latifolium
- Chasmanthium laxum
- Chasmanthium nitidum
- Chasmanthium ornithorhynchum
- Chasmanthium sessiliflorum
- Cheiroglossa palmata
- Chelidonium majus
- Chelone cuthbertii
- Chelone glabra
- Chelone lyonii
- Chelone obliqua
- Chenopodiastrum murale
- Chenopodiastrum simplex
- Chenopodium album
- Chenopodium atrovirens
- Chenopodium berlandieri
- Chenopodium desiccatum
- Chenopodium ficifolium
- Chenopodium foggii
- Chenopodium fremontii
- Chenopodium incanum
- Chenopodium leptophyllum
- Chenopodium opulifolium
- Chenopodium pallescens
- Chenopodium pratericola
- Chenopodium standleyanum
- Chenopodium strictum
- Chenopodium vulvaria
- Cherleria biflora
- Cherleria marcescens
- Chevreulia acuminata
- Chevreulia sarmentosa
- Chilopsis linearis
- Chimaphila maculata
- Chimaphila umbellata
- Chimonanthus praecox
- Chiococca alba
- Chiococca parvifolia
- Chionanthus pygmaeus
- Chionanthus virginicus
- Chionodoxa forbesii
- Chionodoxa luciliae
- Chloracantha spinosa
- Chloris andropogonoides
- Chloris barbata
- Chloris cucullata
- Chloris divaricata
- Chloris gayana
- Chloris pectinata
- Chloris radiata
- Chloris subdolichostachya
- Chloris texensis
- Chloris truncata
- Chloris ventricosa
- Chloris verticillata
- Chloris virgata
- Chlorophytum comosum
- Chondrilla juncea
- Chorispora tenella
- Christella augescens
- Christella dentata
- Christella grandis
- Christella hispidula
- Christella ovata
- Christella patens
- Chromolaena frustrata
- Chromolaena ivifolia
- Chromolaena odorata
- Chrysanthemum indicum
- Chrysobalanus icaco
- Chrysogonum australe
- Chrysogonum virginianum
- Chrysoma pauciflosculosa
- Chrysophyllum cainito
- Chrysophyllum oliviforme
- Chrysopogon fulvus
- Chrysopogon pauciflorus
- Chrysopogon zizanioides
- Chrysopsis cruiseana
- Chrysopsis delaneyi
- Chrysopsis floridana
- Chrysopsis godfreyi
- Chrysopsis gossypina
- Chrysopsis highlandsensis
- Chrysopsis hyssopifolia
- Chrysopsis lanuginosa
- Chrysopsis latisquamea
- Chrysopsis linearifolia
- Chrysopsis mariana
- Chrysopsis scabrella
- Chrysopsis subulata
- Chrysopsis trichophylla
- Chrysosplenium americanum
- Chrysosplenium iowense
- Chrysosplenium tetrandrum
- Chthamalia pubiflora
- Cicer arietinum
- Cichorium endivia
- Cichorium intybus
- Cicuta bulbifera
- Cicuta maculata
- Cicuta mexicana
- Cicuta occidentalis
- Cicuta victorinii
- Cienfuegosia drummondii
- Cienfuegosia yucatanensis
- Cinna arundinacea
- Cinna latifolia
- Cinnamomum burmannii
- Cinnamomum iners
- Circaea alpina
- Circaea canadensis
- Circaea sterilis
- Cirsium altissimum
- Cirsium arvense
- Cirsium carolinianum
- Cirsium discolor
- Cirsium engelmannii
- Cirsium flodmanii
- Cirsium hillii
- Cirsium horridulum
- Cirsium lecontei
- Cirsium muticum
- Cirsium nuttallii
- Cirsium ochrocentrum
- Cirsium palustre
- Cirsium pitcheri
- Cirsium pumilum
- Cirsium repandum
- Cirsium texanum
- Cirsium undulatum
- Cirsium virginianum
- Cirsium vulgare
- Cissampelos pareira
- Cissus trifoliata
- Cissus verticillata
- Citharexylum berlandieri
- Citharexylum brachyanthum
- Citharexylum spinosum
- Citrullus amarus
- Citrullus colocynthis
- Citrullus lanatus
- Citrus ×jambhiri
- Citrus ×microcarpa
- Citrus ×paradisi
- Citrus aurantiifolia
- Citrus aurantium
- Citrus japonica
- Citrus limon
- Citrus medica
- Citrus reticulata
- Citrus sinensis
- Citrus trifoliata
- Cladanthus mixtus
- Cladium jamaicense
- Cladium mariscoides
- Cladrastis kentukea
- Clappia suaedifolia
- Claytonia arkansana
- Claytonia caroliniana
- Claytonia perfoliata
- Claytonia rubra
- Claytonia virginica
- Claytosmunda claytoniana
- Cleistesiopsis bifaria
- Cleistesiopsis divaricata
- Cleistesiopsis oricamporum
- Clematis addisonii
- Clematis albicoma
- Clematis baldwinii
- Clematis carrizoensis
- Clematis catesbyana
- Clematis coactilis
- Clematis crispa
- Clematis drummondii
- Clematis fremontii
- Clematis glaucophylla
- Clematis morefieldii
- Clematis occidentalis
- Clematis ochroleuca
- Clematis pitcheri
- Clematis reticulata
- Clematis socialis
- Clematis terniflora
- Clematis texensis
- Clematis versicolor
- Clematis vinacea
- Clematis viorna
- Clematis virginiana
- Clematis vitalba
- Clematis viticaulis
- Clematis viticella
- Cleome monophylla
- Cleome ornithopodioides
- Cleome rutidosperma
- Cleomella angustifolia
- Cleoserrata serrata
- Cleoserrata speciosa
- Clerodendrum bungei
- Clerodendrum chinense
- Clerodendrum indicum
- Clerodendrum japonicum
- Clerodendrum kaempferi
- Clerodendrum quadriloculare
- Clerodendrum speciosissimum
- Clerodendrum trichotomum
- Clerodendrum umbellatum
- Clethra acuminata
- Clethra alnifolia
- Clethra tomentosa
- Cliftonia monophylla
- Clinopodium acinos
- Clinopodium arkansanum
- Clinopodium ascendens
- Clinopodium ashei
- Clinopodium brownei
- Clinopodium calamintha
- Clinopodium coccineum
- Clinopodium dentatum
- Clinopodium georgianum
- Clinopodium glabellum
- Clinopodium gracile
- Clinopodium macrocalyx
- Clinopodium vulgare
- Clintonia borealis
- Clintonia umbellulata
- Clitoria fragrans
- Clitoria mariana
- Clitoria ternatea
- Clusia rosea
- Cnidoscolus stimulosus
- Cnidoscolus texanus
- Coccinia grandis
- Coccocypselum hirsutum
- Coccoloba diversifolia
- Coccoloba uvifera
- Coccothrinax argentata
- Cocculus carolinus
- Cocculus diversifolius
- Cochlearia groenlandica
- Cochlearia tridactylites
- Cocos nucifera
- Coincya monensis
- Coix lacryma-jobi
- Colchicum autumnale
- Coleataenia abscissa
- Coleataenia anceps
- Coleataenia longifolia
- Coleataenia rigidula
- Coleataenia stipitata
- Coleataenia tenera
- Collinsia parviflora
- Collinsia verna
- Collinsia violacea
- Collinsonia anisata
- Collinsonia canadensis
- Collinsonia punctata
- Collinsonia tuberosa
- Collinsonia verticillata
- Collomia linearis
- Colocasia esculenta
- Colubrina arborescens
- Colubrina asiatica
- Colubrina cubensis
- Colubrina elliptica
- Colubrina greggii
- Colubrina texensis
- Colutea arborescens
- Comandra umbellata
- Comarum palustre
- Comastoma tenellum
- Commelina benghalensis
- Commelina caroliniana
- Commelina communis
- Commelina diffusa
- Commelina erecta
- Commelina forskaolii
- Commelina gambiae
- Commelina gigas
- Commelina virginica
- Commicarpus scandens
- Comptonia peregrina
- Condalia hookeri
- Condalia spathulata
- Condea floribunda
- Condea verticillata
- Conioselinum chinense
- Conium maculatum
- Conocarpus erectus
- Conoclinium betonicifolium
- Conoclinium coelestinum
- Conoclinium dichotomum
- Conoclinium dissectum
- Conopholis americana
- Conradina brevifolia
- Conradina canescens
- Conradina cygniflora
- Conradina etonia
- Conradina glabra
- Conradina grandiflora
- Conradina verticillata
- Conringia orientalis
- Consolea corallicola
- Convallaria majalis
- Convallaria pseudomajalis
- Convolvulus americanus
- Convolvulus arvensis
- Convolvulus carrii
- Convolvulus catesbeianus
- Convolvulus equitans
- Convolvulus fraterniflorus
- Convolvulus limnophilus
- Convolvulus macounii
- Convolvulus sepium
- Convolvulus sericatus
- Convolvulus soldanella
- Convolvulus spithamaeus
- Convolvulus stans
- Coptidium lapponicum
- Coptidium pallasii
- Coptidium spitzbergensis
- Coptis trifolia
- Corallorhiza bentleyi
- Corallorhiza maculata
- Corallorhiza odontorhiza
- Corallorhiza striata
- Corallorhiza trifida
- Corallorhiza wisteriana
- Corchorus aestuans
- Corchorus hirsutus
- Corchorus hirtus
- Corchorus siliquosus
- Cordia boissieri
- Cordia dichotoma
- Cordia sebestena
- Corema conradii
- Coreopsis aristulata
- Coreopsis auriculata
- Coreopsis bakeri
- Coreopsis basalis
- Coreopsis delphiniifolia
- Coreopsis falcata
- Coreopsis floridana
- Coreopsis gladiata
- Coreopsis grandiflora
- Coreopsis integrifolia
- Coreopsis intermedia
- Coreopsis lanceolata
- Coreopsis latifolia
- Coreopsis leavenworthii
- Coreopsis linifolia
- Coreopsis major
- Coreopsis nudata
- Coreopsis nuecensis
- Coreopsis nuecensoides
- Coreopsis palmata
- Coreopsis palustris
- Coreopsis pubescens
- Coreopsis pulchra
- Coreopsis rosea
- Coreopsis tinctoria
- Coreopsis tripteris
- Coreopsis verticillata
- Coriandrum sativum
- Corispermum americanum
- Corispermum hookeri
- Corispermum pallasii
- Corispermum villosum
- Cornus mas
- Cornutia grandifolia
- Corrigiola litoralis
- Cortaderia jubata
- Cortaderia selloana
- Corydalis aurea
- Corydalis crystallina
- Corydalis curvisiliqua
- Corydalis flavula
- Corydalis halei
- Corydalis incisa
- Corydalis micrantha
- Corydalis orthopoda
- Corylus americana
- Corylus cornuta
- Corymbia torelliana
- Corynandra viscosa
- Corynephorus canescens
- Coryphantha macromeris
- Coryphantha nickelsiae
- Coryphantha sulcata
- Coryphopteris simulata
- Cosmos bipinnatus
- Cosmos caudatus
- Cosmos parviflorus
- Cosmos sulphureus
- Costus pulverulentus
- Cota tinctoria
- Cotinus coggygria
- Cotinus obovata
- Cotoneaster divaricatus
- Cotula australis
- Cotula coronopifolia
- Coursetia axillaris
- Cranichis muscosa
- Crassocephalum crepidioides
- Crassula aquatica
- Crassula drummondii
- Crassula longipes
- Crataegus ×canescens
- Crataegus aemula
- Crataegus aestivalis
- Crataegus alabamensis
- Crataegus alleghaniensis
- Crataegus aprica
- Crataegus ashei
- Crataegus beata
- Crataegus berberifolia
- Crataegus bicknellii
- Crataegus brachyacantha
- Crataegus brainerdii
- Crataegus brazoria
- Crataegus brittonii
- Crataegus buckleyi
- Crataegus calpodendron
- Crataegus chrysocarpa
- Crataegus coccinea
- Crataegus coccinioides
- Crataegus collina
- Crataegus compacta
- Crataegus craytonii
- Crataegus crus-galli
- Crataegus delawarensis
- Crataegus dispar
- Crataegus disperma
- Crataegus dodgei
- Crataegus faxonii
- Crataegus fecunda
- Crataegus flabellata
- Crataegus flava
- Crataegus florens
- Crataegus florifera
- Crataegus forbesae
- Crataegus fretalis
- Crataegus furtiva
- Crataegus gattingeri
- Crataegus handyae
- Crataegus harbisonii
- Crataegus holmesiana
- Crataegus ignava
- Crataegus incilis
- Crataegus intricata
- Crataegus iracunda
- Crataegus lacrimata
- Crataegus lancei
- Crataegus lassa
- Crataegus lepida
- Crataegus levis
- Crataegus lucorum
- Crataegus macracantha
- Crataegus macrosperma
- Crataegus margarettiae
- Crataegus marshallii
- Crataegus mendosa
- Crataegus mohrii
- Crataegus mollis
- Crataegus monogyna
- Crataegus munda
- Crataegus nananixonii
- Crataegus opaca
- Crataegus oreophila
- Crataegus ouachitensis
- Crataegus pallens
- Crataegus palmeri
- Crataegus pennsylvanica
- Crataegus persimilis
- Crataegus pexa
- Crataegus phaenopyrum
- Crataegus pruinosa
- Crataegus pulcherrima
- Crataegus punctata
- Crataegus quaesita
- Crataegus ravenelii
- Crataegus rufula
- Crataegus sargentii
- Crataegus scabrida
- Crataegus schizophylla
- Crataegus schuettei
- Crataegus senta
- Crataegus sororia
- Crataegus spathulata
- Crataegus spes-aestatum
- Crataegus succulenta
- Crataegus teres
- Crataegus triflora
- Crataegus uniflora
- Crataegus vailiae
- Crataegus venusta
- Crataegus viridis
- Crataegus visenda
- Crepidomanes intricatum
- Crepis biennis
- Crepis capillaris
- Crepis foetida
- Crepis nicaeensis
- Crepis pulchra
- Crepis setosa
- Crepis tectorum
- Crepis vesicaria
- Crescentia cujete
- Cressa nudicaulis
- Cressa truxillensis
- Crinum americanum
- Crinum asiaticum
- Crinum bulbispermum
- Crinum zeylanicum
- Crocanthemum arenicola
- Crocanthemum bicknellii
- Crocanthemum canadense
- Crocanthemum carolinianum
- Crocanthemum corymbosum
- Crocanthemum dumosum
- Crocanthemum georgianum
- Crocanthemum nashii
- Crocanthemum propinquum
- Crocanthemum rosmarinifolium
- Crocosmia crocosmiiflora
- Crocus flavus
- Crocus tommasinianus
- Crocus vernus
- Croomia pauciflora
- Croptilon divaricatum
- Croptilon hookerianum
- Croptilon rigidifolium
- Crossopetalum ilicifolium
- Crossopetalum rhacoma
- Crotalaria alata
- Crotalaria avonensis
- Crotalaria biflora
- Crotalaria incana
- Crotalaria juncea
- Crotalaria lanceolata
- Crotalaria linaria
- Crotalaria maritima
- Crotalaria ochroleuca
- Crotalaria pallida
- Crotalaria pumila
- Crotalaria purshii
- Crotalaria retusa
- Crotalaria rotundifolia
- Crotalaria sagittalis
- Crotalaria spectabilis
- Crotalaria trichotoma
- Crotalaria verrucosa
- Crotalaria virgulata
- Croton alabamensis
- Croton argyranthemus
- Croton berlandieri
- Croton bonplandianus
- Croton capitatus
- Croton ciliatoglandulifer
- Croton cortesianus
- Croton coryi
- Croton dioicus
- Croton discolor
- Croton elliottii
- Croton floridanus
- Croton fruticulosus
- Croton glandulosus
- Croton heptalon
- Croton humilis
- Croton incanus
- Croton leucophyllus
- Croton lindheimeri
- Croton lindheimerianus
- Croton linearis
- Croton michauxii
- Croton monanthogynus
- Croton parksii
- Croton pottsii
- Croton punctatus
- Croton soliman
- Croton texensis
- Croton trinitatis
- Croton willdenowii
- Crupina vulgaris
- Crypsis alopecuroides
- Crypsis schoenoides
- Cryptantha mexicana
- Cryptantha texana
- Cryptocoryne beckettii
- Cryptocoryne walkeri
- Cryptogramma acrostichoides
- Cryptogramma stelleri
- Cryptomeria japonica
- Cryptostegia grandiflora
- Cryptostegia madagascariensis
- Cryptotaenia canadensis
- Ctenitis sloanei
- Ctenitis submarginalis
- Ctenium aromaticum
- Ctenium floridanum
- Cubelium concolor
- Cucumis anguria
- Cucumis melo
- Cucumis metuliferus
- Cucumis sativus
- Cucurbita foetidissima
- Cucurbita maxima
- Cucurbita melopepo
- Cucurbita moschata
- Cucurbita okeechobeensis
- Cucurbita pepo
- Cullen americanum
- Cullen corylifolium
- Cuminum cyminum
- Cunila origanoides
- Cunninghamia lanceolata
- Cupania glabra
- Cupaniopsis anacardioides
- Cuphea aspera
- Cuphea carthagenensis
- Cuphea glutinosa
- Cuphea hyssopifolia
- Cuphea procumbens
- Cuphea strigulosa
- Cuphea viscosissima
- Curculigo capitulata
- Curcuma zedoaria
- Cuscuta americana
- Cuscuta boldhingii
- Cuscuta campestris
- Cuscuta cassytoides
- Cuscuta cephalanthi
- Cuscuta compacta
- Cuscuta coryli
- Cuscuta cuspidata
- Cuscuta epilinum
- Cuscuta epithymum
- Cuscuta exaltata
- Cuscuta glabrior
- Cuscuta glomerata
- Cuscuta gronovii
- Cuscuta harperi
- Cuscuta indecora
- Cuscuta japonica
- Cuscuta legitima
- Cuscuta leptantha
- Cuscuta obtusiflora
- Cuscuta pentagona
- Cuscuta polygonorum
- Cuscuta rostrata
- Cuscuta runyonii
- Cuscuta suaveolens
- Cuscuta umbellata
- Cuthbertia graminea
- Cuthbertia ornata
- Cuthbertia rosea
- Cyanthillium cinereum
- Cyanus segetum
- Cycas revoluta
- Cyclachaena xanthiifolia
- Cyclanthera dissecta
- Cycloloma atriplicifolium
- Cyclopogon cranichoides
- Cyclopogon elatus
- Cyclosorus interruptus
- Cyclospermum leptophyllum
- Cydonia oblonga
- Cylindropuntia davisii
- Cylindropuntia imbricata
- Cylindropuntia kleiniae
- Cylindropuntia leptocaulis
- Cymbalaria muralis
- Cymbidium dayanum
- Cymbopogon citratus
- Cymbopogon jwarancusa
- Cymbopogon nardus
- Cynanchum laeve
- Cynanchum maccartii
- Cynanchum racemosum
- Cynodon dactylon
- Cynodon nlemfuensis
- Cynoglossum amabile
- Cynoglossum officinale
- Cynoglossum zeylanicum
- Cynophalla cynophallophora
- Cynosciadium digitatum
- Cynosurus cristatus
- Cynosurus echinatus
- Cyperus acuminatus
- Cyperus aggregatus
- Cyperus alopecuroides
- Cyperus aristulatus
- Cyperus articulatus
- Cyperus bipartitus
- Cyperus blepharoleptos
- Cyperus brevifolioides
- Cyperus brevifolius
- Cyperus cephalanthus
- Cyperus compressus
- Cyperus croceus
- Cyperus cuspidatus
- Cyperus dentatus
- Cyperus diandrus
- Cyperus difformis
- Cyperus digitatus
- Cyperus distans
- Cyperus distinctus
- Cyperus drummondii
- Cyperus echinatus
- Cyperus elegans
- Cyperus entrerianus
- Cyperus eragrostis
- Cyperus erythrorhizos
- Cyperus esculentus
- Cyperus filicinus
- Cyperus filiculmis
- Cyperus flavescens
- Cyperus flavicomus
- Cyperus floribundus
- Cyperus floridanus
- Cyperus fugax
- Cyperus fuligineus
- Cyperus fuscus
- Cyperus giganteus
- Cyperus granitophilus
- Cyperus grayi
- Cyperus grayoides
- Cyperus haspan
- Cyperus hemidrummondii
- Cyperus hermaphroditus
- Cyperus hortensis
- Cyperus houghtonii
- Cyperus hyalina
- Cyperus hystricinus
- Cyperus involucratus
- Cyperus iria
- Cyperus laevigatus
- Cyperus lancastriensis
- Cyperus lanceolatus
- Cyperus lecontei
- Cyperus lentiginosus
- Cyperus leptocarpus
- Cyperus ligularis
- Cyperus lupulinus
- Cyperus metzii
- Cyperus microiria
- Cyperus nashii
- Cyperus neochinensis
- Cyperus neotropicalis
- Cyperus ochraceus
- Cyperus odoratus
- Cyperus ovatus
- Cyperus oxylepis
- Cyperus papyrus
- Cyperus pedunculatus
- Cyperus pilosus
- Cyperus planifolius
- Cyperus plukenetii
- Cyperus polystachyos
- Cyperus prolifer
- Cyperus prolixus
- Cyperus pseudothyrsiflorus
- Cyperus pseudovegetus
- Cyperus pumilus
- Cyperus reflexus
- Cyperus refractus
- Cyperus retroflexus
- Cyperus retrofractus
- Cyperus retrorsus
- Cyperus richardii
- Cyperus rotundus
- Cyperus sanguinolentus
- Cyperus schweinitzii
- Cyperus serotinus
- Cyperus sesquiflorus
- Cyperus setigerus
- Cyperus sphacelatus
- Cyperus squarrosus
- Cyperus strigosus
- Cyperus subsquarrosus
- Cyperus surinamensis
- Cyperus tetragonus
- Cyperus thyrsiflorus
- Cyperus unioloides
- Cyperus virens
- Cyphomeris crassifolia
- Cypripedium acaule
- Cypripedium arietinum
- Cypripedium candidum
- Cypripedium kentuckiense
- Cypripedium parviflorum
- Cypripedium passerinum
- Cypripedium reginae
- Cyrilla arida
- Cyrilla parvifolia
- Cyrilla racemiflora
- Cyrtomium falcatum
- Cyrtomium fortunei
- Cyrtopodium polyphyllum
- Cyrtopodium punctatum
- Cyrtosia septentrionalis
- Cystopteris bulbifera
- Cystopteris fragilis
- Cystopteris laurentiana
- Cystopteris montana
- Cystopteris protrusa
- Cystopteris tennesseensis
- Cystopteris tenuis
- Cytisus scoparius
- Dactylis glomerata
- Dactyloctenium aegyptium
- Dactyloctenium radulans
- Dactylorhiza viridis
- Dalbergia brownei
- Dalbergia ecastaphyllum
- Dalbergia sissoo
- Dalea adenopoda
- Dalea albida
- Dalea aurea
- Dalea austrotexana
- Dalea cahaba
- Dalea candida
- Dalea carnea
- Dalea carrizoana
- Dalea compacta
- Dalea drummondiana
- Dalea emarginata
- Dalea enneandra
- Dalea feayi
- Dalea floridana
- Dalea foliosa
- Dalea frutescens
- Dalea gattingeri
- Dalea grisea
- Dalea hallii
- Dalea lanata
- Dalea lasiathera
- Dalea leporina
- Dalea mountjoyae
- Dalea multiflora
- Dalea nana
- Dalea obovata
- Dalea oligophylla
- Dalea phleoides
- Dalea pinnata
- Dalea pogonathera
- Dalea purpurea
- Dalea reverchonii
- Dalea rubescens
- Dalea scandens
- Dalea tenuis
- Dalea villosa
- Dalechampia scandens
- Damburneya coriacea
- Danae racemosa
- Danthonia californica
- Danthonia compressa
- Danthonia epilis
- Danthonia intermedia
- Danthonia sericea
- Danthonia spicata
- Daphne mezereum
- Dasiphora floribunda
- Dasistoma macrophyllum
- Dasylirion texanum
- Datura ferox
- Datura inoxia
- Datura metel
- Datura quercifolia
- Datura stramonium
- Datura wrightii
- Daucosma laciniata
- Daucus carota
- Daucus pusillus
- Decodon verticillatus
- Deeringothamnus pulchellus
- Deeringothamnus rugelii
- Deinandra fasciculata
- Delonix regia
- Delphinium ajacis
- Delphinium alabamicum
- Delphinium carolinianum
- Delphinium consolida
- Delphinium exaltatum
- Delphinium newtonianum
- Delphinium orientale
- Delphinium pubescens
- Delphinium treleasei
- Delphinium tricorne
- Dendrolycopodium dendroideum
- Dendrolycopodium hickeyi
- Dendrolycopodium obscurum
- Dendrophylax lindenii
- Dendrophylax porrectus
- Denisophytum pauciflorum
- Dennstaedtia bipinnata
- Dennstaedtia punctilobula
- Deparia acrostichoides
- Deparia petersenii
- Dermatophyllum secundiflorum
- Deschampsia alpina
- Deschampsia bolanderi
- Deschampsia cespitosa
- Deschampsia danthonioides
- Deschampsia elongata
- Descurainia incana
- Descurainia pinnata
- Descurainia sophia
- Desmanthus acuminatus
- Desmanthus bicornutus
- Desmanthus brevipes
- Desmanthus illinoensis
- Desmanthus leptolobus
- Desmanthus leptophyllus
- Desmanthus obtusus
- Desmanthus reticulatus
- Desmanthus velutinus
- Desmanthus virgatus
- Desmazeria rigida
- Desmodium canadense
- Desmodium canescens
- Desmodium ciliare
- Desmodium cuspidatum
- Desmodium fernaldii
- Desmodium floridanum
- Desmodium glabellum
- Desmodium humifusum
- Desmodium illinoense
- Desmodium incanum
- Desmodium laevigatum
- Desmodium lineatum
- Desmodium marilandicum
- Desmodium nuttallii
- Desmodium obtusum
- Desmodium ochroleucum
- Desmodium paniculatum
- Desmodium perplexum
- Desmodium psilophyllum
- Desmodium rotundifolium
- Desmodium scorpiurus
- Desmodium sessilifolium
- Desmodium strictum
- Desmodium tenuifolium
- Desmodium tortuosum
- Desmodium triflorum
- Desmodium tweedyi
- Desmodium viridiflorum
- Deutzia gracilis
- Deutzia parviflora
- Deutzia scabra
- Diamorpha smallii
- Dianella ensifolia
- Dianthus armeria
- Dianthus barbatus
- Dianthus deltoides
- Dianthus plumarius
- Diapensia lapponica
- Diaperia candida
- Diaperia prolifera
- Diaperia verna
- Diarrhena americana
- Diarrhena obovata
- Dicentra canadensis
- Dicentra cucullaria
- Dicentra eximia
- Dicentra formosa
- Dicerandra christmanii
- Dicerandra cornutissima
- Dicerandra densiflora
- Dicerandra frutescens
- Dicerandra fumella
- Dicerandra immaculata
- Dicerandra linearifolia
- Dicerandra modesta
- Dicerandra odoratissima
- Dicerandra radfordiana
- Dicerandra thinicola
- Dichaetophora campestris
- Dichanthelium aciculare
- Dichanthelium aculeatum
- Dichanthelium acuminatum
- Dichanthelium angustifolium
- Dichanthelium annulum
- Dichanthelium arenicoloides
- Dichanthelium bicknellii
- Dichanthelium boreale
- Dichanthelium boscii
- Dichanthelium breve
- Dichanthelium caerulescens
- Dichanthelium chamaelonche
- Dichanthelium clandestinum
- Dichanthelium columbianum
- Dichanthelium commutatum
- Dichanthelium consanguineum
- Dichanthelium cryptanthum
- Dichanthelium curtifolium
- Dichanthelium depauperatum
- Dichanthelium dichotomum
- Dichanthelium ensifolium
- Dichanthelium erectifolium
- Dichanthelium filiramum
- Dichanthelium fusiforme
- Dichanthelium glabrifolium
- Dichanthelium hirstii
- Dichanthelium latifolium
- Dichanthelium laxiflorum
- Dichanthelium leibergii
- Dichanthelium leucothrix
- Dichanthelium linearifolium
- Dichanthelium longiligulatum
- Dichanthelium lucidum
- Dichanthelium malacon
- Dichanthelium malacophyllum
- Dichanthelium mattamuskeetense
- Dichanthelium meridionale
- Dichanthelium microcarpon
- Dichanthelium mundum
- Dichanthelium neuranthum
- Dichanthelium nodatum
- Dichanthelium nudicaule
- Dichanthelium oligosanthes
- Dichanthelium ovale
- Dichanthelium pedicellatum
- Dichanthelium pinetorum
- Dichanthelium polyanthes
- Dichanthelium portoricense
- Dichanthelium ravenelii
- Dichanthelium recognitum
- Dichanthelium roanokense
- Dichanthelium scabriusculum
- Dichanthelium scoparium
- Dichanthelium sphaerocarpon
- Dichanthelium sphagnicola
- Dichanthelium spretum
- Dichanthelium strigosum
- Dichanthelium tenue
- Dichanthelium villosissimum
- Dichanthelium webberianum
- Dichanthelium wilcoxianum
- Dichanthelium wrightianum
- Dichanthelium xanthophysum
- Dichanthelium yadkinense
- Dichanthium annulatum
- Dichanthium aristatum
- Dichanthium sericeum
- Dichelostemma congestum
- Dichondra carolinensis
- Dichondra micrantha
- Dichondra recurvata
- Dichrostachys cinerea
- Dicliptera brachiata
- Dicliptera sexangularis
- Dicranopteris flexuosa
- Didiplis diandra
- Didymoglossum krausii
- Didymoglossum lineolatum
- Didymoglossum membranaceum
- Didymoglossum petersii
- Didymoglossum punctatum
- Dieffenbachia seguine
- Diervilla lonicera
- Diervilla rivularis
- Diervilla sessilifolia
- Digitalis grandiflora
- Digitalis lanata
- Digitalis lutea
- Digitalis purpurea
- Digitaria bicornis
- Digitaria ciliaris
- Digitaria eriantha
- Digitaria filiformis
- Digitaria floridana
- Digitaria gracillima
- Digitaria horizontalis
- Digitaria ischaemum
- Digitaria longiflora
- Digitaria milanjiana
- Digitaria nuda
- Digitaria pauciflora
- Digitaria sanguinalis
- Digitaria serotina
- Digitaria setigera
- Digitaria simpsonii
- Digitaria subcalva
- Digitaria texana
- Digitaria villosa
- Digitaria violascens
- Dimocarpus longan
- Dinebra decipiens
- Dinebra divaricatissima
- Dinebra nealleyi
- Dinebra panicea
- Dinebra panicoides
- Dinebra retroflexa
- Dinebra scabra
- Diodia harperi
- Diodia virginiana
- Dionaea muscipula
- Dioscorea alata
- Dioscorea bulbifera
- Dioscorea floridana
- Dioscorea polystachya
- Dioscorea sansibarensis
- Dioscorea villosa
- Diospyros digyna
- Diospyros ebenum
- Diospyros kaki
- Diospyros maritima
- Diospyros texana
- Diospyros virginiana
- Diphasiastrum alpinum
- Diphasiastrum complanatum
- Diphasiastrum digitatum
- Diphasiastrum habereri
- Diphasiastrum issleri
- Diphasiastrum sabinifolium
- Diphasiastrum sitchense
- Diphasiastrum tristachyum
- Diphylleia cymosa
- Diplachne acuminata
- Diplachne fascicularis
- Diplachne maritima
- Diplachne uninervia
- Diplaziopsis pycnocarpa
- Diplazium esculentum
- Diplotaxis muralis
- Diplotaxis tenuifolia
- Dipsacus fullonum
- Dipsacus laciniatus
- Dipsacus sativus
- Dirca decipiens
- Dirca palustris
- Disakisperma dubium
- Distichlis littoralis
- Distichlis spicata
- Distimake aegyptius
- Distimake cissoides
- Distimake dissectus
- Distimake quinquefolius
- Distimake tuberosus
- Diteilis nervosa
- Ditrysinia fruticosa
- Dittrichia graveolens
- Dittrichia viscosa
- Dodonaea angustifolia
- Dodonaea elaeagnoides
- Dodonaea viscosa
- Doellingeria infirma
- Doellingeria sericocarpoides
- Doellingeria umbellata
- Dolichandra unguis-cati
- Doronicum pardalianches
- Dorstenia contrajerva
- Draba alpina
- Draba arabisans
- Draba arctica
- Draba aurea
- Draba cana
- Draba cinerea
- Draba corymbosa
- Draba crassifolia
- Draba fladnizensis
- Draba glabella
- Draba incana
- Draba lactea
- Draba nivalis
- Draba norvegica
- Draba ramosissima
- Draba subcapitata
- Draba verna
- Dracocephalum parviflorum
- Dracopis amplexicaulis
- Drosera anglica
- Drosera brevifolia
- Drosera capillaris
- Drosera filiformis
- Drosera intermedia
- Drosera linearis
- Drosera rotundifolia
- Drosera tracyi
- Dryas drummondii
- Dryas integrifolia
- Drymaria cordata
- Drymocallis arguta
- Dryopteris australis
- Dryopteris campyloptera
- Dryopteris carthusiana
- Dryopteris celsa
- Dryopteris clintoniana
- Dryopteris cristata
- Dryopteris erythrosora
- Dryopteris expansa
- Dryopteris filix-mas
- Dryopteris fragrans
- Dryopteris goldieana
- Dryopteris intermedia
- Dryopteris ludoviciana
- Dryopteris marginalis
- Drypetes diversifolia
- Drypetes lateriflora
- Dulichium arundinaceum
- Dupontia fisheri
- Duranta erecta
- Dypsis lutescens
- Dyschoriste angusta
- Dyschoriste crenulata
- Dyschoriste humistrata
- Dyschoriste linearis
- Dyschoriste oblongifolia
- Dysodiopsis tagetoides
- Dysphania ambrosioides
- Dysphania anthelmintica
- Dysphania aristata
- Dysphania botrys
- Dysphania carinata
- Dysphania cristata
- Dysphania graveolens
- Dysphania multifida
- Dysphania plantaginella
- Dysphania pumilio
- Dyssodia papposa
- Ebenopsis ebano
- Ecballium elaterium
- Echeandia chandleri
- Echeandia flavescens
- Echeandia texensis
- Echinacea angustifolia
- Echinacea atrorubens
- Echinacea laevigata
- Echinacea pallida
- Echinacea paradoxa
- Echinacea purpurea
- Echinacea sanguinea
- Echinacea simulata
- Echinacea tennesseensis
- Echinocactus horizonthalonius
- Echinocereus berlandieri
- Echinocereus coccineus
- Echinocereus enneacanthus
- Echinocereus papillosus
- Echinocereus pentalophus
- Echinocereus poselgeri
- Echinocereus reichenbachii
- Echinochloa colonum
- Echinochloa crusgalli
- Echinochloa cruspavonis
- Echinochloa esculenta
- Echinochloa frumentacea
- Echinochloa muricata
- Echinochloa paludigena
- Echinochloa polystachya
- Echinochloa walteri
- Echinocystis lobata
- Echinodorus berteroi
- Echinodorus cordifolius
- Echinodorus grandiflorus
- Echinops sphaerocephalus
- Echites umbellatus
- Echium plantagineum
- Echium pustulatum
- Echium vulgare
- Eclipta prostrata
- Edgeworthia chrysantha
- Edrastima uniflora
- Egeria densa
- Egletes viscosa
- Ehretia acuminata
- Ehretia anacua
- Ehretia microphylla
- Ehrharta calycina
- Eichhornia azurea
- Eichhornia crassipes
- Eichhornia paniculata
- Elaeagnus angustifolia
- Elaeagnus commutata
- Elaeagnus multiflora
- Elaeagnus pungens
- Elaeagnus umbellata
- Elaeis guineensis
- Elatine ambigua
- Elatine americana
- Elatine brachysperma
- Elatine minima
- Elatine rubella
- Elatine triandra
- Eleocharis acicularis
- Eleocharis acutangula
- Eleocharis aestuum
- Eleocharis albida
- Eleocharis ambigens
- Eleocharis atropurpurea
- Eleocharis baldwinii
- Eleocharis bicolor
- Eleocharis bifida
- Eleocharis brachycarpa
- Eleocharis brittonii
- Eleocharis cellulosa
- Eleocharis compressa
- Eleocharis confervoides
- Eleocharis cylindrica
- Eleocharis diandra
- Eleocharis dulcis
- Eleocharis elegans
- Eleocharis elliptica
- Eleocharis elongata
- Eleocharis engelmannii
- Eleocharis equisetoides
- Eleocharis erythropoda
- Eleocharis fallax
- Eleocharis flavescens
- Eleocharis geniculata
- Eleocharis intermedia
- Eleocharis interstincta
- Eleocharis kamtschatica
- Eleocharis lanceolata
- Eleocharis macrostachya
- Eleocharis mamillata
- Eleocharis melanocarpa
- Eleocharis microcarpa
- Eleocharis minima
- Eleocharis montana
- Eleocharis montevidensis
- Eleocharis mutata
- Eleocharis nana
- Eleocharis nigrescens
- Eleocharis nitida
- Eleocharis obtusa
- Eleocharis obtusetrigona
- Eleocharis occulta
- Eleocharis olivacea
- Eleocharis ovata
- Eleocharis palustris
- Eleocharis parvula
- Eleocharis quadrangulata
- Eleocharis quinqueflora
- Eleocharis radicans
- Eleocharis ravenelii
- Eleocharis retroflexa
- Eleocharis reverchonii
- Eleocharis robbinsii
- Eleocharis rostellata
- Eleocharis tenuis
- Eleocharis tortilis
- Eleocharis tricostata
- Eleocharis tuberculosa
- Eleocharis uniglumis
- Eleocharis verrucosa
- Eleocharis vivipara
- Eleocharis wolfii
- Elephantopus carolinianus
- Elephantopus elatus
- Elephantopus nudatus
- Elephantopus tomentosus
- Eleusine africana
- Eleusine indica
- Eleusine tristachya
- Eleutherococcus sieboldianus
- Eleutherococcus trifoliatus
- Elionurus tripsacoides
- Elliottia racemosa
- Ellisia nyctelea
- Elodea bifoliata
- Elodea canadensis
- Elodea nuttallii
- Elodea schweinitzii
- Elsholtzia ciliata
- Eltroplectris calcarata
- Elyhordeum macounii
- Elymus canadensis
- Elymus churchii
- Elymus curvatus
- Elymus diversiglumis
- Elymus elymoides
- Elymus glabriflorus
- Elymus glaucus
- Elymus halophilus
- Elymus hirsutiglumis
- Elymus hystrix
- Elymus jejunus
- Elymus lanceolatus
- Elymus macgregorii
- Elymus repens
- Elymus riparius
- Elymus svensonii
- Elymus trachycaulus
- Elymus villosus
- Elymus violaceus
- Elymus virginicus
- Elymus wiegandii
- Elytraria angustifolia
- Elytraria bromoides
- Elytraria caroliniensis
- Emex spinosa
- Emilia fosbergii
- Emilia sonchifolia
- Empetrum atropurpureum
- Empetrum eamesii
- Empetrum nigrum
- Encyclia rufa
- Encyclia tampensis
- Endodeca reticulata
- Endodeca serpentaria
- Endotropis alnifolia
- Endotropis lanceolata
- Enemion biternatum
- Engelmannia peristenia
- Enterolobium contortisiliquum
- Enterolobium cyclocarpum
- Enteropogon dolichostachyus
- Enteropogon prieurii
- Enteropogonopsis chloridea
- Enydra fluctuans
- Ephedra antisyphilitica
- Ephedra pedunculata
- Epidendrum acunae
- Epidendrum amphistomum
- Epidendrum conopseum
- Epidendrum floridense
- Epidendrum nocturnum
- Epidendrum radicans
- Epidendrum rigidum
- Epidendrum strobiliferum
- Epifagus virginiana
- Epigaea repens
- Epilobium anagallidifolium
- Epilobium arcticum
- Epilobium brachycarpum
- Epilobium ciliatum
- Epilobium coloratum
- Epilobium davuricum
- Epilobium hirsutum
- Epilobium hornemannii
- Epilobium lactiflorum
- Epilobium leptophyllum
- Epilobium palustre
- Epilobium parviflorum
- Epilobium strictum
- Epipactis gigantea
- Epipactis helleborine
- Epiphyllum hookeri
- Epipremnum pinnatum
- Equisetum ×jesupii
- Equisetum ×nelsonii
- Equisetum arvense
- Equisetum ferrissii
- Equisetum fluviatile
- Equisetum laevigatum
- Equisetum litorale
- Equisetum palustre
- Equisetum praealtum
- Equisetum pratense
- Equisetum ramosissimum
- Equisetum scirpoides
- Equisetum sylvaticum
- Equisetum telmateia
- Equisetum variegatum
- Eragrostis airoides
- Eragrostis amabilis
- Eragrostis atrovirens
- Eragrostis bahiensis
- Eragrostis barrelieri
- Eragrostis capillaris
- Eragrostis chaetophylla
- Eragrostis cilianensis
- Eragrostis ciliaris
- Eragrostis cumingii
- Eragrostis curtipedicellata
- Eragrostis curvula
- Eragrostis cylindriflora
- Eragrostis echinochloidea
- Eragrostis elliottii
- Eragrostis elongata
- Eragrostis frankii
- Eragrostis gangetica
- Eragrostis hirsuta
- Eragrostis hypnoides
- Eragrostis intermedia
- Eragrostis japonica
- Eragrostis lehmanniana
- Eragrostis leptostachya
- Eragrostis lugens
- Eragrostis mexicana
- Eragrostis minor
- Eragrostis oxylepis
- Eragrostis palmeri
- Eragrostis pectinacea
- Eragrostis pilosa
- Eragrostis plana
- Eragrostis polytricha
- Eragrostis prolifera
- Eragrostis refracta
- Eragrostis reptans
- Eragrostis scaligera
- Eragrostis sessilispica
- Eragrostis setifolia
- Eragrostis silveana
- Eragrostis spectabilis
- Eragrostis spicata
- Eragrostis superba
- Eragrostis swallenii
- Eragrostis tef
- Eragrostis trichodes
- Eragrostis unioloides
- Eranthemum pulchellum
- Eranthis hyemalis
- Erechtites hieraciifolius
- Erechtites megalocarpus
- Eremochloa ophiuroides
- Erianthus alopecuroides
- Erianthus brevibarbis
- Erianthus coarctatus
- Erianthus contortus
- Erianthus giganteus
- Erianthus strictus
- Erica tetralix
- Erica vagans
- Erigenia bulbosa
- Erigeron acris
- Erigeron allisonii
- Erigeron annuus
- Erigeron bellioides
- Erigeron bonariensis
- Erigeron canadensis
- Erigeron compositus
- Erigeron divaricatus
- Erigeron dolomiticola
- Erigeron elatus
- Erigeron floribundus
- Erigeron geiseri
- Erigeron glabellus
- Erigeron hyssopifolius
- Erigeron laevigatus
- Erigeron lonchophyllus
- Erigeron modestus
- Erigeron philadelphicus
- Erigeron procumbens
- Erigeron pulchellus
- Erigeron pusillus
- Erigeron quercifolius
- Erigeron strigosus
- Erigeron sumatrensis
- Erigeron tenellus
- Erigeron tenuis
- Erigeron traversii
- Erigeron vernus
- Eriobotrya japonica
- Eriocaulon aquaticum
- Eriocaulon cinereum
- Eriocaulon compressum
- Eriocaulon decangulare
- Eriocaulon koernickeanum
- Eriocaulon lineare
- Eriocaulon nigrobracteatum
- Eriocaulon parkeri
- Eriocaulon ravenelii
- Eriocaulon texense
- Eriochloa acuminata
- Eriochloa aristata
- Eriochloa contracta
- Eriochloa fatmensis
- Eriochloa michauxii
- Eriochloa polystachya
- Eriochloa punctata
- Eriochloa sericea
- Eriochloa villosa
- Eriocoma hymenoides
- Eriogonum allenii
- Eriogonum annuum
- Eriogonum floridanum
- Eriogonum greggii
- Eriogonum harperi
- Eriogonum longifolium
- Eriogonum multiflorum
- Eriogonum riograndis
- Eriogonum tomentosum
- Erioneuron pilosum
- Eriophorum angustifolium
- Eriophorum brachyantherum
- Eriophorum callitrix
- Eriophorum chamissonis
- Eriophorum gracile
- Eriophorum russeolum
- Eriophorum scheuchzeri
- Eriophorum tenellum
- Eriophorum vaginatum
- Eriophorum virginicum
- Eriophorum viridicarinatum
- Erithalis fruticosa
- Ernodea cokeri
- Ernodea littoralis
- Erodium botrys
- Erodium ciconium
- Erodium cicutarium
- Erodium moschatum
- Erodium texanum
- Eruca vesicaria
- Erucastrum gallicum
- Eryngium amethystinum
- Eryngium aquaticum
- Eryngium arenosum
- Eryngium aromaticum
- Eryngium baldwinii
- Eryngium campestre
- Eryngium cuneifolium
- Eryngium diffusum
- Eryngium divaricatum
- Eryngium foetidum
- Eryngium hookeri
- Eryngium integrifolium
- Eryngium leavenworthii
- Eryngium maritimum
- Eryngium nasturtiifolium
- Eryngium planum
- Eryngium prostratum
- Eryngium ravenelii
- Eryngium yuccifolium
- Erysimum asperum
- Erysimum capitatum
- Erysimum cheiranthoides
- Erysimum hieraciifolium
- Erysimum inconspicuum
- Erysimum repandum
- Erythranthe floribunda
- Erythranthe geyeri
- Erythranthe guttata
- Erythranthe inamoena
- Erythranthe michiganensis
- Erythranthe moschata
- Erythrina crista-galli
- Erythrina herbacea
- Erythrina variegata
- Erythronium albidum
- Erythronium americanum
- Erythronium mesochoreum
- Erythronium propullans
- Erythronium rostratum
- Erythronium umbilicatum
- Erythrostemon caudatus
- Erythrostemon gilliesii
- Erythrostemon phyllanthoides
- Eschscholzia californica
- Escobaria emskoetteriana
- Escobaria missouriensis
- Escobaria vivipara
- Esenbeckia berlandieri
- Eubotrys racemosus
- Eubotrys recurvus
- Eucalyptus amplifolia
- Eucalyptus camaldulensis
- Eucalyptus cinerea
- Eucalyptus deglupta
- Eucalyptus grandis
- Eucalyptus robusta
- Euchiton involucratus
- Eucnide bartonioides
- Eucnide lobata
- Eucommia ulmoides
- Eugenia axillaris
- Eugenia confusa
- Eugenia foetida
- Eugenia rhombea
- Eugenia uniflora
- Eulophia alta
- Eulophia andamanensis
- Eulophia graminea
- Euonymus alatus
- Euonymus americanus
- Euonymus atropurpureus
- Euonymus europaeus
- Euonymus fortunei
- Euonymus hamiltonianus
- Euonymus japonicus
- Euonymus maackii
- Euonymus obovatus
- Eupatorium album
- Eupatorium altissimum
- Eupatorium anomalum
- Eupatorium cannabinum
- Eupatorium capillifolium
- Eupatorium compositifolium
- Eupatorium cordigerum
- Eupatorium fernaldii
- Eupatorium glaucescens
- Eupatorium godfreyanum
- Eupatorium hyssopifolium
- Eupatorium lancifolium
- Eupatorium leptophyllum
- Eupatorium leucolepis
- Eupatorium linearifolium
- Eupatorium maritimum
- Eupatorium mikanioides
- Eupatorium mohrii
- Eupatorium novae-angliae
- Eupatorium paludicola
- Eupatorium perfoliatum
- Eupatorium petaloideum
- Eupatorium pilosum
- Eupatorium pinnatifidum
- Eupatorium pubescens
- Eupatorium recurvans
- Eupatorium resinosum
- Eupatorium rotundifolium
- Eupatorium saltuense
- Eupatorium scabridum
- Eupatorium semiserratum
- Eupatorium serotinum
- Eupatorium sessilifolium
- Eupatorium subvenosum
- Eupatorium sullivaniae
- Eupatorium torreyanum
- Eupatorium vaseyi
- Euphorbia agraria
- Euphorbia albomarginata
- Euphorbia angusta
- Euphorbia antisyphilitica
- Euphorbia austrotexana
- Euphorbia bicolor
- Euphorbia blodgettii
- Euphorbia bombensis
- Euphorbia cinerascens
- Euphorbia commutata
- Euphorbia conferta
- Euphorbia cordifolia
- Euphorbia corollata
- Euphorbia cumulicola
- Euphorbia curtisii
- Euphorbia cyathophora
- Euphorbia cyparissias
- Euphorbia davidii
- Euphorbia deltoidea
- Euphorbia dentata
- Euphorbia discoidalis
- Euphorbia exigua
- Euphorbia exserta
- Euphorbia falcata
- Euphorbia fendleri
- Euphorbia floridana
- Euphorbia garberi
- Euphorbia georgiana
- Euphorbia geyeri
- Euphorbia glyptosperma
- Euphorbia graminea
- Euphorbia helioscopia
- Euphorbia helleri
- Euphorbia heterophylla
- Euphorbia hexagona
- Euphorbia hirta
- Euphorbia humistrata
- Euphorbia hypericifolia
- Euphorbia hyssopifolia
- Euphorbia innocua
- Euphorbia inundata
- Euphorbia ipecacuanhae
- Euphorbia laredana
- Euphorbia lasiocarpa
- Euphorbia lata
- Euphorbia lathyris
- Euphorbia longicruris
- Euphorbia lucida
- Euphorbia maculata
- Euphorbia marginata
- Euphorbia meganaesos
- Euphorbia mendezii
- Euphorbia mercurialina
- Euphorbia mesembrianthemifolia
- Euphorbia micromera
- Euphorbia milii
- Euphorbia missurica
- Euphorbia nutans
- Euphorbia obtusata
- Euphorbia ophthalmica
- Euphorbia ouachitana
- Euphorbia peplidion
- Euphorbia peplus
- Euphorbia pergamena
- Euphorbia pinetorum
- Euphorbia platyphyllos
- Euphorbia polygonifolia
- Euphorbia polyphylla
- Euphorbia porteriana
- Euphorbia prostrata
- Euphorbia pubentissima
- Euphorbia purpurea
- Euphorbia roemeriana
- Euphorbia rosescens
- Euphorbia serpens
- Euphorbia serpillifolia
- Euphorbia serrula
- Euphorbia spathulata
- Euphorbia stictospora
- Euphorbia telephioides
- Euphorbia tetrapora
- Euphorbia texana
- Euphorbia thymifolia
- Euphorbia tirucalli
- Euphorbia tithymaloides
- Euphorbia trichotoma
- Euphorbia vermiculata
- Euphorbia villifera
- Euphorbia virgata
- Euphrasia arctica
- Euphrasia disjuncta
- Euphrasia farlowii
- Euphrasia frigida
- Euphrasia hudsoniana
- Euphrasia micrantha
- Euphrasia nemorosa
- Euphrasia oakesii
- Euphrasia ostenfeldii
- Euphrasia randii
- Euphrasia salisburgensis
- Euphrasia stricta
- Euphrasia suborbicularis
- Euphrasia tetraquetra
- Euphrasia vinacea
- Euphrasia wettsteinii
- Euploca confertifolia
- Euploca fruticosa
- Euploca polyphylla
- Euploca procumbens
- Euploca tenella
- Euploca torreyi
- Eurybia avita
- Eurybia chlorolepis
- Eurybia compacta
- Eurybia divaricata
- Eurybia eryngiifolia
- Eurybia furcata
- Eurybia hemispherica
- Eurybia jonesiae
- Eurybia macrophylla
- Eurybia mirabilis
- Eurybia paludosa
- Eurybia radula
- Eurybia saxicastellii
- Eurybia schreberi
- Eurybia spectabilis
- Eurybia spinulosa
- Eurybia surculosa
- Euryops chrysanthemoides
- Eurytaenia texana
- Eustachys caribaea
- Eustachys distichophylla
- Eustachys floridana
- Eustachys glauca
- Eustachys neglecta
- Eustachys petraea
- Eustachys retusa
- Eustoma exaltatum
- Eustoma grandiflorum
- Euthamia caroliniana
- Euthamia galetorum
- Euthamia graminifolia
- Euthamia gymnospermoides
- Euthamia hirtipes
- Euthamia leptocephala
- Euthamia pulverulenta
- Euthamia scabra
- Euthamia tenuifolia
- Eutrema edwardsii
- Eutrema salsuginea
- Eutrochium dubium
- Eutrochium fistulosum
- Eutrochium maculatum
- Eutrochium purpureum
- Eutrochium steelei
- Evolvulus alsinoides
- Evolvulus convolvuloides
- Evolvulus filipes
- Evolvulus glomeratus
- Evolvulus grisebachii
- Evolvulus nuttallianus
- Evolvulus sericeus
- Exochorda racemosa
- Exostema caribaeum
- Exothea paniculata
- Eysenhardtia texana
- Facelis retusa
- Fagopyrum esculentum
- Fagopyrum tataricum
- Fagus grandifolia
- Fagus sylvatica
- Falcaria vulgaris
- Fallopia baldschuanica
- Fallopia cilinodis
- Fallopia convolvulus
- Fallopia cristata
- Fallopia dumetorum
- Fallopia scandens
- Fatoua villosa
- Fatsia japonica
- Ferocactus hamatacanthus
- Festuca altaica
- Festuca baffinensis
- Festuca brachyphylla
- Festuca bromoides
- Festuca filiformis
- Festuca frederikseniae
- Festuca hallii
- Festuca hyperborea
- Festuca myuros
- Festuca occidentalis
- Festuca octoflora
- Festuca ovina
- Festuca paradoxa
- Festuca prolifera
- Festuca rubra
- Festuca saximontana
- Festuca sciurea
- Festuca sororia
- Festuca subverticillata
- Festuca thurberi
- Festuca trachyphylla
- Festuca versuta
- Ficaria verna
- Ficus altissima
- Ficus americana
- Ficus aurea
- Ficus benghalensis
- Ficus benjamina
- Ficus carica
- Ficus citrifolia
- Ficus deltoidea
- Ficus elastica
- Ficus microcarpa
- Ficus pumila
- Ficus religiosa
- Filago germanica
- Filipendula rubra
- Filipendula ulmaria
- Filipendula vulgaris
- Fimbristylis annua
- Fimbristylis autumnalis
- Fimbristylis brevivaginata
- Fimbristylis caroliniana
- Fimbristylis castanea
- Fimbristylis cymosa
- Fimbristylis decipiens
- Fimbristylis dichotoma
- Fimbristylis interior
- Fimbristylis littoralis
- Fimbristylis perpusilla
- Fimbristylis puberula
- Fimbristylis schoenoides
- Fimbristylis squarrosa
- Fimbristylis tomentosa
- Fimbristylis vahlii
- Firmiana simplex
- Flacourtia indica
- Flaveria bidentis
- Flaveria brownii
- Flaveria floridana
- Flaveria linearis
- Flaveria trinervia
- Fleischmannia incarnata
- Floerkea proserpinacoides
- Florestina tripteris
- Flueggea virosa
- Foeniculum vulgare
- Fontanesia phyllyreoides
- Forestiera acuminata
- Forestiera angustifolia
- Forestiera godfreyi
- Forestiera ligustrina
- Forestiera pubescens
- Forestiera segregata
- Forsythia intermedia
- Forsythia suspensa
- Forsythia viridissima
- Fothergilla gardenii
- Fothergilla major
- Fragaria americana
- Fragaria ananassa
- Fragaria vesca
- Fragaria virginiana
- Frangula alnus
- Frangula caroliniana
- Frankenia johnstonii
- Frankenia pulverulenta
- Franklinia alatamaha
- Frasera caroliniensis
- Fraxinus albicans
- Fraxinus americana
- Fraxinus berlandierana
- Fraxinus biltmoreana
- Fraxinus caroliniana
- Fraxinus cubensis
- Fraxinus excelsior
- Fraxinus nigra
- Fraxinus pauciflora
- Fraxinus pennsylvanica
- Fraxinus profunda
- Fraxinus quadrangulata
- Fraxinus smallii
- Freesia alba
- Freesia laxa
- Froelichia drummondii
- Froelichia floridana
- Froelichia gracilis
- Froelichia latifolia
- Froelichia texana
- Fuirena breviseta
- Fuirena bushii
- Fuirena coerulescens
- Fuirena longa
- Fuirena pumila
- Fuirena scirpoidea
- Fuirena simplex
- Fuirena squarrosa
- Fuirena umbellata
- Fumaria capreolata
- Fumaria officinalis
- Fumaria parviflora
- Fumaria vaillantii
- Funastrum clausum
- Funastrum crispum
- Funastrum cynanchoides
- Furcraea foetida
- Furcraea selloa
- Gagea fragifera
- Gaillardia aestivalis
- Gaillardia amblyodon
- Gaillardia aristata
- Gaillardia pulchella
- Gaillardia suavis
- Galactia brachypoda
- Galactia canescens
- Galactia elliottii
- Galactia erecta
- Galactia fasciculata
- Galactia floridana
- Galactia grisebachii
- Galactia heterophylla
- Galactia longifolia
- Galactia marginalis
- Galactia microphylla
- Galactia minor
- Galactia mollis
- Galactia pinetorum
- Galactia regularis
- Galactia smallii
- Galactia striata
- Galactia texana
- Galactia volubilis
- Galanthus elwesii
- Galanthus nivalis
- Galanthus plicatus
- Galax urceolata
- Galeandra bicarinata
- Galearis rotundifolia
- Galearis spectabilis
- Galega officinalis
- Galenia secunda
- Galeopsis bifida
- Galeopsis ladanum
- Galeopsis tetrahit
- Galinsoga parviflora
- Galinsoga quadriradiata
- Galium album
- Galium anglicum
- Galium aparine
- Galium arkansanum
- Galium arvense
- Galium asprellum
- Galium bermudense
- Galium boreale
- Galium brevipes
- Galium circaezans
- Galium concinnum
- Galium divaricatum
- Galium glaucum
- Galium kamtschaticum
- Galium labradoricum
- Galium lanceolatum
- Galium latifolium
- Galium mollugo
- Galium obtusum
- Galium odoratum
- Galium orizabense
- Galium palustre
- Galium parisiense
- Galium pedemontanum
- Galium pilosum
- Galium proliferum
- Galium rubioides
- Galium sherardia
- Galium sylvaticum
- Galium texense
- Galium tinctorium
- Galium tricornutum
- Galium trifidum
- Galium triflorum
- Galium uniflorum
- Galium verum
- Galium virgatum
- Galium wirtgenii
- Galphimia angustifolia
- Galphimia gracilis
- Gamochaeta antillana
- Gamochaeta argentina
- Gamochaeta argyrinea
- Gamochaeta calviceps
- Gamochaeta chionesthes
- Gamochaeta coarctata
- Gamochaeta pensylvanica
- Gamochaeta purpurea
- Gamochaeta simplicicaulis
- Garberia heterophylla
- Gardenia jasminoides
- Garrya ovata
- Gastridium phleoides
- Gaudinia fragilis
- Gaultheria hispidula
- Gaultheria procumbens
- Gaylussacia baccata
- Gaylussacia bigeloviana
- Gaylussacia brachycera
- Gaylussacia dumosa
- Gaylussacia frondosa
- Gaylussacia mosieri
- Gaylussacia nana
- Gaylussacia orocola
- Gaylussacia tomentosa
- Gaylussacia ursina
- Gelsemium rankinii
- Gelsemium sempervirens
- Genista tinctoria
- Gentiana affinis
- Gentiana alba
- Gentiana andrewsii
- Gentiana austromontana
- Gentiana autumnalis
- Gentiana catesbaei
- Gentiana clausa
- Gentiana decora
- Gentiana latidens
- Gentiana linearis
- Gentiana nivalis
- Gentiana pennelliana
- Gentiana puberulenta
- Gentiana rubricaulis
- Gentiana saponaria
- Gentiana villosa
- Gentianella amarella
- Gentianella occidentalis
- Gentianella propinqua
- Gentianella quinquefolia
- Gentianopsis crinita
- Gentianopsis detonsa
- Gentianopsis virgata
- Geobalanus oblongifolius
- Geocaulon lividum
- Geranium aequale
- Geranium bicknellii
- Geranium carolinianum
- Geranium columbinum
- Geranium dissectum
- Geranium ibericum
- Geranium maculatum
- Geranium molle
- Geranium pratense
- Geranium pusillum
- Geranium robertianum
- Geranium sanguineum
- Geranium sibiricum
- Geranium texanum
- Geranium thunbergii
- Gerbera jamesonii
- Geum aleppicum
- Geum canadense
- Geum geniculatum
- Geum laciniatum
- Geum macrophyllum
- Geum peckii
- Geum radiatum
- Geum rivale
- Geum triflorum
- Geum urbanum
- Geum vernum
- Geum virginianum
- Gibasis pellucida
- Gilia capitata
- Gilia tricolor
- Giliastrum acerosum
- Giliastrum incisum
- Giliastrum ludens
- Giliastrum rigidulum
- Gillenia stipulata
- Gillenia trifoliata
- Ginkgo biloba
- Gisekia pharnacioides
- Gladiolus communis
- Gladiolus dalenii
- Gladiolus gandavensis
- Gladiolus italicus
- Glandularia aristigera
- Glandularia bipinnatifida
- Glandularia canadensis
- Glandularia delticola
- Glandularia hybrida
- Glandularia incisa
- Glandularia maritima
- Glandularia polyantha
- Glandularia pumila
- Glandularia quadrangulata
- Glandularia tampensis
- Glaucium corniculatum
- Glaucium flavum
- Glebionis coronaria
- Glebionis segetum
- Glechoma hederacea
- Gleditsia aquatica
- Gleditsia triacanthos
- Glinus lotoides
- Glinus radiatus
- Gliricidia sepium
- Globba schomburgkii
- Glochidion puberum
- Gloriosa superba
- Glossostigma cleistanthum
- Glyceria acutiflora
- Glyceria arkansana
- Glyceria borealis
- Glyceria canadensis
- Glyceria declinata
- Glyceria elata
- Glyceria fluitans
- Glyceria grandis
- Glyceria laxa
- Glyceria maxima
- Glyceria melicaria
- Glyceria notata
- Glyceria nubigena
- Glyceria obtusa
- Glyceria septentrionalis
- Glyceria striata
- Glycine max
- Glycosmis parviflora
- Glycyrrhiza lepidota
- Gmelina arborea
- Gnaphalium uliginosum
- Gochnatia hypoleuca
- Gomphrena globosa
- Gomphrena nealleyi
- Gomphrena serrata
- Goniopteris moranii
- Goniopteris reptans
- Goniopteris sclerophylla
- Goniopteris tetragona
- Gonolobus suberosus
- Gonolobus taylorianus
- Goodyera oblongifolia
- Goodyera pubescens
- Goodyera repens
- Goodyera tesselata
- Gordonia lasianthus
- Gossypianthus lanuginosus
- Gossypium barbadense
- Gossypium hirsutum
- Gouania lupuloides
- Govenia floridana
- Graphephorum melicoides
- Graptophyllum pictum
- Gratiola amphiantha
- Gratiola brevifolia
- Gratiola floridana
- Gratiola graniticola
- Gratiola lutea
- Gratiola neglecta
- Gratiola quartermaniae
- Gratiola ramosa
- Gratiola torreyi
- Gratiola virginiana
- Gratiola viscidula
- Greeneochloa coarctata
- Grevillea robusta
- Grewia asiatica
- Grewia biloba
- Grindelia adenodonta
- Grindelia ciliata
- Grindelia lanceolata
- Grindelia microcephala
- Grindelia oolepis
- Grindelia pusilla
- Grindelia squarrosa
- Grindelia texana
- Grusonia schottii
- Guaiacum angustifolium
- Guaiacum officinale
- Guaiacum sanctum
- Guapira discolor
- Guapira obtusata
- Guettarda elliptica
- Guettarda scabra
- Guilandina bonduc
- Guilandina ciliata
- Guilandina major
- Guilandina nuga
- Guilleminea densa
- Guizotia abyssinica
- Gutierrezia microcephala
- Gutierrezia sarothrae
- Gutierrezia sphaerocephala
- Gutierrezia texana
- Guzmania monostachia
- Gyminda latifolia
- Gymnanthes lucida
- Gymnocarpium appalachianum
- Gymnocarpium disjunctum
- Gymnocarpium dryopteris
- Gymnocarpium jessoense
- Gymnocarpium robertianum
- Gymnocladus dioicus
- Gymnopogon ambiguus
- Gymnopogon brevifolius
- Gymnopogon chapmanianus
- Gymnosperma glutinosum
- Gynandropsis gynandra
- Gynura aurantiaca
- Gypsophila elegans
- Gypsophila muralis
- Gypsophila oldhamiana
- Gypsophila paniculata
- Habenaria distans
- Habenaria floribunda
- Habenaria macroceratitis
- Habenaria quinqueseta
- Habenaria repens
- Habranthus robustus
- Habranthus tubispathus
- Hackelia deflexa
- Hackelia virginiana
- Hainardia cylindrica
- Halenia deflexa
- Halerpestes cymbalaria
- Halesia carolina
- Halesia diptera
- Halesia tetraptera
- Halodule wrightii
- Halophila baillonis
- Halophila decipiens
- Halophila engelmannii
- Halophila johnsonii
- Hamamelis ovalis
- Hamamelis vernalis
- Hamamelis virginiana
- Hamatocactus bicolor
- Hamelia patens
- Hammarbya paludosa
- Handroanthus chrysotrichus
- Handroanthus ochraceus
- Haplocarpha lyrata
- Haploesthes greggii
- Harperella nodosa
- Harperocallis flava
- Harpullia arborea
- Harrimanella hypnoides
- Harrisia aboriginum
- Harrisia fragrans
- Harrisia simpsonii
- Hartwrightia floridana
- Havardia pallens
- Hebecarpa greggii
- Hebecarpa macradenia
- Hebecarpa ovatifolia
- Hechtia glomerata
- Hedeoma acinoides
- Hedeoma drummondii
- Hedeoma hispida
- Hedeoma pulegioides
- Hedeoma reverchonii
- Hedeoma serpyllifolia
- Hedera colchica
- Hedera helix
- Hedera hibernica
- Hedychium coronarium
- Hedypnois cretica
- Hedysarum alpinum
- Hedysarum boreale
- Helanthium tenellum
- Helenium amarum
- Helenium autumnale
- Helenium brevifolium
- Helenium campestre
- Helenium drummondii
- Helenium elegans
- Helenium flexuosum
- Helenium linifolium
- Helenium microcephalum
- Helenium pinnatifidum
- Helenium quadridentatum
- Helenium vernale
- Helenium virginicum
- Helianthus agrestis
- Helianthus angustifolius
- Helianthus annuus
- Helianthus argophyllus
- Helianthus atrorubens
- Helianthus carnosus
- Helianthus ciliaris
- Helianthus debilis
- Helianthus decapetalus
- Helianthus divaricatus
- Helianthus eggertii
- Helianthus floridanus
- Helianthus giganteus
- Helianthus glaucophyllus
- Helianthus grosseserratus
- Helianthus heterophyllus
- Helianthus hirsutus
- Helianthus laetiflorus
- Helianthus laevigatus
- Helianthus longifolius
- Helianthus maximilianii
- Helianthus microcephalus
- Helianthus mollis
- Helianthus nuttallii
- Helianthus occidentalis
- Helianthus pauciflorus
- Helianthus petiolaris
- Helianthus porteri
- Helianthus praecox
- Helianthus radula
- Helianthus resinosus
- Helianthus salicifolius
- Helianthus schweinitzii
- Helianthus silphioides
- Helianthus simulans
- Helianthus smithii
- Helianthus strumosus
- Helianthus tuberosus
- Helianthus verticillatus
- Heliconia latispatha
- Helietta parvifolia
- Heliomeris multiflora
- Heliopsis gracilis
- Heliopsis helianthoides
- Heliotropium amplexicaule
- Heliotropium angiospermum
- Heliotropium convolvulaceum
- Heliotropium curassavicum
- Heliotropium europaeum
- Heliotropium gnaphalodes
- Heliotropium indicum
- Heliotropium racemosum
- Heliotropium texanum
- Heliotropium verdcourtii
- Helleborus foetidus
- Helleborus niger
- Helleborus viridis
- Helminthotheca echioides
- Helonias bullata
- Helosciadium nodiflorum
- Hemarthria altissima
- Hemerocallis fulva
- Hemerocallis lilioasphodelus
- Hemianthus glomeratus
- Hemianthus micranthemoides
- Hemigraphis alternata
- Hemigraphis reptans
- Hemiscola aculeata
- Hemiscola diffusa
- Hepatica acutiloba
- Hepatica americana
- Heracleum mantegazzianum
- Heracleum maximum
- Heracleum sphondylium
- Herbertia lahue
- Herissantia crispa
- Hermannia texana
- Herniaria glabra
- Herniaria hirsuta
- Hesperaloe engelmannii
- Hesperaloe parviflora
- Hesperis matronalis
- Hesperocyparis arizonica
- Hesperostipa comata
- Hesperostipa curtiseta
- Hesperostipa spartea
- Heteranthera dubia
- Heteranthera limosa
- Heteranthera mexicana
- Heteranthera multiflora
- Heteranthera reniformis
- Heteranthera rotundifolia
- Heteropogon contortus
- Heteropogon melanocarpus
- Heteropterys brachiata
- Heterosavia bahamensis
- Heterosperma pinnatum
- Heterotaxis sessilis
- Heterotheca camporum
- Heterotheca canescens
- Heterotheca stenophylla
- Heterotheca subaxillaris
- Heterotheca villosa
- Heuchera aceroides
- Heuchera alba
- Heuchera americana
- Heuchera arkansana
- Heuchera caroliniana
- Heuchera hirsuticaulis
- Heuchera hispida
- Heuchera longiflora
- Heuchera macrorhiza
- Heuchera missouriensis
- Heuchera parviflora
- Heuchera puberula
- Heuchera pubescens
- Heuchera richardsonii
- Heuchera sanguinea
- Heuchera villosa
- Hexalectris arizonica
- Hexalectris nitida
- Hexalectris spicata
- Hexalectris warnockii
- Hexasepalum radula
- Hexasepalum teres
- Hexastylis arifolia
- Hexastylis callifolia
- Hexastylis contracta
- Hexastylis harperi
- Hexastylis heterophylla
- Hexastylis lewisii
- Hexastylis minor
- Hexastylis naniflora
- Hexastylis rhombiformis
- Hexastylis ruthii
- Hexastylis shuttleworthii
- Hexastylis sorriei
- Hexastylis speciosa
- Hexastylis virginica
- Hibiscus acetosella
- Hibiscus aculeatus
- Hibiscus bifurcatus
- Hibiscus cannabinus
- Hibiscus coccineus
- Hibiscus dasycalyx
- Hibiscus furcellatus
- Hibiscus grandiflorus
- Hibiscus laevis
- Hibiscus lasiocarpos
- Hibiscus martianus
- Hibiscus moscheutos
- Hibiscus mutabilis
- Hibiscus poeppigii
- Hibiscus radiatus
- Hibiscus rosa-sinensis
- Hibiscus sabdariffa
- Hibiscus schizopetalus
- Hibiscus striatus
- Hibiscus syriacus
- Hibiscus trionum
- Hieracium gronovii
- Hieracium lachenalii
- Hieracium longipilum
- Hieracium maculatum
- Hieracium marianum
- Hieracium megacephalon
- Hieracium murorum
- Hieracium paniculatum
- Hieracium robinsonii
- Hieracium sabaudum
- Hieracium scabrum
- Hieracium traillii
- Hieracium umbellatum
- Hieracium venosum
- Hierochloe alpina
- Hierochloe hirta
- Hierochloe odorata
- Hierochloe orthantha
- Hierochloe pauciflora
- Hilaria belangeri
- Hippeastrum bifidum
- Hippeastrum puniceum
- Hippobroma longiflora
- Hippocratea volubilis
- Hippomane mancinella
- Hippophae rhamnoides
- Hippuris tetraphylla
- Hippuris vulgaris
- Hiptage benghalensis
- Hoffmannseggia drummondii
- Hoffmannseggia glauca
- Hoffmannseggia tenella
- Holcus lanatus
- Holcus mollis
- Holmskioldia sanguinea
- Holosteum umbellatum
- Homalocephala texensis
- Honckenya peploides
- Hopia obtusa
- Hordeum brachyantherum
- Hordeum depressum
- Hordeum jubatum
- Hordeum marinum
- Hordeum murinum
- Hordeum pusillum
- Hordeum vulgare
- Hosta lancifolia
- Hosta plantaginea
- Hosta ventricosa
- Hottonia inflata
- Houstonia caerulea
- Houstonia canadensis
- Houstonia correllii
- Houstonia croftiae
- Houstonia faxonorum
- Houstonia floridana
- Houstonia humifusa
- Houstonia lanceolata
- Houstonia longifolia
- Houstonia micrantha
- Houstonia montana
- Houstonia nigricans
- Houstonia ouachitana
- Houstonia parviflora
- Houstonia procumbens
- Houstonia purpurea
- Houstonia pusilla
- Houstonia rosea
- Houstonia rupestris
- Houstonia serpyllifolia
- Houstonia subviscosa
- Houstonia tenuifolia
- Houttuynia cordata
- Hovenia dulcis
- Hudsonia ericoides
- Hudsonia montana
- Hudsonia tomentosa
- Hulteniella integrifolia
- Humulus americanus
- Humulus japonicus
- Humulus lupulus
- Humulus neomexicanus
- Humulus pubescens
- Huperzia ×buttersii
- Huperzia ×josephbeitelii
- Huperzia appressa
- Huperzia arctica
- Huperzia bartleyi
- Huperzia continentalis
- Huperzia lucidula
- Huperzia miyoshiana
- Huperzia porophila
- Huperzia protoporophila
- Huperzia selago
- Hura crepitans
- Hyacinthoides hispanica
- Hyacinthoides nonscripta
- Hyacinthus orientalis
- Hydrangea arborescens
- Hydrangea barbara
- Hydrangea cinerea
- Hydrangea macrophylla
- Hydrangea paniculata
- Hydrangea quercifolia
- Hydrangea radiata
- Hydrastis canadensis
- Hydrilla verticillata
- Hydrocharis morsus-ranae
- Hydrocleys nymphoides
- Hydrocotyle americana
- Hydrocotyle bonariensis
- Hydrocotyle bowlesioides
- Hydrocotyle prolifera
- Hydrocotyle ranunculoides
- Hydrocotyle sibthorpioides
- Hydrocotyle umbellata
- Hydrocotyle verticillata
- Hydrolea capsularis
- Hydrolea corymbosa
- Hydrolea ovata
- Hydrolea quadrivalvis
- Hydrolea spinosa
- Hydrolea uniflora
- Hydrophyllum appendiculatum
- Hydrophyllum brownei
- Hydrophyllum canadense
- Hydrophyllum macrophyllum
- Hydrophyllum virginianum
- Hygrophila corymbosa
- Hygrophila difformis
- Hygrophila lacustris
- Hygrophila polysperma
- Hylodesmum glutinosum
- Hylodesmum nudiflorum
- Hylodesmum pauciflorum
- Hylotelephium erythrostictum
- Hylotelephium telephioides
- Hylotelephium telephium
- Hymenachne amplexicaulis
- Hymenachne hemitomon
- Hymenocallis choctawensis
- Hymenocallis coronaria
- Hymenocallis crassifolia
- Hymenocallis duvalensis
- Hymenocallis franklinensis
- Hymenocallis gholsonii
- Hymenocallis godfreyi
- Hymenocallis henryae
- Hymenocallis latifolia
- Hymenocallis liriosme
- Hymenocallis littoralis
- Hymenocallis occidentalis
- Hymenocallis palmeri
- Hymenocallis puntagordensis
- Hymenocallis pygmaea
- Hymenocallis rotata
- Hymenocallis tridentata
- Hymenopappus artemisiifolius
- Hymenopappus carrii
- Hymenopappus carrizoanus
- Hymenopappus scabiosaeus
- Hymenopappus tenuifolius
- Hymenophyllum tayloriae
- Hymenophyllum tunbrigense
- Hymenoxys anthemoides
- Hymenoxys odorata
- Hymenoxys texana
- Hyoscyamus albus
- Hyoscyamus niger
- Hyparrhenia hirta
- Hyparrhenia rufa
- Hypelate trifoliata
- Hypericum adpressum
- Hypericum androsaemum
- Hypericum apocynifolium
- Hypericum ascyron
- Hypericum boreale
- Hypericum brachyphyllum
- Hypericum buckleyi
- Hypericum calycinum
- Hypericum canadense
- Hypericum chapmanii
- Hypericum cistifolium
- Hypericum crux-andreae
- Hypericum cumulicola
- Hypericum densiflorum
- Hypericum denticulatum
- Hypericum dissimulatum
- Hypericum dolabriforme
- Hypericum drummondii
- Hypericum edisonianum
- Hypericum ellipticum
- Hypericum erythreae
- Hypericum exile
- Hypericum fasciculatum
- Hypericum frondosum
- Hypericum galioides
- Hypericum gentianoides
- Hypericum graveolens
- Hypericum gymnanthum
- Hypericum harperi
- Hypericum hypericoides
- Hypericum interior
- Hypericum kalmianum
- Hypericum limosum
- Hypericum lissophloeus
- Hypericum lloydii
- Hypericum lobocarpum
- Hypericum majus
- Hypericum microsepalum
- Hypericum mitchellianum
- Hypericum mutilum
- Hypericum myrtifolium
- Hypericum nitidum
- Hypericum nudiflorum
- Hypericum pauciflorum
- Hypericum perforatum
- Hypericum prolificum
- Hypericum pseudomaculatum
- Hypericum punctatum
- Hypericum radfordiorum
- Hypericum setosum
- Hypericum sphaerocarpum
- Hypericum stragulum
- Hypericum suffruticosum
- Hypericum swinkianum
- Hypericum tenuifolium
- Hypericum tetrapetalum
- Hypericum virgatum
- Hypochaeris chillensis
- Hypochaeris glabra
- Hypochaeris microcephala
- Hypochaeris radicata
- Hypoestes phyllostachya
- Hypolepis barringtonii
- Hypolepis tenuifolia
- Hypopitys americana
- Hypopitys lanuginosa
- Hypoxis curtissii
- Hypoxis hirsuta
- Hypoxis juncea
- Hypoxis rigida
- Hypoxis sessilis
- Hypoxis wrightii
- Hyptis alata
- Hyptis brevipes
- Hyssopus officinalis
- Iberis amara
- Iberis sempervirens
- Iberis umbellata
- Ibervillea lindheimeri
- Ibicella lutea
- Ilex ambigua
- Ilex amelanchier
- Ilex aquifolium
- Ilex arenicola
- Ilex cassine
- Ilex collina
- Ilex coriacea
- Ilex cornuta
- Ilex crenata
- Ilex curtissii
- Ilex cuthbertii
- Ilex decidua
- Ilex glabra
- Ilex krugiana
- Ilex laevigata
- Ilex longipes
- Ilex montana
- Ilex mucronata
- Ilex myrtifolia
- Ilex opaca
- Ilex verticillata
- Ilex vomitoria
- Iliamna corei
- Iliamna remota
- Illicium floridanum
- Illicium parviflorum
- Impatiens balfourii
- Impatiens balsamina
- Impatiens capensis
- Impatiens glandulifera
- Impatiens pallida
- Impatiens parviflora
- Impatiens walleriana
- Imperata brasiliensis
- Imperata cylindrica
- Imperatoria ostruthium
- Indigofera caroliniana
- Indigofera colutea
- Indigofera decora
- Indigofera hendecaphylla
- Indigofera hirsuta
- Indigofera miniata
- Indigofera oxycarpa
- Indigofera pilosa
- Indigofera spicata
- Indigofera suffruticosa
- Indigofera tinctoria
- Inula helenium
- Inula salacina
- Iodanthus pinnatifidus
- Ionactis linariifolia
- Ionopsis utricularioides
- Ipomoea alba
- Ipomoea aquatica
- Ipomoea asarifolia
- Ipomoea batatas
- Ipomoea brasiliensis
- Ipomoea cairica
- Ipomoea carnea
- Ipomoea coccinea
- Ipomoea cordatotriloba
- Ipomoea hederacea
- Ipomoea hederifolia
- Ipomoea imperati
- Ipomoea indica
- Ipomoea lacunosa
- Ipomoea leptophylla
- Ipomoea leucantha
- Ipomoea macrorhiza
- Ipomoea microdactyla
- Ipomoea multifida
- Ipomoea muricata
- Ipomoea nil
- Ipomoea pandurata
- Ipomoea purpurea
- Ipomoea quamoclit
- Ipomoea rupicola
- Ipomoea sagittata
- Ipomoea setosa
- Ipomoea shumardiana
- Ipomoea tenuissima
- Ipomoea ternifolia
- Ipomoea tricolor
- Ipomoea triloba
- Ipomoea violacea
- Ipomoea wrightii
- Ipomopsis rubra
- Iresine diffusa
- Iresine palmeri
- Iresine rhizomatosa
- Iris brevicaulis
- Iris cristata
- Iris domestica
- Iris ensata
- Iris flexicaulis
- Iris fulva
- Iris germanica
- Iris giganticaerulea
- Iris hexagona
- Iris hookeri
- Iris kimballiae
- Iris lacustris
- Iris pallida
- Iris prismatica
- Iris pseudacorus
- Iris pumila
- Iris sanguinea
- Iris savannarum
- Iris shrevei
- Iris sibirica
- Iris spuria
- Iris tectorum
- Iris tridentata
- Iris verna
- Iris versicolor
- Iris virginica
- Iris xiphium
- Isatis tinctoria
- Isocoma coronopifolia
- Isocoma drummondii
- Isoetes appalachiana
- Isoetes boomii
- Isoetes butleri
- Isoetes chapmanii
- Isoetes echinospora
- Isoetes engelmannii
- Isoetes flaccida
- Isoetes georgiana
- Isoetes graniticola
- Isoetes hyemalis
- Isoetes junciformis
- Isoetes lacustris
- Isoetes louisianensis
- Isoetes mattaponica
- Isoetes melanopoda
- Isoetes melanospora
- Isoetes microvela
- Isoetes mississippiensis
- Isoetes piedmontana
- Isoetes prototypus
- Isoetes riparia
- Isoetes saccharata
- Isoetes septentrionalis
- Isoetes tegetiformans
- Isoetes tennesseensis
- Isoetes texana
- Isoetes tuckermanii
- Isoetes valida
- Isoetes virginica
- Isoetes viridimontana
- Isolepis carinata
- Isolepis cernua
- Isolepis hystrix
- Isolepis pseudosetacea
- Isolepis setacea
- Isotrema macrophyllum
- Isotrema tomentosum
- Isotria medeoloides
- Isotria verticillata
- Itea virginica
- Iva angustifolia
- Iva annua
- Iva asperifolia
- Iva axillaris
- Iva frutescens
- Iva imbricata
- Iva microcephala
- Iva texensis
- Ixeris stolonifera
- Ixora coccinea
- Ixora pavetta
- Jaborosa integrifolia
- Jacaranda mimosifolia
- Jacobaea vulgaris
- Jacquemontia curtissii
- Jacquemontia havanensis
- Jacquemontia pentanthos
- Jacquemontia reclinata
- Jacquemontia tamnifolia
- Jacquemontia verticillata
- Jacquinia arborea
- Jacquinia keyensis
- Jaltomata procumbens
- Jamesianthus alabamensis
- Jasione montana
- Jasminum dichotomum
- Jasminum fluminense
- Jasminum mesnyi
- Jasminum multiflorum
- Jasminum nitidum
- Jasminum nudiflorum
- Jasminum officinale
- Jasminum sambac
- Jatropha cathartica
- Jatropha curcas
- Jatropha dioica
- Jatropha gossypiifolia
- Jatropha integerrima
- Jatropha multifida
- Jefea brevifolia
- Jeffersonia diphylla
- Juglans ailantifolia
- Juglans cinerea
- Juglans major
- Juglans microcarpa
- Juglans nigra
- Juncus acuminatus
- Juncus acutus
- Juncus albescens
- Juncus alpinoarticulatus
- Juncus ambiguus
- Juncus anthelatus
- Juncus arcticus
- Juncus articulatus
- Juncus balticus
- Juncus biflorus
- Juncus biglumis
- Juncus brachycarpus
- Juncus brachycephalus
- Juncus brachyphyllus
- Juncus brevicaudatus
- Juncus bufonius
- Juncus caesariensis
- Juncus canadensis
- Juncus capitatus
- Juncus castaneus
- Juncus compressus
- Juncus conglomeratus
- Juncus coriaceus
- Juncus debilis
- Juncus dichotomus
- Juncus diffusissimus
- Juncus dudleyi
- Juncus effusus
- Juncus elliottii
- Juncus ensifolius
- Juncus fascinatus
- Juncus filiformis
- Juncus filipendulus
- Juncus georgianus
- Juncus gerardi
- Juncus greenei
- Juncus gymnocarpus
- Juncus inflexus
- Juncus interior
- Juncus longii
- Juncus longistylis
- Juncus marginatus
- Juncus megacephalus
- Juncus militaris
- Juncus nodatus
- Juncus nodosus
- Juncus paludosus
- Juncus pelocarpus
- Juncus pervetus
- Juncus polycephalos
- Juncus pylaei
- Juncus ranarius
- Juncus repens
- Juncus roemerianus
- Juncus scirpoides
- Juncus secundus
- Juncus stygius
- Juncus subcaudatus
- Juncus subtilis
- Juncus tenuis
- Juncus texanus
- Juncus torreyi
- Juncus triglumis
- Juncus trigonocarpus
- Juncus validus
- Juncus vaseyi
- Juniperus ashei
- Juniperus communis
- Juniperus conferta
- Juniperus horizontalis
- Juniperus pinchotii
- Juniperus scopulorum
- Juniperus silicicola
- Juniperus virginiana
- Justicia americana
- Justicia angusta
- Justicia brandegeana
- Justicia carnea
- Justicia comata
- Justicia cooleyi
- Justicia crassifolia
- Justicia lanceolata
- Justicia ovata
- Justicia pectoralis
- Justicia pilosella
- Justicia runyonii
- Justicia spicigera
- Justicia turneri
- Kaempferia pulchra
- Kaempferia rotunda
- Kalanchoe blossfeldiana
- Kalanchoe crenata
- Kallstroemia californica
- Kallstroemia hirsutissima
- Kallstroemia maxima
- Kallstroemia parviflora
- Kallstroemia pubescens
- Kalmia angustifolia
- Kalmia buxifolia
- Kalmia carolina
- Kalmia cuneata
- Kalmia hirsuta
- Kalmia latifolia
- Kalmia microphylla
- Kalmia polifolia
- Kalmia procumbens
- Kalopanax septemlobus
- Karwinskia humboldtiana
- Kellochloa brachyantha
- Kellochloa verrucosa
- Kerria japonica
- Khaya senegalensis
- Kickxia elatine
- Kickxia spuria
- Knautia arvensis
- Koanophyllum villosum
- Koeberlinia spinosa
- Koeleria macrantha
- Koeleria spicata
- Koelreuteria bipinnata
- Koelreuteria henryi
- Koelreuteria paniculata
- Koenigia islandica
- Kolkwitzia amabilis
- Kosteletzkya depressa
- Kosteletzkya pentacarpos
- Kosteletzkya smilacifolia
- Krameria lanceolata
- Krameria ramosissima
- Krigia biflora
- Krigia cespitosa
- Krigia dandelion
- Krigia gracilis
- Krigia montana
- Krigia occidentalis
- Krigia virginica
- Krigia wrightii
- Krugiodendron ferreum
- Kummerowia stipulacea
- Kummerowia striata
- Lablab purpureus
- Lachnagrostis filiformis
- Lachnanthes caroliniana
- Lachnocaulon anceps
- Lachnocaulon beyrichianum
- Lachnocaulon digynum
- Lachnocaulon engleri
- Lachnocaulon minus
- Lackeya multiflora
- Lactuca biennis
- Lactuca canadensis
- Lactuca floridana
- Lactuca graminifolia
- Lactuca hirsuta
- Lactuca ludoviciana
- Lactuca saligna
- Lactuca sativa
- Lactuca serriola
- Lactuca terrae-novae
- Lactuca virosa
- Ladeania lanceolata
- Laelia rubescens
- Laennecia coulteri
- Lagascea mollis
- Lagenaria siceraria
- Lagerstroemia indica
- Laguncularia racemosa
- Lagurus ovatus
- Lamium album
- Lamium amplexicaule
- Lamium dissectum
- Lamium galeobdolon
- Lamium maculatum
- Lamium purpureum
- Lamprocapnos spectabilis
- Landoltia punctata
- Lantana achyranthifolia
- Lantana canescens
- Lantana depressa
- Lantana involucrata
- Lantana montevidensis
- Lantana strigocamara
- Lantana urticoides
- Lantana velutina
- Laphangium luteoalbum
- Laportea aestuans
- Laportea canadensis
- Lappula redowskii
- Lappula squarrosa
- Lapsana communis
- Larix decidua
- Larix kaempferi
- Larix laricina
- Larrea tridentata
- Lasiacis divaricata
- Lasiacis ruscifolia
- Lathyrus aphaca
- Lathyrus hirsutus
- Lathyrus hultenii
- Lathyrus japonicus
- Lathyrus latifolius
- Lathyrus ochroleucus
- Lathyrus odoratus
- Lathyrus palustris
- Lathyrus pratensis
- Lathyrus pusillus
- Lathyrus sylvestris
- Lathyrus tuberosus
- Lathyrus venosus
- Launaea intybacea
- Lavatera trimestris
- Leavenworthia alabamica
- Leavenworthia aurea
- Leavenworthia crassa
- Leavenworthia exigua
- Leavenworthia stylosa
- Leavenworthia texana
- Leavenworthia torulosa
- Leavenworthia uniflora
- Lechea cernua
- Lechea deckertii
- Lechea divaricata
- Lechea intermedia
- Lechea lakelae
- Lechea maritima
- Lechea minor
- Lechea mucronata
- Lechea prismatica
- Lechea pulchella
- Lechea racemulosa
- Lechea san-sabeana
- Lechea sessiliflora
- Lechea stricta
- Lechea tenuifolia
- Lechea torreyi
- Leersia hexandra
- Leersia lenticularis
- Leersia monandra
- Leersia oryzoides
- Leersia virginica
- Legousia speculum-veneris
- Leiphaimos parasitica
- Leitneria floridana
- Leitneria pilosa
- Lemna aequinoctialis
- Lemna gibba
- Lemna minor
- Lemna minuta
- Lemna obscura
- Lemna perpusilla
- Lemna trisulca
- Lemna turionifera
- Lemna valdiviana
- Lenophyllum texanum
- Lens culinaris
- Leonotis nepetifolia
- Leontodon hispidus
- Leontodon saxatilis
- Leonurus cardiaca
- Leonurus japonicus
- Lepanthopsis melanantha
- Lepianthes umbellata
- Lepidium africanum
- Lepidium austrinum
- Lepidium bonariense
- Lepidium campestre
- Lepidium chalepense
- Lepidium coronopus
- Lepidium densiflorum
- Lepidium didymum
- Lepidium draba
- Lepidium graminifolium
- Lepidium heterophyllum
- Lepidium lasiocarpum
- Lepidium latifolium
- Lepidium oblongum
- Lepidium perfoliatum
- Lepidium ramosissimum
- Lepidium ruderale
- Lepidium sativum
- Lepidium schinzii
- Lepidium virginicum
- Leptochloa crinita
- Leptochloa digitata
- Leptochloa pluriflora
- Leptochloa virgata
- Leptogramma burksiorum
- Leptoloma arenicola
- Leptoloma cognatum
- Leptoloma pubiflorum
- Leptoloma syrticola
- Leptosiphon androsaceus
- Leptospron adenanthum
- Lepuropetalon spathulatum
- Lespedeza angustifolia
- Lespedeza bicolor
- Lespedeza capitata
- Lespedeza cuneata
- Lespedeza cyrtobotrya
- Lespedeza daurica
- Lespedeza frutescens
- Lespedeza hirta
- Lespedeza leptostachya
- Lespedeza procumbens
- Lespedeza repens
- Lespedeza stuevei
- Lespedeza texana
- Lespedeza thunbergii
- Lespedeza violacea
- Lespedeza virgata
- Lespedeza virginica
- Leucaena leucocephala
- Leucaena pulverulenta
- Leucanthemella serotina
- Leucanthemum lacustre
- Leucanthemum maximum
- Leucanthemum vulgare
- Leucojum aestivum
- Leucojum vernum
- Leucophyllum frutescens
- Leucophysalis grandiflora
- Leucospora multifida
- Leucothoe axillaris
- Leucothoe fontanesiana
- Leucothrinax morrisii
- Levisticum officinale
- Leymus arenarius
- Leymus innovatus
- Leymus mollis
- Leymus racemosus
- Liatris acidota
- Liatris aestivalis
- Liatris aspera
- Liatris bracteata
- Liatris chapmanii
- Liatris cokeri
- Liatris compacta
- Liatris cylindracea
- Liatris cymosa
- Liatris elegans
- Liatris elegantula
- Liatris garberi
- Liatris gholsonii
- Liatris glandulosa
- Liatris gracilis
- Liatris helleri
- Liatris hirsuta
- Liatris laevigata
- Liatris lancifolia
- Liatris ligulistylis
- Liatris microcephala
- Liatris mucronata
- Liatris novae-angliae
- Liatris ohlingerae
- Liatris oligocephala
- Liatris patens
- Liatris pauciflora
- Liatris pilosa
- Liatris provincialis
- Liatris punctata
- Liatris pycnostachya
- Liatris quadriflora
- Liatris savannensis
- Liatris scariosa
- Liatris secunda
- Liatris spicata
- Liatris squarrosa
- Liatris squarrulosa
- Liatris tenuifolia
- Liatris tenuis
- Liatris turgida
- Liatris virgata
- Licaria triandra
- Ligularia dentata
- Ligusticum canadense
- Ligusticum scoticum
- Ligustrum japonicum
- Ligustrum lucidum
- Ligustrum obtusifolium
- Ligustrum ovalifolium
- Ligustrum quihoui
- Ligustrum sinense
- Ligustrum tschonoskii
- Ligustrum vulgare
- Lilaeopsis carolinensis
- Lilaeopsis chinensis
- Lilium canadense
- Lilium catesbaei
- Lilium grayi
- Lilium iridollae
- Lilium lancifolium
- Lilium longiflorum
- Lilium martagon
- Lilium michauxii
- Lilium michiganense
- Lilium philadelphicum
- Lilium philippinense
- Lilium pyrophilum
- Lilium superbum
- Limnobium spongia
- Limnodea arkansana
- Limnophila aromatica
- Limnophila indica
- Limnophila sessiliflora
- Limnosciadium pinnatum
- Limnosciadium pumilum
- Limonium carolinianum
- Limosella aquatica
- Limosella australis
- Linaria bipartita
- Linaria canadensis
- Linaria dalmatica
- Linaria floridana
- Linaria genistifolia
- Linaria maroccana
- Linaria repens
- Linaria spartea
- Linaria texana
- Linaria vulgaris
- Lindera benzoin
- Lindera melissifolia
- Lindera subcoriacea
- Lindernia dubia
- Lindernia grandiflora
- Lindernia monticola
- Lindernia procumbens
- Lindheimera texana
- Linnaea borealis
- Linum alatum
- Linum arenicola
- Linum berlandieri
- Linum bienne
- Linum carteri
- Linum catharticum
- Linum compactum
- Linum curtissii
- Linum elongatum
- Linum floridanum
- Linum grandiflorum
- Linum harperi
- Linum hudsonioides
- Linum imbricatum
- Linum intercursum
- Linum lewisii
- Linum lundellii
- Linum macrocarpum
- Linum medium
- Linum perenne
- Linum pratense
- Linum rigidum
- Linum rupestre
- Linum striatum
- Linum sulcatum
- Linum usitatissimum
- Linum virginianum
- Linum westii
- Lipandra polysperma
- Liparis liliifolia
- Liparis loeselii
- Lippia alba
- Lippia graveolens
- Lippia stoechadifolia
- Liquidambar styraciflua
- Liriodendron tulipifera
- Liriope graminifolia
- Liriope muscari
- Liriope spicata
- Listera auriculata
- Listera australis
- Listera borealis
- Listera convallarioides
- Listera cordata
- Listera smallii
- Lithachne pauciflora
- Lithospermum bejariense
- Lithospermum canescens
- Lithospermum caroliniense
- Lithospermum croceum
- Lithospermum decipiens
- Lithospermum helleri
- Lithospermum incisum
- Lithospermum latifolium
- Lithospermum matamorense
- Lithospermum mirabile
- Lithospermum molle
- Lithospermum occidentale
- Lithospermum officinale
- Lithospermum parviflorum
- Lithospermum subsetosum
- Lithospermum tuberosum
- Lithospermum virginianum
- Litrisa carnosa
- Litsea aestivalis
- Littorella americana
- Livistona chinensis
- Lobelia amoena
- Lobelia apalachicolensis
- Lobelia appendiculata
- Lobelia berlandieri
- Lobelia boykinii
- Lobelia brevifolia
- Lobelia canbyi
- Lobelia cardinalis
- Lobelia chinensis
- Lobelia dortmanna
- Lobelia elongata
- Lobelia feayana
- Lobelia flaccidifolia
- Lobelia floridana
- Lobelia gattingeri
- Lobelia georgiana
- Lobelia glandulosa
- Lobelia homophylla
- Lobelia inflata
- Lobelia kalmii
- Lobelia nuttallii
- Lobelia paludosa
- Lobelia pedunculata
- Lobelia puberula
- Lobelia reverchonii
- Lobelia rogersii
- Lobelia siphilitica
- Lobelia spicata
- Lobularia maritima
- Loeflingia squarrosa
- Logfia minima
- Lolium arundinaceum
- Lolium giganteum
- Lolium perenne
- Lolium persicum
- Lolium pratense
- Lolium rigidum
- Lolium temulentum
- Lomariopsis kunzeana
- Lomatium foeniculaceum
- Lomatogonium rotatum
- Lonchocarpus punctatus
- Lonicera ×purpusii
- Lonicera albiflora
- Lonicera bella
- Lonicera canadensis
- Lonicera dioica
- Lonicera flava
- Lonicera fragrantissima
- Lonicera hirsuta
- Lonicera involucrata
- Lonicera japonica
- Lonicera maackii
- Lonicera minutiflora
- Lonicera morrowii
- Lonicera oblongifolia
- Lonicera reticulata
- Lonicera sempervirens
- Lonicera standishii
- Lonicera tatarica
- Lonicera villosa
- Lonicera xylosteum
- Lophiola aurea
- Lophophora williamsii
- Lorinseria areolata
- Loropetalum chinense
- Lotononis bainesii
- Lotus corniculatus
- Lotus tenuis
- Lotus uliginosus
- Ludwigia alata
- Ludwigia alternifolia
- Ludwigia arcuata
- Ludwigia bonariensis
- Ludwigia brevipes
- Ludwigia curtissii
- Ludwigia decurrens
- Ludwigia erecta
- Ludwigia glandulosa
- Ludwigia grandiflora
- Ludwigia hexapetala
- Ludwigia hirtella
- Ludwigia lanceolata
- Ludwigia leptocarpa
- Ludwigia linearis
- Ludwigia linifolia
- Ludwigia longifolia
- Ludwigia maritima
- Ludwigia microcarpa
- Ludwigia octovalvis
- Ludwigia palustris
- Ludwigia peploides
- Ludwigia peruviana
- Ludwigia pilosa
- Ludwigia polycarpa
- Ludwigia ravenii
- Ludwigia repens
- Ludwigia spathulata
- Ludwigia sphaerocarpa
- Ludwigia suffruticosa
- Ludwigia virgata
- Luffa acutangula
- Luffa aegyptiaca
- Lumnitzera racemosa
- Lunaria annua
- Lunaria rediviva
- Lupinus angustifolius
- Lupinus aridorum
- Lupinus cumulicola
- Lupinus diffusus
- Lupinus luteus
- Lupinus perennis
- Lupinus polycarpus
- Lupinus polyphyllus
- Lupinus subcarnosus
- Lupinus texensis
- Lupinus villosus
- Lupinus westianus
- Luziola bahiensis
- Luziola fluitans
- Luziola peruviana
- Luziola subintegra
- Luzula acuminata
- Luzula bulbosa
- Luzula campestris
- Luzula confusa
- Luzula echinata
- Luzula groenlandica
- Luzula luzuloides
- Luzula multiflora
- Luzula pallidula
- Luzula parviflora
- Luzula spicata
- Luzula wahlenbergii
- Lychnis coronaria
- Lychnis flos-cuculi
- Lycianthes asarifolia
- Lycium barbarum
- Lycium berlandieri
- Lycium carolinianum
- Lycium chinense
- Lycopodiella alopecuroides
- Lycopodiella appressa
- Lycopodiella inundata
- Lycopodiella margueriteae
- Lycopodiella prostrata
- Lycopodiella subappressa
- Lycopodioides apodum
- Lycopodioides braunii
- Lycopodioides ludovicianum
- Lycopodioides uncinatum
- Lycopodioides willdenowii
- Lycopodium clavatum
- Lycopodium lagopus
- Lycopsis arvensis
- Lycopus americanus
- Lycopus amplectens
- Lycopus angustifolius
- Lycopus asper
- Lycopus cokeri
- Lycopus europaeus
- Lycopus laurentianus
- Lycopus rubellus
- Lycopus sherardii
- Lycopus uniflorus
- Lycopus virginicus
- Lycoris radiata
- Lycoris squamigera
- Lygodesmia aphylla
- Lygodesmia juncea
- Lygodesmia texana
- Lygodium japonicum
- Lygodium microphyllum
- Lygodium palmatum
- Lyonia ferruginea
- Lyonia fruticosa
- Lyonia ligustrina
- Lyonia lucida
- Lyonia mariana
- Lysiloma latisiliquum
- Lysiloma sabicu
- Lysimachia asperulifolia
- Lysimachia barystachys
- Lysimachia clethroides
- Lysimachia fraseri
- Lysimachia japonica
- Lysimachia loomisii
- Lysimachia maritima
- Lysimachia nummularia
- Lysimachia producta
- Lysimachia punctata
- Lysimachia quadrifolia
- Lysimachia terrestris
- Lysimachia thyrsiflora
- Lysimachia vulgaris
- Lythrum alatum
- Lythrum californicum
- Lythrum curtissii
- Lythrum flagellare
- Lythrum hyssopifolium
- Lythrum lanceolatum
- Lythrum lineare
- Lythrum salicaria
- Lythrum virgatum
- Maackia buergeri
- Macbridea alba
- Macbridea caroliniana
- Macleaya cordata
- Maclura pomifera
- Maclura tricuspidata
- Macradenia lutescens
- Macranthera flammea
- Macroptilium atropurpureum
- Macroptilium lathyroides
- Macrothelypteris torresiana
- Madia glomerata
- Madia sativa
- Magnolia acuminata
- Magnolia ashei
- Magnolia fraseri
- Magnolia grandiflora
- Magnolia kobus
- Magnolia macrophylla
- Magnolia pyramidata
- Magnolia soulangeana
- Magnolia tripetala
- Magnolia virginiana
- Mahonia aquifolium
- Mahonia bealei
- Mahonia nervosa
- Mahonia repens
- Maianthemum canadense
- Maianthemum racemosum
- Maianthemum stellatum
- Maianthemum trifolium
- Malachra capitata
- Malachra urens
- Malaxis bayardii
- Malaxis brachypoda
- Malaxis spicata
- Malaxis unifolia
- Mallotus japonicus
- Malpighia coccigera
- Malpighia emarginata
- Malpighia glabra
- Malus angustifolia
- Malus baccata
- Malus coronaria
- Malus halliana
- Malus ioensis
- Malus prunifolia
- Malus pumila
- Malus toringo
- Malva alcea
- Malva moschata
- Malva neglecta
- Malva nicaeensis
- Malva parviflora
- Malva pusilla
- Malva sylvestris
- Malva verticillata
- Malvastrum americanum
- Malvastrum aurantiacum
- Malvastrum corchorifolium
- Malvastrum coromandelianum
- Malvastrum hispidum
- Malvaviscus arboreus
- Malvaviscus drummondii
- Malvaviscus penduliflorus
- Malvella sagittifolia
- Mammillaria heyderi
- Mammillaria prolifera
- Mammillaria sphaerica
- Mangifera indica
- Manihot esculenta
- Manihot grahamii
- Manihot subspicata
- Manihot walkerae
- Manilkara jaimiqui
- Manilkara zapota
- Maranta arundinacea
- Margaranthus solanaceus
- Marrubium vulgare
- Marshallia angustifolia
- Marshallia caespitosa
- Marshallia graminifolia
- Marshallia grandiflora
- Marshallia legrandii
- Marshallia mohrii
- Marshallia obovata
- Marshallia ramosa
- Marshallia trinervia
- Marsilea ancyclopoda
- Marsilea hirsuta
- Marsilea macropoda
- Marsilea minuta
- Marsilea mutica
- Marsilea oligospora
- Marsilea quadrifolia
- Marsilea vestita
- Matelea alabamensis
- Matelea baldwyniana
- Matelea biflora
- Matelea carolinensis
- Matelea decipiens
- Matelea edwardsensis
- Matelea flavidula
- Matelea floridana
- Matelea hirtelliflora
- Matelea maritima
- Matelea obliqua
- Matelea radiata
- Matelea reticulata
- Matelea sagittifolia
- Matelea woodsonii
- Matricaria chamomilla
- Matricaria discoidea
- Matteuccia struthiopteris
- Matthiola incana
- Matthiola longipetala
- Maurandella antirrhiniflora
- Maurandya barclaiana
- Mayaca aubletii
- Mayaca fluviatilis
- Mazus miquelii
- Mazus pumilus
- Mecardonia acuminata
- Mecardonia procumbens
- Medeola virginiana
- Medicago arabica
- Medicago laciniata
- Medicago littoralis
- Medicago lupulina
- Medicago minima
- Medicago orbicularis
- Medicago polymorpha
- Medicago sativa
- Medranoa palmeri
- Meehania cordata
- Megathyrsus maximus
- Melaleuca citrina
- Melaleuca linariifolia
- Melaleuca quinquenervia
- Melaleuca viminalis
- Melampodium cinereum
- Melampodium divaricatum
- Melampodium leucanthum
- Melampyrum lineare
- Melanthera angustifolia
- Melanthera nivea
- Melanthera parvifolia
- Melanthium hybridum
- Melanthium parviflorum
- Melanthium virginicum
- Melanthium woodii
- Melastoma malabathricum
- Melia azedarach
- Melica mutica
- Melica nitens
- Melica smithii
- Melicoccus bijugatus
- Melilotus albus
- Melilotus indicus
- Melilotus officinalis
- Melilotus sulcatus
- Melinis minutiflora
- Melinis repens
- Melissa officinalis
- Melochia corchorifolia
- Melochia nodiflora
- Melochia pyramidata
- Melochia tomentosa
- Melochia villosa
- Melothria pendula
- Meniscium reticulatum
- Meniscium serratum
- Menispermum canadense
- Menodora heterophylla
- Menodora longiflora
- Mentha aquatica
- Mentha arvensis
- Mentha canadensis
- Mentha gracilis
- Mentha longifolia
- Mentha piperita
- Mentha pulegium
- Mentha rotundifolia
- Mentha spicata
- Mentha suaveolens
- Mentha verticillata
- Mentha villosa
- Mentzelia albescens
- Mentzelia decapetala
- Mentzelia floridana
- Mentzelia hispida
- Mentzelia incisa
- Mentzelia lindheimeri
- Mentzelia nuda
- Mentzelia oligosperma
- Mentzelia reverchonii
- Menyanthes trifoliata
- Mercurialis annua
- Mertensia maritima
- Mertensia paniculata
- Mertensia virginica
- Mesadenus lucayanus
- Mesosphaerum pectinatum
- Metastelma barbigerum
- Metastelma blodgettii
- Metastelma northropiae
- Metopium toxiferum
- Meximalva filipes
- Mibora minima
- Micranthemum umbrosum
- Micranthes careyana
- Micranthes caroliniana
- Micranthes foliolosa
- Micranthes forbesii
- Micranthes gaspensis
- Micranthes micranthidifolia
- Micranthes palmeri
- Micranthes pensylvanica
- Micranthes petiolaris
- Micranthes stellaris
- Micranthes texana
- Micranthes virginiensis
- Microgramma heterophylla
- Microgramma nitida
- Microstachys corniculata
- Microstegium vimineum
- Mikania batatifolia
- Mikania cordifolia
- Mikania scandens
- Milium effusum
- Millettia pinnata
- Mimosa aculeaticarpa
- Mimosa asperata
- Mimosa borealis
- Mimosa floridana
- Mimosa hystricina
- Mimosa latidens
- Mimosa malacophylla
- Mimosa microphylla
- Mimosa monclovensis
- Mimosa nuttallii
- Mimosa pellita
- Mimosa pudica
- Mimosa roemeriana
- Mimosa strigillosa
- Mimosa texana
- Mimulus alatus
- Mimulus ringens
- Mimusops coriacea
- Mimusops elengi
- Mirabilis albida
- Mirabilis austrotexana
- Mirabilis gigantea
- Mirabilis jalapa
- Mirabilis latifolia
- Mirabilis linearis
- Mirabilis nyctaginea
- Miscanthus sacchariflorus
- Miscanthus sinensis
- Misopates orontium
- Mitchella repens
- Mitella diphylla
- Mitella nuda
- Mitella prostrata
- Mitracarpus hirtus
- Mitreola angustifolia
- Mitreola petiolata
- Mitreola sessilifolia
- Mnesithea cylindrica
- Mnesithea granularis
- Mnesithea rugosa
- Mnesithea tessellata
- Mnesithea tuberculosa
- Modiola caroliniana
- Moehringia lateriflora
- Moehringia macrophylla
- Moenchia erecta
- Molinia caerulea
- Mollugo verticillata
- Momordica balsamina
- Momordica charantia
- Monarda austroappalachiana
- Monarda bradburiana
- Monarda brevis
- Monarda citriodora
- Monarda clinopodia
- Monarda clinopodioides
- Monarda didyma
- Monarda fistulosa
- Monarda fruticulosa
- Monarda lindheimeri
- Monarda luteola
- Monarda maritima
- Monarda media
- Monarda pectinata
- Monarda punctata
- Monarda russeliana
- Monarda stanfieldii
- Monarda stipitatoglandulosa
- Monarda viridissima
- Moneses uniflora
- Monolepis nuttalliana
- Mononeuria caroliniana
- Mononeuria cumberlandensis
- Mononeuria glabra
- Mononeuria groenlandica
- Mononeuria minima
- Mononeuria muscorum
- Mononeuria nuttallii
- Mononeuria paludicola
- Mononeuria patula
- Mononeuria uniflora
- Monotropa brittonii
- Monotropa uniflora
- Monotropsis odorata
- Monotropsis reynoldsiae
- Monstera deliciosa
- Montia chamissoi
- Montia fontana
- Montia linearis
- Moorochloa eruciformis
- Moranopteris nimbata
- Morella caroliniensis
- Morella cerifera
- Morella inodora
- Morella pensylvanica
- Morella pumila
- Morinda citrifolia
- Morinda royoc
- Moringa oleifera
- Mortonia greggii
- Morus alba
- Morus microphylla
- Morus nigra
- Morus rubra
- Mosiera longipes
- Mosla dianthera
- Mucuna macrocarpa
- Mucuna pruriens
- Mucuna sloanei
- Muhlenbergia alopecuroides
- Muhlenbergia asperifolia
- Muhlenbergia bushii
- Muhlenbergia capillaris
- Muhlenbergia cuspidata
- Muhlenbergia emersleyi
- Muhlenbergia expansa
- Muhlenbergia frondosa
- Muhlenbergia glabrifloris
- Muhlenbergia glomerata
- Muhlenbergia lindheimeri
- Muhlenbergia mexicana
- Muhlenbergia phleoides
- Muhlenbergia porteri
- Muhlenbergia racemosa
- Muhlenbergia reverchonii
- Muhlenbergia richardsonis
- Muhlenbergia schreberi
- Muhlenbergia sericea
- Muhlenbergia sobolifera
- Muhlenbergia sylvatica
- Muhlenbergia tenuiflora
- Muhlenbergia torreyana
- Muhlenbergia uniflora
- Muhlenbergia utilis
- Mulgedium pulchellum
- Muntingia calabura
- Murdannia keisak
- Murdannia nudiflora
- Murdannia spirata
- Murraya exotica
- Musa acuminata
- Musa paradisiaca
- Muscadinia rotundifolia
- Muscari armeniacum
- Muscari botryoides
- Muscari comosum
- Muscari neglectum
- Myagrum perfoliatum
- Mycelis muralis
- Myosotis arvensis
- Myosotis discolor
- Myosotis laxa
- Myosotis macrosperma
- Myosotis scorpioides
- Myosotis stricta
- Myosotis sylvatica
- Myosotis verna
- Myosurus minimus
- Myrcia neopallens
- Myrcia zuzygium
- Myrcianthes fragrans
- Myrica gale
- Myriophyllum alterniflorum
- Myriophyllum aquaticum
- Myriophyllum farwellii
- Myriophyllum heterophyllum
- Myriophyllum humile
- Myriophyllum laxum
- Myriophyllum pinnatum
- Myriophyllum sibiricum
- Myriophyllum spicatum
- Myriophyllum tenellum
- Myriophyllum verticillatum
- Myriopteris aemula
- Myriopteris alabamensis
- Myriopteris gracilis
- Myriopteris lanosa
- Myriopteris lindheimeri
- Myriopteris microphylla
- Myriopteris rufa
- Myriopteris scabra
- Myriopteris tomentosa
- Myriopus poliochros
- Myriopus volubilis
- Myrrhis odorata
- Myrsine cubana
- Myzorrhiza ludoviciana
- Myzorrhiza multiflora
- Myzorrhiza riparia
- Nabalus albus
- Nabalus altissimus
- Nabalus asper
- Nabalus autumnalis
- Nabalus barbatus
- Nabalus boottii
- Nabalus crepidineus
- Nabalus cylindricus
- Nabalus racemosus
- Nabalus roanensis
- Nabalus serpentarius
- Nabalus trifoliolatus
- Najas canadensis
- Najas filifolia
- Najas flexilis
- Najas gracillima
- Najas guadalupensis
- Najas marina
- Najas minor
- Najas wrightiana
- Nama berlandieri
- Nama hispidum
- Nama jamaicense
- Nama parvifolium
- Nama stenocarpum
- Nandina domestica
- Napaea dioica
- Narcissus bulbocodium
- Narcissus incomparabilis
- Narcissus intermedius
- Narcissus jonquilla
- Narcissus medioluteus
- Narcissus odorus
- Narcissus papyraceus
- Narcissus poeticus
- Narcissus pseudonarcissus
- Narcissus tazetta
- Nardus stricta
- Narthecium americanum
- Narthecium montanum
- Nassella leucotricha
- Nassella manicata
- Nassella neesiana
- Nassella trichotoma
- Nasturtium floridanum
- Nasturtium microphyllum
- Nasturtium officinale
- Navarretia propinqua
- Neillia incisa
- Nekemias arborea
- Nekemias megalophylla
- Nelsonia canescens
- Nelumbo lutea
- Nelumbo nucifera
- Nemastylis floridana
- Nemastylis geminiflora
- Nemastylis nuttallii
- Nemophila aphylla
- Nemophila maculata
- Nemophila menziesii
- Nemophila phacelioides
- Nemophila sayersensis
- Neonotonia wightii
- Nepeta cataria
- Nephrolepis averyi
- Nephrolepis biserrata
- Nephrolepis brownii
- Nephrolepis cordifolia
- Nephrolepis exaltata
- Nephrolepis hirsutula
- Neptunia lutea
- Neptunia microcarpa
- Neptunia oleracea
- Neptunia plena
- Neptunia pubescens
- Nerisyrenia camporum
- Nerium oleander
- Nesaea longipes
- Neslia paniculata
- Nestronia umbellula
- Neviusia alabamensis
- Neyraudia reynaudiana
- Nicandra physalodes
- Nicotiana alata
- Nicotiana glauca
- Nicotiana longiflora
- Nicotiana obtusifolia
- Nicotiana plumbaginifolia
- Nicotiana repanda
- Nicotiana rustica
- Nicotiana tabacum
- Nierembergia linariifolia
- Nierembergia scoparia
- Nigella damascena
- Nipponanthemum nipponicum
- Noccaea perfoliata
- Nolina atopocarpa
- Nolina brittoniana
- Nolina georgiana
- Nolina lindheimeriana
- Nolina texana
- Nonea rosea
- Noronhia emarginata
- Nothocalais cuspidata
- Notholaena nealleyi
- Nothoscordum bivalve
- Nothoscordum gracile
- Nuphar advena
- Nuphar microphylla
- Nuphar orbiculata
- Nuphar ozarkana
- Nuphar rubrodisca
- Nuphar sagittifolia
- Nuphar ulvacea
- Nuphar variegata
- Nyctaginia capitata
- Nymphaea ampla
- Nymphaea capensis
- Nymphaea elegans
- Nymphaea jamesoniana
- Nymphaea leibergii
- Nymphaea lotus
- Nymphaea mexicana
- Nymphaea odorata
- Nymphoides aquatica
- Nymphoides cordata
- Nymphoides cristata
- Nymphoides grayana
- Nymphoides humboldtiana
- Nymphoides indica
- Nymphoides peltata
- Nyssa aquatica
- Nyssa biflora
- Nyssa ogeche
- Nyssa sylvatica
- Nyssa ursina
- Obolaria virginica
- Ochna atropurpurea
- Ochna serrulata
- Ochrosia elliptica
- Ocimum basilicum
- Ocimum campechianum
- Oclemena acuminata
- Oclemena nemoralis
- Oclemena reticulata
- Odontites vulgaris
- Odontonema cuspidatum
- Oeceoclades maculata
- Oenanthe aquatica
- Oenanthe javanica
- Oenothera argillicola
- Oenothera biennis
- Oenothera capillifolia
- Oenothera cinerea
- Oenothera clelandii
- Oenothera curtiflora
- Oenothera curtissii
- Oenothera demareei
- Oenothera drummondii
- Oenothera elata
- Oenothera falfurriae
- Oenothera filiformis
- Oenothera filipes
- Oenothera fruticosa
- Oenothera gaura
- Oenothera glaucifolia
- Oenothera glazioviana
- Oenothera grandiflora
- Oenothera grandis
- Oenothera hartwegii
- Oenothera heterophylla
- Oenothera hispida
- Oenothera humifusa
- Oenothera jamesii
- Oenothera kunthiana
- Oenothera laciniata
- Oenothera lindheimeri
- Oenothera linifolia
- Oenothera macrocarpa
- Oenothera mckelveyae
- Oenothera mexicana
- Oenothera nutans
- Oenothera nuttallii
- Oenothera oakesiana
- Oenothera parviflora
- Oenothera patriciae
- Oenothera perennis
- Oenothera pilosella
- Oenothera rhombipetala
- Oenothera riparia
- Oenothera rosea
- Oenothera serrulata
- Oenothera sessilis
- Oenothera simulans
- Oenothera sinuosa
- Oenothera spachiana
- Oenothera speciosa
- Oenothera suffrutescens
- Oenothera suffulta
- Oenothera tetragona
- Oenothera tetraptera
- Oenothera triangulata
- Oenothera triloba
- Oenothera unguiculata
- Oenothera villosa
- Okenia hypogaea
- Oldenlandia boscii
- Oldenlandia corymbosa
- Oldenlandia salzmannii
- Oldenlandiopsis callitrichoides
- Oligomeris linifolia
- Oloptum miliaceum
- Omalotheca norvegica
- Omalotheca supina
- Omalotheca sylvatica
- Oncidium ensatum
- Oncoba spinosa
- Onobrychis viciifolia
- Onoclea sensibilis
- Ononis repens
- Ononis spinosa
- Onopordum acanthium
- Operculina pinnatifida
- Ophioderma pendulum
- Ophioglossum crotalophoroides
- Ophioglossum engelmannii
- Ophioglossum nudicaule
- Ophioglossum petiolatum
- Ophioglossum pusillum
- Ophioglossum pycnostichum
- Ophiopogon jaburan
- Ophiopogon japonicus
- Oplismenus burmannii
- Oplismenus setarius
- Oplismenus undulatifolius
- Oplopanax horridus
- Opuntia abjecta
- Opuntia aciculata
- Opuntia atrispina
- Opuntia austrina
- Opuntia cespitosa
- Opuntia cochenillifera
- Opuntia cymochila
- Opuntia drummondii
- Opuntia ellisiana
- Opuntia engelmannii
- Opuntia ficus-indica
- Opuntia fragilis
- Opuntia humifusa
- Opuntia leucotricha
- Opuntia macrorhiza
- Opuntia mesacantha
- Opuntia monacantha
- Opuntia nemoralis
- Opuntia ochrocentra
- Opuntia phaeacantha
- Opuntia polyacantha
- Opuntia stricta
- Orbexilum lupinellus
- Orbexilum macrophyllum
- Orbexilum onobrychis
- Orbexilum pedunculatum
- Orbexilum psoralioides
- Orbexilum simplex
- Orbexilum stipulatum
- Orbexilum virgatum
- Oreojuncus trifidus
- Origanum majorana
- Origanum vulgare
- Ornithogalum nutans
- Ornithogalum umbellatum
- Orobanche minor
- Orontium aquaticum
- Orthilia secunda
- Orthocarpus luteus
- Orthochilus ecristatus
- Orthosia scoparia
- Orychophragmus violaceus
- Oryza rufipogon
- Oryza sativa
- Oryzopsis asperifolia
- Osmanthus fortunei
- Osmanthus heterophyllus
- Osmorhiza berteroi
- Osmorhiza claytonii
- Osmorhiza depauperata
- Osmorhiza longistylis
- Osmunda spectabilis
- Osmundastrum cinnamomeum
- Ostrya knowltonii
- Ostrya virginiana
- Ottelia alismoides
- Oxalis articulata
- Oxalis brasiliensis
- Oxalis colorea
- Oxalis corniculata
- Oxalis debilis
- Oxalis dichondrifolia
- Oxalis dillenii
- Oxalis drummondii
- Oxalis florida
- Oxalis frutescens
- Oxalis grandis
- Oxalis hispidula
- Oxalis illinoensis
- Oxalis intermedia
- Oxalis macrantha
- Oxalis montana
- Oxalis neaei
- Oxalis stricta
- Oxalis texana
- Oxalis triangularis
- Oxalis violacea
- Oxybasis glauca
- Oxybasis macrosperma
- Oxybasis rubra
- Oxybasis urbica
- Oxydendrum arboreum
- Oxypolis rigidior
- Oxypolis ternata
- Oxyria digyna
- Oxytropis borealis
- Oxytropis campestris
- Oxytropis deflexa
- Oxytropis lambertii
- Oxytropis maydelliana
- Oxytropis podocarpa
- Oxytropis splendens
- Pachyrhizus erosus
- Pachysandra procumbens
- Pachysandra terminalis
- Packera ×memmingeri
- Packera anonyma
- Packera antennariifolia
- Packera aurea
- Packera cana
- Packera crawfordii
- Packera glabella
- Packera heterophylla
- Packera indecora
- Packera millefolium
- Packera obovata
- Packera pauciflora
- Packera paupercula
- Packera plattensis
- Packera pseudaurea
- Packera schweinitziana
- Packera serpenticola
- Packera tampicana
- Packera tomentosa
- Paederia cruddasiana
- Paederia foetida
- Paeonia lactiflora
- Paeonia officinalis
- Palafoxia callosa
- Palafoxia feayi
- Palafoxia hookeriana
- Palafoxia integrifolia
- Palafoxia reverchonii
- Palafoxia rosea
- Palafoxia sphacelata
- Palafoxia texana
- Palhinhaea cernua
- Paliurus spina-christi
- Panax quinquefolius
- Panax trifolius
- Pandanus odorifer
- Panicum amarum
- Panicum antidotale
- Panicum bergii
- Panicum bisulcatum
- Panicum capillare
- Panicum capillarioides
- Panicum coloratum
- Panicum dichotomiflorum
- Panicum diffusum
- Panicum flexile
- Panicum hallii
- Panicum hillmanii
- Panicum hirsutum
- Panicum lacustre
- Panicum miliaceum
- Panicum paludosum
- Panicum philadelphicum
- Panicum repens
- Panicum trichoides
- Panicum virgatum
- Panphalea heterophylla
- Papaver argemone
- Papaver dubium
- Papaver hybridum
- Papaver orientale
- Papaver rhoeas
- Papaver somniferum
- Pappophorum bicolor
- Pappophorum vaginatum
- Parapholis incurva
- Parathelypteris noveboracensis
- Parietaria floridana
- Parietaria judaica
- Parietaria pensylvanica
- Parietaria praetermissa
- Parkinsonia aculeata
- Parkinsonia texana
- Parnassia asarifolia
- Parnassia caroliniana
- Parnassia glauca
- Parnassia grandifolia
- Parnassia kotzebuei
- Parnassia palustris
- Parnassia parviflora
- Paronychia americana
- Paronychia argyrocoma
- Paronychia baldwinii
- Paronychia canadensis
- Paronychia chartacea
- Paronychia congesta
- Paronychia discoveryi
- Paronychia drummondii
- Paronychia erecta
- Paronychia fastigiata
- Paronychia herniarioides
- Paronychia jamesii
- Paronychia jonesii
- Paronychia lindheimeri
- Paronychia montana
- Paronychia patula
- Paronychia rugelii
- Paronychia setacea
- Paronychia virginica
- Parthenium auriculatum
- Parthenium confertum
- Parthenium hispidum
- Parthenium hysterophorus
- Parthenium integrifolium
- Parthenocissus heptaphylla
- Parthenocissus inserta
- Parthenocissus quinquefolia
- Parthenocissus tricuspidata
- Pascalia glauca
- Pascopyrum smithii
- Paspalidium geminatum
- Paspalum acuminatum
- Paspalum almum
- Paspalum arundinaceum
- Paspalum bifidum
- Paspalum blodgettii
- Paspalum boscianum
- Paspalum caespitosum
- Paspalum conjugatum
- Paspalum conspersum
- Paspalum convexum
- Paspalum coryphaeum
- Paspalum denticulatum
- Paspalum dilatatum
- Paspalum dissectum
- Paspalum distichum
- Paspalum fimbriatum
- Paspalum floridanum
- Paspalum fluitans
- Paspalum hartwegianum
- Paspalum intermedium
- Paspalum laeve
- Paspalum langei
- Paspalum laxum
- Paspalum malacophyllum
- Paspalum minus
- Paspalum monostachyum
- Paspalum nicorae
- Paspalum notatum
- Paspalum paniculatum
- Paspalum plicatulum
- Paspalum praecox
- Paspalum pubiflorum
- Paspalum quadrifarium
- Paspalum racemosum
- Paspalum scrobiculatum
- Paspalum setaceum
- Paspalum unispicatum
- Paspalum urvillei
- Paspalum vaginatum
- Paspalum virgatum
- Paspalum wrightii
- Passiflora affinis
- Passiflora biflora
- Passiflora caerulea
- Passiflora ciliata
- Passiflora edulis
- Passiflora filipes
- Passiflora foetida
- Passiflora gracilis
- Passiflora incarnata
- Passiflora lutea
- Passiflora miniata
- Passiflora morifolia
- Passiflora multiflora
- Passiflora pallens
- Passiflora pallida
- Passiflora sexflora
- Passiflora suberosa
- Passiflora tenuiloba
- Passiflora vitifolia
- Pastinaca sativa
- Patis racemosa
- Pattalias palustre
- Paulownia tomentosa
- Pavonia hastata
- Pavonia lasiopetala
- Pavonia paludicola
- Pavonia spinifex
- Paxistima canbyi
- Paysonia auriculata
- Paysonia densipila
- Paysonia grandiflora
- Paysonia lasiocarpa
- Paysonia lescurii
- Paysonia lyrata
- Paysonia perforata
- Paysonia stonensis
- Pecluma dispersa
- Pecluma pectinata
- Pecluma plumula
- Pecluma ptilodon
- Pectis angustifolia
- Pectis glaucescens
- Pectis humifusa
- Pectis linearifolia
- Pectis prostrata
- Pedicularis albolabiata
- Pedicularis canadensis
- Pedicularis capitata
- Pedicularis flammea
- Pedicularis furbishiae
- Pedicularis groenlandica
- Pedicularis hirsuta
- Pedicularis labradorica
- Pedicularis lanata
- Pedicularis lanceolata
- Pedicularis lapponica
- Pedicularis palustris
- Pedicularis parviflora
- Pedicularis sylvatica
- Pediomelum argophyllum
- Pediomelum canescens
- Pediomelum cuspidatum
- Pediomelum cyphocalyx
- Pediomelum digitatum
- Pediomelum esculentum
- Pediomelum hypogaeum
- Pediomelum latestipulatum
- Pediomelum linearifolium
- Pediomelum piedmontanum
- Pediomelum reverchonii
- Pediomelum rhombifolium
- Pediomelum subacaule
- Pediomelum tenuiflorum
- Pelexia adnata
- Pellaea atropurpurea
- Pellaea glabella
- Pellaea ovata
- Pellaea ternifolia
- Pellaea viridis
- Pellaea wrightiana
- Peltandra sagittifolia
- Peltandra virginica
- Peltophorum dubium
- Peltophorum pterocarpum
- Pennisetum polystachion
- Penstemon albidus
- Penstemon alluviorum
- Penstemon arkansanus
- Penstemon australis
- Penstemon brevisepalus
- Penstemon calycosus
- Penstemon canescens
- Penstemon cobaea
- Penstemon deamii
- Penstemon digitalis
- Penstemon dissectus
- Penstemon fendleri
- Penstemon gracilis
- Penstemon grandiflorus
- Penstemon guadalupensis
- Penstemon hirsutus
- Penstemon kralii
- Penstemon laevigatus
- Penstemon laxiflorus
- Penstemon multicaulis
- Penstemon multiflorus
- Penstemon murrayanus
- Penstemon oklahomensis
- Penstemon pallidus
- Penstemon smallii
- Penstemon tenuiflorus
- Penstemon tenuis
- Penstemon triflorus
- Penstemon tubaeflorus
- Pentalinon luteum
- Pentas lanceolata
- Penthorum sedoides
- Pentodon pentandrus
- Peperomia alata
- Peperomia amplexicaulis
- Peperomia glabella
- Peperomia humilis
- Peperomia magnoliifolia
- Peperomia obtusifolia
- Peperomia pellucida
- Peperomia rotundifolia
- Pereskia aculeata
- Pereskia grandifolia
- Perezia multiflora
- Perideridia americana
- Perilla frutescens
- Peripleura arida
- Periploca graeca
- Peritoma serrulata
- Perityle lindheimeri
- Persea americana
- Persea borbonia
- Persea humilis
- Persea palustris
- Persicaria amphibia
- Persicaria arifolia
- Persicaria bicornis
- Persicaria capitata
- Persicaria careyi
- Persicaria chinensis
- Persicaria coccinea
- Persicaria densiflora
- Persicaria extremiorientalis
- Persicaria filiformis
- Persicaria hirsuta
- Persicaria hydropiper
- Persicaria hydropiperoides
- Persicaria lapathifolia
- Persicaria longiseta
- Persicaria maculosa
- Persicaria meisneriana
- Persicaria minor
- Persicaria nepalensis
- Persicaria orientalis
- Persicaria pensylvanica
- Persicaria perfoliata
- Persicaria posumbu
- Persicaria punctata
- Persicaria puritanorum
- Persicaria robustior
- Persicaria sagittata
- Persicaria setacea
- Persicaria virginiana
- Persicaria wallichii
- Petasites frigidus
- Petasites hybridus
- Petasites japonicus
- Petitia domingensis
- Petiveria alliacea
- Petrea volubilis
- Petrorhagia dubia
- Petrorhagia prolifera
- Petrorhagia saxifraga
- Petroselinum crispum
- Petunia ×atkinsiana
- Petunia axillaris
- Petunia integrifolia
- Peucedanum palustre
- Phacelia austrotexana
- Phacelia bipinnatifida
- Phacelia congesta
- Phacelia covillei
- Phacelia dubia
- Phacelia fimbriata
- Phacelia franklinii
- Phacelia gilioides
- Phacelia glabra
- Phacelia hirsuta
- Phacelia laxa
- Phacelia maculata
- Phacelia patuliflora
- Phacelia purshii
- Phacelia ranunculacea
- Phacelia robusta
- Phacelia strictiflora
- Phacelia tanacetifolia
- Phaius tancarvilleae
- Phalaris angusta
- Phalaris aquatica
- Phalaris arundinacea
- Phalaris brachystachys
- Phalaris canariensis
- Phalaris caroliniana
- Phalaris minor
- Phalaris paradoxa
- Phanera yunnanensis
- Phanopyrum gymnocarpon
- Pharus lappulaceus
- Phaseolus coccineus
- Phaseolus lunatus
- Phaseolus polystachios
- Phaseolus sinuatus
- Phaseolus smilacifolius
- Phaseolus vulgaris
- Phaulothamnus spinescens
- Phedimus spurius
- Phegopteris connectilis
- Phegopteris decursive-pinnata
- Phegopteris excelsior
- Phegopteris hexagonoptera
- Phelipanche ramosa
- Phellodendron amurense
- Phemeranthus aurantiacus
- Phemeranthus calcaricus
- Phemeranthus calycinus
- Phemeranthus mengesii
- Phemeranthus parviflorus
- Phemeranthus piedmontanus
- Phemeranthus rugospermus
- Phemeranthus teretifolius
- Philadelphus coronarius
- Philadelphus hirsutus
- Philadelphus inodorus
- Philadelphus pubescens
- Philodendron hederaceum
- Philydrum lanuginosum
- Phippsia algida
- Phippsia concinna
- Phlebodium aureum
- Phlegmariurus dichotomus
- Phleum alpinum
- Phleum arenarium
- Phleum pratense
- Phleum subulatum
- Phlox amoena
- Phlox amplifolia
- Phlox bifida
- Phlox buckleyi
- Phlox carolina
- Phlox cuspidata
- Phlox divaricata
- Phlox drummondii
- Phlox floridana
- Phlox glaberrima
- Phlox glabriflora
- Phlox lighthipei
- Phlox longipilosa
- Phlox maculata
- Phlox nivalis
- Phlox oklahomensis
- Phlox ovata
- Phlox paniculata
- Phlox pilosa
- Phlox pulcherrima
- Phlox pulchra
- Phlox roemeriana
- Phlox stolonifera
- Phlox subulata
- Phoebanthus grandiflorus
- Phoebanthus tenuifolius
- Phoenix canariensis
- Phoenix dactylifera
- Phoenix reclinata
- Phoradendron leucarpum
- Phoradendron rubrum
- Photinia serratifolia
- Phragmites americanus
- Phragmites australis
- Phragmites karka
- Phravenia viereckii
- Phryma leptostachya
- Phyla cuneifolia
- Phyla fruticosa
- Phyla lanceolata
- Phyla nodiflora
- Phyllanthopsis phyllanthoides
- Phyllanthus abnormis
- Phyllanthus acidus
- Phyllanthus amarus
- Phyllanthus angustifolius
- Phyllanthus caroliniensis
- Phyllanthus debilis
- Phyllanthus evanescens
- Phyllanthus fluitans
- Phyllanthus fraternus
- Phyllanthus lathyroides
- Phyllanthus liebmannianus
- Phyllanthus niruri
- Phyllanthus pentaphyllus
- Phyllanthus polygonoides
- Phyllanthus saxicola
- Phyllanthus tenellus
- Phyllanthus urinaria
- Phyllanthus warnockii
- Phyllodoce caerulea
- Phyllostachys aurea
- Phyllostachys aureosulcata
- Phyllostachys bambusoides
- Phyllostachys bissettii
- Phyllostachys dulcis
- Phyllostachys heterocycla
- Phyllostachys meyeri
- Phyllostachys nigra
- Phyllostachys rubromarginata
- Phyllostachys sulphurea
- Phymatosorus grossus
- Physalis acutifolia
- Physalis angulata
- Physalis angustifolia
- Physalis arenicola
- Physalis cinerascens
- Physalis cordata
- Physalis elliottii
- Physalis grisea
- Physalis hederifolia
- Physalis heterophylla
- Physalis lanceolata
- Physalis longifolia
- Physalis macrosperma
- Physalis minima
- Physalis missouriensis
- Physalis mollis
- Physalis peruviana
- Physalis philadelphica
- Physalis pubescens
- Physalis pumila
- Physalis virginiana
- Physalis viscosa
- Physalis walteri
- Physaria angustifolia
- Physaria arctica
- Physaria argyraea
- Physaria densiflora
- Physaria engelmannii
- Physaria fendleri
- Physaria filiformis
- Physaria globosa
- Physaria gordonii
- Physaria gracilis
- Physaria lindheimeri
- Physaria ludoviciana
- Physaria ovalifolia
- Physaria pallida
- Physaria recurvata
- Physaria sessilis
- Physaria thamnophila
- Physematium oreganum
- Physocarpus opulifolius
- Physostegia angustifolia
- Physostegia correllii
- Physostegia digitalis
- Physostegia godfreyi
- Physostegia intermedia
- Physostegia leptophylla
- Physostegia longisepala
- Physostegia parviflora
- Physostegia pulchella
- Physostegia purpurea
- Physostegia virginiana
- Phytolacca americana
- Phytolacca rigida
- Picea abies
- Picea glauca
- Picea mariana
- Picea pungens
- Picea rubens
- Picramnia pentandra
- Picris hieracioides
- Pieris floribunda
- Pieris japonica
- Pieris phillyreifolia
- Pilea fontana
- Pilea herniarioides
- Pilea involucrata
- Pilea microphylla
- Pilea nummulariifolia
- Pilea pumila
- Pilea trianthemoides
- Piloblephis rigida
- Pilosella aurantiaca
- Pilosella caespitosa
- Pilosella flagellaris
- Pilosella floribunda
- Pilosella officinarum
- Pilosella piloselloides
- Pilosella praealta
- Pilosocereus polygonus
- Pilosocereus robinii
- Pilostyles thurberi
- Pilularia americana
- Pimenta dioica
- Pimpinella anisum
- Pimpinella saxifraga
- Pinaropappus roseus
- Pinckneya bracteata
- Pinellia pedatisecta
- Pinellia ternata
- Pinellia tripartita
- Pinguicula caerulea
- Pinguicula ionantha
- Pinguicula lutea
- Pinguicula planifolia
- Pinguicula primuliflora
- Pinguicula pumila
- Pinguicula villosa
- Pinguicula vulgaris
- Pinus banksiana
- Pinus clausa
- Pinus densa
- Pinus echinata
- Pinus elliottii
- Pinus glabra
- Pinus nigra
- Pinus palustris
- Pinus pinaster
- Pinus pinea
- Pinus pungens
- Pinus resinosa
- Pinus rigida
- Pinus serotina
- Pinus strobus
- Pinus sylvestris
- Pinus taeda
- Pinus thunbergii
- Pinus virginiana
- Piper aduncum
- Piper auritum
- Piptatheropsis canadensis
- Piptatheropsis pungens
- Piptochaetium avenaceum
- Piptochaetium avenacioides
- Piriqueta caroliniana
- Piriqueta cistoides
- Piscidia piscipula
- Pisonia aculeata
- Pisonia macranthocarpa
- Pisonia rotundata
- Pistacia chinensis
- Pistia stratiotes
- Pisum fulvum
- Pisum sativum
- Pithecellobium bahamense
- Pithecellobium dulce
- Pithecellobium keyense
- Pithecellobium unguis-cati
- Pittosporum pentandrum
- Pittosporum tobira
- Pityopsis aequilifolia
- Pityopsis aspera
- Pityopsis falcata
- Pityopsis flexuosa
- Pityopsis graminifolia
- Pityopsis latifolia
- Pityopsis microcephala
- Pityopsis nervosa
- Pityopsis oligantha
- Pityopsis pinifolia
- Pityopsis ruthii
- Pityopsis tenuifolia
- Pityopsis tracyi
- Pityrogramma calomelanos
- Pityrogramma trifoliata
- Plagiobothrys figuratus
- Planera aquatica
- Planodes virginicum
- Plantago afra
- Plantago aristata
- Plantago cordata
- Plantago coronopus
- Plantago elongata
- Plantago eriopoda
- Plantago floccosa
- Plantago helleri
- Plantago heterophylla
- Plantago hookeriana
- Plantago indica
- Plantago lanceolata
- Plantago major
- Plantago maritima
- Plantago media
- Plantago patagonica
- Plantago pusilla
- Plantago rhodosperma
- Plantago rugelii
- Plantago sparsiflora
- Plantago uliginosa
- Plantago virginica
- Plantago wrightiana
- Platanthera aquilonis
- Platanthera blephariglottis
- Platanthera chapmanii
- Platanthera ciliaris
- Platanthera clavellata
- Platanthera conspicua
- Platanthera cristata
- Platanthera dilatata
- Platanthera flava
- Platanthera grandiflora
- Platanthera herbiola
- Platanthera hookeri
- Platanthera huronensis
- Platanthera integra
- Platanthera integrilabia
- Platanthera lacera
- Platanthera leucophaea
- Platanthera macrophylla
- Platanthera nivea
- Platanthera obtusata
- Platanthera orbiculata
- Platanthera peramoena
- Platanthera praeclara
- Platanthera psycodes
- Platanthera shriveri
- Platanthera unalascensis
- Platanus ×hispanica
- Platanus occidentalis
- Platycerium bifurcatum
- Platycladus orientalis
- Platycodon grandiflorum
- Plectocephalus americanus
- Plectranthus parviflorus
- Plectranthus scutellarioides
- Pleea tenuifolia
- Pleioblastus argenteostriatus
- Pleioblastus pygmaeus
- Pleioblastus simonii
- Pleopeltis astrolepis
- Pleopeltis marginata
- Pleopeltis michauxiana
- Pleopeltis polypodioides
- Pleuropogon sabinei
- Pluchea baccharis
- Pluchea camphorata
- Pluchea carolinensis
- Pluchea foetida
- Pluchea longifolia
- Pluchea odorata
- Pluchea sagittalis
- Pluchea yucatanensis
- Plumbago auriculata
- Plumbago zeylanica
- Plumeria obtusa
- Poa alpina
- Poa alsodes
- Poa annua
- Poa arachnifera
- Poa arctica
- Poa arida
- Poa autumnalis
- Poa bulbosa
- Poa chapmaniana
- Poa compressa
- Poa cuspidata
- Poa glauca
- Poa hartzii
- Poa iconia
- Poa infirma
- Poa interior
- Poa languida
- Poa laxa
- Poa nemoralis
- Poa paludigena
- Poa palustris
- Poa pratensis
- Poa saltuensis
- Poa secunda
- Poa sylvestris
- Poa trivialis
- Poa wolfii
- Podocarpus macrophyllus
- Podophyllum peltatum
- Podostemum ceratophyllum
- Podranea ricasoliana
- Pogonia ophioglossoides
- Polanisia dodecandra
- Polanisia erosa
- Polanisia jamesii
- Polanisia tenuifolia
- Polemonium caeruleum
- Polemonium micranthum
- Polemonium occidentale
- Polemonium reptans
- Polemonium vanbruntiae
- Polyalthia suberosa
- Polycarpaea corymbosa
- Polycarpon tetraphyllum
- Polycnemum majus
- Polygala alba
- Polygala ambigua
- Polygala appendiculata
- Polygala aquilonia
- Polygala balduinii
- Polygala boykinii
- Polygala brevifolia
- Polygala carteri
- Polygala chapmanii
- Polygala crenata
- Polygala cruciata
- Polygala curtissii
- Polygala cymosa
- Polygala hookeri
- Polygala incarnata
- Polygala leptostachys
- Polygala lewtonii
- Polygala lutea
- Polygala mariana
- Polygala nana
- Polygala nuttallii
- Polygala polygama
- Polygala ramosa
- Polygala rugelii
- Polygala sanguinea
- Polygala senega
- Polygala setacea
- Polygala smallii
- Polygala verticillata
- Polygaloides paucifolia
- Polygonatum biflorum
- Polygonatum hirsutum
- Polygonatum pubescens
- Polygonella americana
- Polygonella articulata
- Polygonella basiramia
- Polygonella brachystachya
- Polygonella ciliata
- Polygonella croomii
- Polygonella fimbriata
- Polygonella gracilis
- Polygonella macrophylla
- Polygonella myriophylla
- Polygonella parksii
- Polygonella polygama
- Polygonella robusta
- Polygonum achoreum
- Polygonum argyrocoleon
- Polygonum aviculare
- Polygonum buxiforme
- Polygonum erectum
- Polygonum fowleri
- Polygonum franktonii
- Polygonum glaucum
- Polygonum patulum
- Polygonum prolificum
- Polygonum raii
- Polygonum ramosissimum
- Polymnia canadensis
- Polymnia cossatotensis
- Polymnia johnbeckii
- Polymnia laevigata
- Polypodium appalachianum
- Polypodium sibiricum
- Polypodium virginianum
- Polypogon interruptus
- Polypogon maritimus
- Polypogon monspeliensis
- Polypogon viridis
- Polypremum procumbens
- Polyscias guilfoylei
- Polystachya concreta
- Polystichum acrostichoides
- Polystichum braunii
- Polystichum lonchitis
- Polystichum polyblepharum
- Polystichum tsus-simense
- Polytaenia nuttallii
- Polytaenia texana
- Polytrias indica
- Pomaria austrotexana
- Pomaria jamesii
- Pombalia linearifolia
- Pombalia parviflora
- Pombalia verticillata
- Pontederia cordata
- Pontederia rotundifolia
- Ponthieva brittoniae
- Ponthieva racemosa
- Populus alba
- Populus balsamifera
- Populus canadensis
- Populus canescens
- Populus deltoides
- Populus grandidentata
- Populus heterophylla
- Populus jackii
- Populus nigra
- Populus simonii
- Populus smithii
- Populus tremuloides
- Poranopsis paniculata
- Portulaca amilis
- Portulaca biloba
- Portulaca coronata
- Portulaca grandiflora
- Portulaca halimoides
- Portulaca minuta
- Portulaca nicaraguensis
- Portulaca oleracea
- Portulaca pilosa
- Portulaca rubricaulis
- Portulaca smallii
- Portulaca umbraticola
- Potamogeton alpinus
- Potamogeton amplifolius
- Potamogeton berchtoldii
- Potamogeton bicupulatus
- Potamogeton confervoides
- Potamogeton crispus
- Potamogeton diversifolius
- Potamogeton epihydrus
- Potamogeton floridanus
- Potamogeton foliosus
- Potamogeton friesii
- Potamogeton gramineus
- Potamogeton hillii
- Potamogeton illinoensis
- Potamogeton natans
- Potamogeton nodosus
- Potamogeton oakesianus
- Potamogeton obtusifolius
- Potamogeton ogdenii
- Potamogeton perfoliatus
- Potamogeton praelongus
- Potamogeton pulcher
- Potamogeton pusillus
- Potamogeton richardsonii
- Potamogeton robbinsii
- Potamogeton spirillus
- Potamogeton strictifolius
- Potamogeton subsibiricus
- Potamogeton tennesseensis
- Potamogeton vaseyi
- Potamogeton zosteriformis
- Potentilla anglica
- Potentilla arenosa
- Potentilla argentea
- Potentilla bimundorum
- Potentilla bipinnatifida
- Potentilla canadensis
- Potentilla effusa
- Potentilla gracilis
- Potentilla hippiana
- Potentilla inclinata
- Potentilla indica
- Potentilla intermedia
- Potentilla litoralis
- Potentilla nana
- Potentilla nivea
- Potentilla norvegica
- Potentilla paradoxa
- Potentilla pensylvanica
- Potentilla pulchella
- Potentilla pulcherrima
- Potentilla recta
- Potentilla reptans
- Potentilla rivalis
- Potentilla robbinsiana
- Potentilla simplex
- Poteridium annuum
- Poterium sanguisorba
- Pourthiaea villosa
- Pouteria campechiana
- Pouzolzia zeylanica
- Praxelis clematidea
- Premna odorata
- Prescottia oligantha
- Primula egaliksensis
- Primula fassettii
- Primula frenchii
- Primula incana
- Primula laurentiana
- Primula meadia
- Primula mistassinica
- Primula stricta
- Primula veris
- Priva lappulacea
- Proboscidea louisiana
- Prosartes hookeri
- Prosartes lanuginosa
- Prosartes maculata
- Prosartes trachycarpa
- Proserpinaca palustris
- Proserpinaca pectinata
- Prosopis cinerascens
- Prosopis glandulosa
- Prosthechea boothiana
- Prosthechea cochleata
- Prosthechea pygmaea
- Prunella laciniata
- Prunella vulgaris
- Prunus alabamensis
- Prunus alleghaniensis
- Prunus americana
- Prunus angustifolia
- Prunus armeniaca
- Prunus avium
- Prunus campanulata
- Prunus caroliniana
- Prunus cerasifera
- Prunus cerasus
- Prunus domestica
- Prunus geniculata
- Prunus glandulosa
- Prunus gracilis
- Prunus hortulana
- Prunus laurocerasus
- Prunus mahaleb
- Prunus maritima
- Prunus mexicana
- Prunus minutiflora
- Prunus mume
- Prunus munsoniana
- Prunus myrtifolia
- Prunus nigra
- Prunus padus
- Prunus pensylvanica
- Prunus persica
- Prunus pumila
- Prunus rivularis
- Prunus sargentii
- Prunus serotina
- Prunus speciosa
- Prunus spinosa
- Prunus subhirtella
- Prunus susquehanae
- Prunus texana
- Prunus tomentosa
- Prunus triloba
- Prunus umbellata
- Prunus virginiana
- Prunus yedoensis
- Psammophiliella muralis
- Pseudabutilon umbellatum
- Pseudelephantopus spicatus
- Pseuderanthemum variabile
- Pseudocydonia sinensis
- Pseudognaphalium austrotexanum
- Pseudognaphalium domingense
- Pseudognaphalium helleri
- Pseudognaphalium macounii
- Pseudognaphalium micradenium
- Pseudognaphalium obtusifolium
- Pseudognaphalium stramineum
- Pseudogynoxys chenopodioides
- Pseudolycopodiella caroliniana
- Pseudophoenix sargentii
- Pseudoroegneria spicata
- Pseudosasa japonica
- Pseudotsuga menziesii
- Pseudoziziphus celata
- Psidium cattleyanum
- Psidium guajava
- Psidium guineense
- Psilactis heterocarpa
- Psilostrophe gnaphalodes
- Psilostrophe tagetina
- Psilostrophe villosa
- Psilotum nudum
- Psophocarpus tetragonolobus
- Psychotria ligustrifolia
- Psychotria nervosa
- Psychotria punctata
- Psychotria tenuifolia
- Ptelea trifoliata
- Pteridium caudatum
- Pteridium latiusculum
- Pteridium pseudocaudatum
- Pteris bahamensis
- Pteris cretica
- Pteris grandifolia
- Pteris multifida
- Pteris plumula
- Pteris tripartita
- Pteris vittata
- Pterocarya stenoptera
- Pterocaulon pycnostachyum
- Pterocaulon virgatum
- Pterospora andromedea
- Ptilimnium ahlesii
- Ptilimnium capillaceum
- Ptilimnium costatum
- Ptilimnium nuttallii
- Ptilimnium texense
- Ptychosperma elegans
- Ptychosperma macarthurii
- Puccinellia angustata
- Puccinellia distans
- Puccinellia fasciculata
- Puccinellia lucida
- Puccinellia maritima
- Puccinellia nutkaensis
- Puccinellia nuttalliana
- Puccinellia phryganodes
- Puccinellia tenella
- Puccinellia vaginata
- Pueraria montana
- Pulicaria arabica
- Pulsatilla nuttalliana
- Punica granatum
- Pycnanthemum albescens
- Pycnanthemum beadlei
- Pycnanthemum clinopodioides
- Pycnanthemum curvipes
- Pycnanthemum flexuosum
- Pycnanthemum floridanum
- Pycnanthemum incanum
- Pycnanthemum loomisii
- Pycnanthemum monotrichum
- Pycnanthemum montanum
- Pycnanthemum muticum
- Pycnanthemum nudum
- Pycnanthemum pilosum
- Pycnanthemum pycnanthemoides
- Pycnanthemum setosum
- Pycnanthemum tenuifolium
- Pycnanthemum torreyi
- Pycnanthemum verticillatum
- Pycnanthemum virginianum
- Pyracantha angustifolia
- Pyracantha atalantioides
- Pyracantha coccinea
- Pyracantha fortuneana
- Pyracantha koidzumii
- Pyrola americana
- Pyrola asarifolia
- Pyrola chlorantha
- Pyrola elliptica
- Pyrola grandiflora
- Pyrola minor
- Pyrostegia venusta
- Pyrrhopappus carolinianus
- Pyrrhopappus grandiflorus
- Pyrrhopappus pauciflorus
- Pyrularia pubera
- Pyrus calleryana
- Pyrus communis
- Pyrus cordata
- Pyrus pyrifolia
- Pyxidanthera barbulata
- Pyxidanthera brevifolia
- Quadrella incana
- Quadrella jamaicensis
- Quercus acerifolia
- Quercus acuta
- Quercus acutissima
- Quercus alba
- Quercus arkansana
- Quercus austrina
- Quercus bicolor
- Quercus boyntonii
- Quercus buckleyi
- Quercus cerris
- Quercus chapmanii
- Quercus coccinea
- Quercus durandii
- Quercus elliottii
- Quercus ellipsoidalis
- Quercus falcata
- Quercus fusiformis
- Quercus geminata
- Quercus georgiana
- Quercus hemisphaerica
- Quercus ilicifolia
- Quercus imbricaria
- Quercus incana
- Quercus inopina
- Quercus laevis
- Quercus laurifolia
- Quercus lyrata
- Quercus macrocarpa
- Quercus margarettiae
- Quercus marilandica
- Quercus michauxii
- Quercus minima
- Quercus montana
- Quercus muehlenbergii
- Quercus myrsinifolia
- Quercus myrtifolia
- Quercus nigra
- Quercus oglethorpensis
- Quercus pagoda
- Quercus palustris
- Quercus phellos
- Quercus prinoides
- Quercus robur
- Quercus rubra
- Quercus shumardii
- Quercus similis
- Quercus stellata
- Quercus suber
- Quercus texana
- Quercus velutina
- Quercus virginiana
- Quincula lobata
- Quisqualis indica
- Rabelera holostea
- Radermachera sinica
- Randia aculeata
- Randia rhagocarpa
- Ranunculus abortivus
- Ranunculus acris
- Ranunculus allegheniensis
- Ranunculus allenii
- Ranunculus ambigens
- Ranunculus arvensis
- Ranunculus bulbosus
- Ranunculus caricetorum
- Ranunculus fascicularis
- Ranunculus flabellaris
- Ranunculus flammula
- Ranunculus gmelinii
- Ranunculus harveyi
- Ranunculus hederaceus
- Ranunculus hispidus
- Ranunculus hyperboreus
- Ranunculus laxicaulis
- Ranunculus longirostris
- Ranunculus macounii
- Ranunculus macranthus
- Ranunculus marginatus
- Ranunculus micranthus
- Ranunculus muricatus
- Ranunculus nivalis
- Ranunculus parviflorus
- Ranunculus pedatifidus
- Ranunculus pensylvanicus
- Ranunculus platensis
- Ranunculus pusillus
- Ranunculus pygmaeus
- Ranunculus recurvatus
- Ranunculus repens
- Ranunculus rhomboideus
- Ranunculus sardous
- Ranunculus sceleratus
- Ranunculus septentrionalis
- Ranunculus sulphureus
- Ranunculus trichophyllus
- Ranunculus trilobus
- Raphanus raphanistrum
- Raphanus sativus
- Rapistrum rugosum
- Ratibida columnifera
- Ratibida peduncularis
- Ratibida pinnata
- Rauvolfia tetraphylla
- Rayjacksonia annua
- Rayjacksonia aurea
- Rayjacksonia phyllocephala
- Redfieldia flexuosa
- Reimarochloa oligostachya
- Reseda alba
- Reseda lutea
- Reseda luteola
- Reseda odorata
- Reseda phyteuma
- Restrepiella ophiocephala
- Reynosia septentrionalis
- Reynoutria bohemica
- Reynoutria japonica
- Reynoutria sachalinensis
- Rhabdadenia biflora
- Rhamnus arguta
- Rhamnus cathartica
- Rhamnus davurica
- Rhamnus japonica
- Rhamnus utilis
- Rhaphiolepis umbellata
- Rhapidophyllum hystrix
- Rhaponticum repens
- Rheum rhabarbarum
- Rhexia alifanus
- Rhexia aristosa
- Rhexia cubensis
- Rhexia interior
- Rhexia lutea
- Rhexia mariana
- Rhexia nashii
- Rhexia nuttallii
- Rhexia parviflora
- Rhexia petiolata
- Rhexia salicifolia
- Rhexia ventricosa
- Rhexia virginica
- Rhinanthus major
- Rhinanthus minor
- Rhinotropis lindheimeri
- Rhinotropis nitida
- Rhipsalis baccifera
- Rhipsalis cereuscula
- Rhizophora mangle
- Rhodiola integrifolia
- Rhodiola rosea
- Rhododendron alabamense
- Rhododendron arborescens
- Rhododendron atlanticum
- Rhododendron austrinum
- Rhododendron calendulaceum
- Rhododendron canadense
- Rhododendron canescens
- Rhododendron carolinianum
- Rhododendron catawbiense
- Rhododendron chapmanii
- Rhododendron colemanii
- Rhododendron cumberlandense
- Rhododendron eastmanii
- Rhododendron flammeum
- Rhododendron groenlandicum
- Rhododendron lapponicum
- Rhododendron maximum
- Rhododendron minus
- Rhododendron oblongifolium
- Rhododendron obtusum
- Rhododendron periclymenoides
- Rhododendron pilosum
- Rhododendron prinophyllum
- Rhododendron prunifolium
- Rhododendron serrulatum
- Rhododendron tomentosum
- Rhododendron vaseyi
- Rhododendron viscosum
- Rhododon angulatus
- Rhododon ciliatus
- Rhodomyrtus tomentosa
- Rhodotypos scandens
- Rhus aromatica
- Rhus copallinum
- Rhus glabra
- Rhus lanceolata
- Rhus michauxii
- Rhus microphylla
- Rhus trilobata
- Rhus typhina
- Rhus virens
- Rhynchosia americana
- Rhynchosia cinerea
- Rhynchosia cytisoides
- Rhynchosia difformis
- Rhynchosia latifolia
- Rhynchosia michauxii
- Rhynchosia minima
- Rhynchosia mollissima
- Rhynchosia parvifolia
- Rhynchosia precatoria
- Rhynchosia reniformis
- Rhynchosia reticulata
- Rhynchosia senna
- Rhynchosia swartzii
- Rhynchosia tomentosa
- Rhynchosida physocalyx
- Rhynchospora alba
- Rhynchospora angusta
- Rhynchospora baldwinii
- Rhynchospora brachychaeta
- Rhynchospora caduca
- Rhynchospora capillacea
- Rhynchospora capitellata
- Rhynchospora careyana
- Rhynchospora cephalantha
- Rhynchospora chalarocephala
- Rhynchospora chapmanii
- Rhynchospora ciliaris
- Rhynchospora colorata
- Rhynchospora compressa
- Rhynchospora corniculata
- Rhynchospora corymbosa
- Rhynchospora crinipes
- Rhynchospora culixa
- Rhynchospora curtissii
- Rhynchospora debilis
- Rhynchospora decurrens
- Rhynchospora distans
- Rhynchospora divergens
- Rhynchospora elliottii
- Rhynchospora eximia
- Rhynchospora fascicularis
- Rhynchospora fernaldii
- Rhynchospora filifolia
- Rhynchospora floridensis
- Rhynchospora fusca
- Rhynchospora galeana
- Rhynchospora globularis
- Rhynchospora glomerata
- Rhynchospora gracilenta
- Rhynchospora grayi
- Rhynchospora harperi
- Rhynchospora harveyi
- Rhynchospora indianolensis
- Rhynchospora inexpansa
- Rhynchospora inundata
- Rhynchospora knieskernii
- Rhynchospora latifolia
- Rhynchospora leptocarpa
- Rhynchospora macra
- Rhynchospora macrostachya
- Rhynchospora marliniana
- Rhynchospora megalocarpa
- Rhynchospora megaplumosa
- Rhynchospora microcarpa
- Rhynchospora microcephala
- Rhynchospora miliacea
- Rhynchospora mixta
- Rhynchospora nitens
- Rhynchospora nivea
- Rhynchospora odorata
- Rhynchospora oligantha
- Rhynchospora pallida
- Rhynchospora perplexa
- Rhynchospora pineticola
- Rhynchospora pinetorum
- Rhynchospora pleiantha
- Rhynchospora plumosa
- Rhynchospora punctata
- Rhynchospora pusilla
- Rhynchospora rariflora
- Rhynchospora recognita
- Rhynchospora saxicola
- Rhynchospora scirpoides
- Rhynchospora solitaria
- Rhynchospora stenophylla
- Rhynchospora sulcata
- Rhynchospora thornei
- Rhynchospora torreyana
- Rhynchospora tracyi
- Rhynchospora wrightiana
- Ribes americanum
- Ribes aureum
- Ribes curvatum
- Ribes cynosbati
- Ribes echinellum
- Ribes glandulosum
- Ribes hirtellum
- Ribes hudsonianum
- Ribes lacustre
- Ribes missouriense
- Ribes nigrum
- Ribes oxyacanthoides
- Ribes rotundifolium
- Ribes rubrum
- Ribes triste
- Ribes uva-crispa
- Richardia brasiliensis
- Richardia grandiflora
- Richardia humistrata
- Richardia scabra
- Richardia tricocca
- Ricinus communis
- Ripariosida hermaphrodita
- Rivina humilis
- Robinia hartwigii
- Robinia hispida
- Robinia nana
- Robinia pseudoacacia
- Robinia viscosa
- Romulea rosea
- Rorippa amphibia
- Rorippa aquatica
- Rorippa austriaca
- Rorippa curvipes
- Rorippa dubia
- Rorippa indica
- Rorippa palustris
- Rorippa sessiliflora
- Rorippa sinuata
- Rorippa sylvestris
- Rorippa tenerrima
- Rorippa teres
- Rosa acicularis
- Rosa arkansana
- Rosa blanda
- Rosa bracteata
- Rosa canina
- Rosa carolina
- Rosa chinensis
- Rosa cinnamomea
- Rosa damascena
- Rosa dumetorum
- Rosa foliolosa
- Rosa gallica
- Rosa glauca
- Rosa laevigata
- Rosa lucieae
- Rosa majalis
- Rosa moschata
- Rosa multiflora
- Rosa nitida
- Rosa palustris
- Rosa rubiginosa
- Rosa rugosa
- Rosa setigera
- Rosa spinosissima
- Rosa tomentosa
- Rosa virginiana
- Rosa woodsii
- Rosa xanthina
- Rosmarinus officinalis
- Rostraria cristata
- Rotala indica
- Rotala ramosior
- Rotala rotundifolia
- Rottboellia cochinchinensis
- Rousselia humilis
- Roystonea regia
- Rubia tinctoria
- Rubus allegheniensis
- Rubus bifrons
- Rubus caesius
- Rubus canadensis
- Rubus chamaemorus
- Rubus cuneifolius
- Rubus flagellaris
- Rubus hirsutus
- Rubus hispidus
- Rubus idaeus
- Rubus illecebrosus
- Rubus laciniatus
- Rubus occidentalis
- Rubus odoratus
- Rubus parvifolius
- Rubus pascuus
- Rubus pensilvanicus
- Rubus phoenicolasius
- Rubus pubescens
- Rubus repens
- Rubus setosus
- Rubus triphyllus
- Rubus trivialis
- Rudbeckia auriculata
- Rudbeckia bicolor
- Rudbeckia deamii
- Rudbeckia fulgida
- Rudbeckia graminifolia
- Rudbeckia grandiflora
- Rudbeckia heliopsidis
- Rudbeckia hirta
- Rudbeckia laciniata
- Rudbeckia maxima
- Rudbeckia missouriensis
- Rudbeckia mohrii
- Rudbeckia mollis
- Rudbeckia nitida
- Rudbeckia palustris
- Rudbeckia spathulata
- Rudbeckia speciosa
- Rudbeckia subtomentosa
- Rudbeckia sullivantii
- Rudbeckia tenax
- Rudbeckia terranigrae
- Rudbeckia triloba
- Rudbeckia truncata
- Rudbeckia umbrosa
- Ruellia blechum
- Ruellia caroliniensis
- Ruellia ciliatiflora
- Ruellia ciliosa
- Ruellia corzoi
- Ruellia dipteracanthus
- Ruellia drummondiana
- Ruellia heteromorpha
- Ruellia humilis
- Ruellia metziae
- Ruellia noctiflora
- Ruellia nudiflora
- Ruellia occidentalis
- Ruellia pedunculata
- Ruellia pinetorum
- Ruellia purshiana
- Ruellia simplex
- Ruellia strepens
- Ruellia succulenta
- Ruellia yucatana
- Rugelia nudicaulis
- Rumex acetosa
- Rumex acetosella
- Rumex alpinus
- Rumex altissimus
- Rumex brittanica
- Rumex brownii
- Rumex bucephalophorus
- Rumex chrysocarpos
- Rumex conglomeratus
- Rumex crispus
- Rumex cristatus
- Rumex cuneifolius
- Rumex fascicularis
- Rumex floridanus
- Rumex fueginus
- Rumex hastatulus
- Rumex hymenosepalus
- Rumex longifolius
- Rumex maritimus
- Rumex obovatus
- Rumex obtusifolius
- Rumex occidentalis
- Rumex pallidus
- Rumex paraguayensis
- Rumex patientia
- Rumex persicarioides
- Rumex pulcher
- Rumex sanguineus
- Rumex spiralis
- Rumex stenophyllus
- Rumex subarcticus
- Rumex triangulivalvis
- Rumex venosus
- Rumex verticillatus
- Rumohra adiantiformis
- Ruppia cirrhosa
- Ruppia maritima
- Russelia equisetiformis
- Ruta chalepensis
- Ruta graveolens
- Sabal brazoriensis
- Sabal etonia
- Sabal mexicana
- Sabal miamiensis
- Sabal minor
- Sabal palmetto
- Sabatia angularis
- Sabatia arenicola
- Sabatia arkansana
- Sabatia brachiata
- Sabatia brevifolia
- Sabatia calycina
- Sabatia campanulata
- Sabatia campestris
- Sabatia capitata
- Sabatia decandra
- Sabatia difformis
- Sabatia dodecandra
- Sabatia foliosa
- Sabatia formosa
- Sabatia gentianoides
- Sabatia grandiflora
- Sabatia kennedyana
- Sabatia macrophylla
- Sabatia quadrangula
- Sabatia stellaris
- Sabulina dawsonensis
- Sabulina fontinalis
- Sabulina michauxii
- Sabulina rubella
- Saccharum officinarum
- Saccharum spontaneum
- Sacciolepis indica
- Sacciolepis striata
- Sachsia polycephala
- Sacoila lanceolata
- Sacoila paludicola
- Sacoila squamulosa
- Sageretia minutiflora
- Sagina apetala
- Sagina caespitosa
- Sagina decumbens
- Sagina japonica
- Sagina nivalis
- Sagina nodosa
- Sagina procumbens
- Sagittaria ambigua
- Sagittaria australis
- Sagittaria brevirostra
- Sagittaria calycina
- Sagittaria chapmanii
- Sagittaria cristata
- Sagittaria cuneata
- Sagittaria engelmanniana
- Sagittaria fasciculata
- Sagittaria filiformis
- Sagittaria graminea
- Sagittaria guayanensis
- Sagittaria isoetiformis
- Sagittaria kurziana
- Sagittaria lancifolia
- Sagittaria latifolia
- Sagittaria longiloba
- Sagittaria macrocarpa
- Sagittaria montevidensis
- Sagittaria papillosa
- Sagittaria platyphylla
- Sagittaria rigida
- Sagittaria secundifolia
- Sagittaria spatulata
- Sagittaria subulata
- Sagittaria teres
- Sagittaria weatherbiana
- Salicornia ambigua
- Salicornia bigelovii
- Salicornia borealis
- Salicornia maritima
- Salicornia rubra
- Salicornia virginica
- Salix ×fragilis
- Salix alaxensis
- Salix alba
- Salix amygdaloides
- Salix arbusculoides
- Salix arctica
- Salix arctophila
- Salix argyrocarpa
- Salix atrocinerea
- Salix babylonica
- Salix ballii
- Salix bebbiana
- Salix brachycarpa
- Salix calcicola
- Salix candida
- Salix caprea
- Salix caroliniana
- Salix chlorolepis
- Salix cinerea
- Salix cordata
- Salix discolor
- Salix elaeagnos
- Salix eriocephala
- Salix exigua
- Salix famelica
- Salix floridana
- Salix glauca
- Salix herbacea
- Salix humilis
- Salix interior
- Salix jejuna
- Salix lucida
- Salix maccalliana
- Salix matsudana
- Salix myricoides
- Salix myrtillifolia
- Salix nigra
- Salix occidentalis
- Salix pedicellaris
- Salix pellita
- Salix pendulina
- Salix pentandra
- Salix petiolaris
- Salix planifolia
- Salix pseudomonticola
- Salix purpurea
- Salix pyrifolia
- Salix reticulata
- Salix sepulcralis
- Salix sericea
- Salix serissima
- Salix thurberi
- Salix triandra
- Salix uva-ursi
- Salix vestita
- Salix viminalis
- Salpichroa origanifolia
- Salsola collina
- Salsola kali
- Salsola tragus
- Salvia azurea
- Salvia ballotiflora
- Salvia chapmanii
- Salvia coccinea
- Salvia engelmannii
- Salvia farinacea
- Salvia greggii
- Salvia hispanica
- Salvia lyrata
- Salvia micrantha
- Salvia misella
- Salvia occidentalis
- Salvia officinalis
- Salvia pallida
- Salvia pratensis
- Salvia reflexa
- Salvia roemeriana
- Salvia sclarea
- Salvia serotina
- Salvia sylvestris
- Salvia texana
- Salvia urticifolia
- Salvia verbenacea
- Salvia verticillata
- Salvinia minima
- Salvinia molesta
- Samanea saman
- Sambucus canadensis
- Sambucus nigra
- Sambucus racemosa
- Samolus ebracteatus
- Samolus parviflorus
- Sanguinaria canadensis
- Sanguisorba canadensis
- Sanicula canadensis
- Sanicula marilandica
- Sanicula odorata
- Sanicula smallii
- Sanicula trifoliata
- Sansevieria cylindrica
- Sansevieria hyacinthoides
- Sansevieria trifasciata
- Santalum album
- Santolina chamaecyparissus
- Sapindus marginatus
- Sapindus saponaria
- Sapium haematospermum
- Saponaria officinalis
- Sarcomphalus obtusifolius
- Saribus rotundifolius
- Sarracenia alabamensis
- Sarracenia alata
- Sarracenia flava
- Sarracenia jonesii
- Sarracenia leucophylla
- Sarracenia minor
- Sarracenia oreophila
- Sarracenia psittacina
- Sarracenia purpurea
- Sarracenia rosea
- Sarracenia rubra
- Sasa palmata
- Sassafras albidum
- Satureja hortensis
- Saururus cernuus
- Saxifraga aizoides
- Saxifraga caespitosa
- Saxifraga cernua
- Saxifraga hirculus
- Saxifraga hyperborea
- Saxifraga oppositifolia
- Saxifraga paniculata
- Saxifraga rivularis
- Saxifraga stolonifera
- Saxifraga tricuspidata
- Saxifraga tridactylites
- Scabiosa atropurpurea
- Scabiosa columbaria
- Scaevola plumieri
- Scaevola taccada
- Scandix pecten-veneris
- Sceptridium biternatum
- Sceptridium dissectum
- Sceptridium jenmanii
- Sceptridium lunarioides
- Sceptridium multifidum
- Sceptridium oneidense
- Sceptridium rugulosum
- Schaefferia cuneifolia
- Schaefferia frutescens
- Schedonnardus paniculatus
- Schefflera actinophylla
- Schefflera arboricola
- Schenkia spicata
- Scheuchzeria palustris
- Schinus molle
- Schinus terebinthifolia
- Schisandra glabra
- Schizachne purpurascens
- Schizachyrium gracile
- Schizachyrium hirtiflorum
- Schizachyrium littorale
- Schizachyrium maritimum
- Schizachyrium niveum
- Schizachyrium rhizomatum
- Schizachyrium scoparium
- Schizachyrium sericatum
- Schizachyrium stoloniferum
- Schizachyrium tenerum
- Schizaea pusilla
- Schoenocaulon dubium
- Schoenocaulon ghiesbreghtii
- Schoenocaulon texanum
- Schoenolirion albiflorum
- Schoenolirion croceum
- Schoenolirion wrightii
- Schoenoplectiella erecta
- Schoenoplectiella hallii
- Schoenoplectiella mucronata
- Schoenoplectiella purshiana
- Schoenoplectiella saximontana
- Schoenoplectiella smithii
- Schoenoplectus acutus
- Schoenoplectus americanus
- Schoenoplectus californicus
- Schoenoplectus deltarum
- Schoenoplectus etuberculatus
- Schoenoplectus heterochaetus
- Schoenoplectus pungens
- Schoenoplectus subterminalis
- Schoenoplectus tabernaemontani
- Schoenoplectus torreyi
- Schoenus nigricans
- Schoepfia schreberi
- Schwalbea americana
- Scilla forbesii
- Scilla hyacinthoides
- Scilla siberica
- Scirpoides holoschoenus
- Scirpus ancistrochaetus
- Scirpus atrocinctus
- Scirpus atrovirens
- Scirpus cyperinus
- Scirpus divaricatus
- Scirpus expansus
- Scirpus flaccidifolius
- Scirpus georgianus
- Scirpus hattorianus
- Scirpus lineatus
- Scirpus longii
- Scirpus microcarpus
- Scirpus pallidus
- Scirpus pedicellatus
- Scirpus pendulus
- Scirpus polyphyllus
- Scleranthus annuus
- Scleria baldwinii
- Scleria bellii
- Scleria ciliata
- Scleria distans
- Scleria flaccida
- Scleria gaertneri
- Scleria georgiana
- Scleria lacustris
- Scleria lithosperma
- Scleria melaleuca
- Scleria microcarpa
- Scleria minor
- Scleria muehlenbergii
- Scleria nitida
- Scleria oligantha
- Scleria pauciflora
- Scleria reticularis
- Scleria triglomerata
- Scleria verticillata
- Sclerochloa dura
- Sclerolepis uniflora
- Scolochloa festucacea
- Scolymus hispanicus
- Scolymus maculatus
- Scoparia dulcis
- Scoparia montevidensis
- Scorpiurus muricatus
- Scorzoneroides autumnalis
- Scrophularia lanceolata
- Scrophularia marilandica
- Scrophularia nodosa
- Scutellaria alabamensis
- Scutellaria altamaha
- Scutellaria arenicola
- Scutellaria australis
- Scutellaria bushii
- Scutellaria cardiophylla
- Scutellaria drummondii
- Scutellaria elliptica
- Scutellaria floridana
- Scutellaria galericulata
- Scutellaria glabriuscula
- Scutellaria havanensis
- Scutellaria incana
- Scutellaria integrifolia
- Scutellaria lateriflora
- Scutellaria leonardii
- Scutellaria mellichampii
- Scutellaria montana
- Scutellaria multiglandulosa
- Scutellaria muriculata
- Scutellaria nervosa
- Scutellaria ocmulgee
- Scutellaria ovata
- Scutellaria parvula
- Scutellaria pseudoserrata
- Scutellaria racemosa
- Scutellaria resinosa
- Scutellaria saxatilis
- Scutellaria serrata
- Scutellaria thieretii
- Scutellaria wrightii
- Secale cereale
- Sechium edule
- Securigera securidaca
- Securigera varia
- Sedum acre
- Sedum album
- Sedum emarginatum
- Sedum glaucophyllum
- Sedum hispanicum
- Sedum lineare
- Sedum mexicanum
- Sedum nevii
- Sedum nuttallii
- Sedum pulchellum
- Sedum pusillum
- Sedum rupestre
- Sedum sarmentosum
- Sedum sexangulare
- Sedum ternatum
- Sedum villosum
- Selaginella selaginoides
- Selenia aurea
- Selenia grandis
- Selenicereus grandiflorus
- Selenicereus pteranthus
- Selenicereus spinulosus
- Selenicereus undatus
- Selinum carvifolia
- Sempervivum tectorum
- Senecio ampullaceus
- Senecio brasiliensis
- Senecio suaveolens
- Senecio sylvaticus
- Senecio viscosus
- Senecio vulgaris
- Senegalia berlandieri
- Senegalia greggii
- Senegalia roemeriana
- Senegalia wrightii
- Senna alata
- Senna angustisiliqua
- Senna atomaria
- Senna bauhinioides
- Senna chapmanii
- Senna corymbosa
- Senna didymobotrya
- Senna durangensis
- Senna hebecarpa
- Senna ligustrina
- Senna lindheimeriana
- Senna marilandica
- Senna obtusifolia
- Senna occidentalis
- Senna pendula
- Senna pumilio
- Senna roemeriana
- Senna septemtrionalis
- Senna siamea
- Senna spectabilis
- Senna surattensis
- Serenoa repens
- Sericocarpus asteroides
- Sericocarpus linifolius
- Sericocarpus tortifolius
- Serjania brachycarpa
- Serjania dissecta
- Serpocaulon triseriale
- Sesamum indicum
- Sesbania drummondii
- Sesbania grandiflora
- Sesbania herbacea
- Sesbania punicea
- Sesbania sericea
- Sesbania vesicaria
- Sesbania virgata
- Seseli libanotis
- Sesuvium crithmoides
- Sesuvium humifusum
- Sesuvium maritimum
- Sesuvium portulacastrum
- Sesuvium trianthemoides
- Sesuvium verrucosum
- Setaria adhaerens
- Setaria barbata
- Setaria chapmanii
- Setaria corrugata
- Setaria faberi
- Setaria grisebachii
- Setaria italica
- Setaria leucopila
- Setaria macrosperma
- Setaria macrostachya
- Setaria magna
- Setaria megaphylla
- Setaria palmifolia
- Setaria parviflora
- Setaria pumila
- Setaria rariflora
- Setaria reverchonii
- Setaria scheelei
- Setaria setosa
- Setaria sphacelata
- Setaria texana
- Setaria verticillata
- Setaria verticilliformis
- Setaria villosissima
- Setaria viridis
- Seymeria cassioides
- Seymeria pectinata
- Shepherdia argentea
- Shepherdia canadensis
- Shortia brevistyla
- Shortia galacifolia
- Sibbaldia procumbens
- Sibbaldiopsis tridentata
- Sicyos angulatus
- Sida abutilifolia
- Sida antillensis
- Sida ciliaris
- Sida cordata
- Sida cordifolia
- Sida elliottii
- Sida glabra
- Sida lindheimeri
- Sida linifolia
- Sida littoralis
- Sida planicaulis
- Sida rhombifolia
- Sida rubromarginata
- Sida santaremensis
- Sida spinosa
- Sida tragiifolia
- Sida ulmifolia
- Sidastrum paniculatum
- Sideritis montana
- Sideritis romana
- Sideroxylon alachuense
- Sideroxylon celastrinum
- Sideroxylon foetidissimum
- Sideroxylon lanuginosum
- Sideroxylon lycioides
- Sideroxylon macrocarpum
- Sideroxylon reclinatum
- Sideroxylon rufohirtum
- Sideroxylon salicifolium
- Sideroxylon tenax
- Sideroxylon thornei
- Sigesbeckia orientalis
- Sigmoidotropis antillana
- Sigmoidotropis speciosa
- Silene acaulis
- Silene antirrhina
- Silene caroliniana
- Silene catesbaei
- Silene chalcedonica
- Silene conica
- Silene conoidea
- Silene csereii
- Silene dichotoma
- Silene dioica
- Silene drummondii
- Silene gallica
- Silene involucrata
- Silene latifolia
- Silene nivea
- Silene noctiflora
- Silene ovata
- Silene regia
- Silene rotundifolia
- Silene stellata
- Silene subciliata
- Silene suecica
- Silene uralensis
- Silene virginica
- Silene viscaria
- Silene vulgaris
- Silphium albiflorum
- Silphium asteriscus
- Silphium brachiatum
- Silphium compositum
- Silphium confertifolium
- Silphium connatum
- Silphium glutinosum
- Silphium gracile
- Silphium integrifolium
- Silphium laciniatum
- Silphium mohrii
- Silphium perfoliatum
- Silphium perplexum
- Silphium pinnatifidum
- Silphium radula
- Silphium reniforme
- Silphium simpsonii
- Silphium speciosum
- Silphium terebinthinaceum
- Silphium wasiotense
- Silybum marianum
- Simarouba glauca
- Simsia calva
- Sinapis alba
- Sinapis arvensis
- Sisymbrium altissimum
- Sisymbrium irio
- Sisymbrium loeselii
- Sisymbrium officinale
- Sisymbrium orientale
- Sisymbrium turczaninowii
- Sisyrinchium albidum
- Sisyrinchium angustifolium
- Sisyrinchium arenicola
- Sisyrinchium atlanticum
- Sisyrinchium biforme
- Sisyrinchium calciphilum
- Sisyrinchium campestre
- Sisyrinchium capillare
- Sisyrinchium chilense
- Sisyrinchium corymbosum
- Sisyrinchium dichotomum
- Sisyrinchium ensigerum
- Sisyrinchium fuscatum
- Sisyrinchium langloisii
- Sisyrinchium miamiense
- Sisyrinchium minus
- Sisyrinchium montanum
- Sisyrinchium mucronatum
- Sisyrinchium nashii
- Sisyrinchium pruinosum
- Sisyrinchium rosulatum
- Sisyrinchium rufipes
- Sisyrinchium sagittiferum
- Sisyrinchium strictum
- Sisyrinchium xerophyllum
- Sium suave
- Skimmia japonica
- Smallanthus uvedalia
- Smilax auriculata
- Smilax biltmoreana
- Smilax bona-nox
- Smilax ecirrata
- Smilax glauca
- Smilax havanensis
- Smilax herbacea
- Smilax hispida
- Smilax hugeri
- Smilax illinoensis
- Smilax lasioneura
- Smilax laurifolia
- Smilax leptanthera
- Smilax pseudochina
- Smilax pulverulenta
- Smilax pumila
- Smilax rotundifolia
- Smilax smallii
- Smilax walteri
- Smyrnium perfoliatum
- Solandra grandiflora
- Solanum adscendens
- Solanum americanum
- Solanum bahamense
- Solanum candidum
- Solanum capsicoides
- Solanum carolinense
- Solanum chenopodioides
- Solanum citrullifolium
- Solanum dimidiatum
- Solanum diphyllum
- Solanum donianum
- Solanum douglasii
- Solanum dulcamara
- Solanum elaeagnifolium
- Solanum emulans
- Solanum erianthum
- Solanum glaucophyllum
- Solanum interius
- Solanum jamaicense
- Solanum lycopersicum
- Solanum mauritianum
- Solanum melongena
- Solanum nigrescens
- Solanum nigrum
- Solanum nitidibaccatum
- Solanum perplexum
- Solanum pseudocapsicum
- Solanum pseudogracile
- Solanum pumilum
- Solanum rostratum
- Solanum sarrachoides
- Solanum scabrum
- Solanum seaforthianum
- Solanum sisymbriifolium
- Solanum tampicense
- Solanum torvum
- Solanum triflorum
- Solanum triquetrum
- Solanum tuberosum
- Solanum umbellatum
- Solanum viarum
- Solanum villosum
- Solenostemon scutellarioides
- Solidago aestivalis
- Solidago albopilosa
- Solidago altissima
- Solidago arenicola
- Solidago arguta
- Solidago auriculata
- Solidago austrina
- Solidago austrocaroliniana
- Solidago bicolor
- Solidago brachyphylla
- Solidago brendiae
- Solidago buckleyi
- Solidago caesia
- Solidago canadensis
- Solidago chapmanii
- Solidago chlorolepis
- Solidago chrysopsis
- Solidago curtisii
- Solidago delicatula
- Solidago drummondii
- Solidago erecta
- Solidago fallax
- Solidago faucibus
- Solidago fistulosa
- Solidago flaccidifolia
- Solidago flexicaulis
- Solidago gattingeri
- Solidago georgiana
- Solidago gigantea
- Solidago gillmanii
- Solidago glomerata
- Solidago glutinosa
- Solidago gracillima
- Solidago harrisii
- Solidago hispida
- Solidago houghtonii
- Solidago jejunifolia
- Solidago juncea
- Solidago kralii
- Solidago lancifolia
- Solidago latissimifolia
- Solidago leavenworthii
- Solidago leiocarpa
- Solidago ludoviciana
- Solidago macrophylla
- Solidago mexicana
- Solidago missouriensis
- Solidago multiradiata
- Solidago nemoralis
- Solidago nitida
- Solidago odora
- Solidago ohioensis
- Solidago ontarioensis
- Solidago ouachitensis
- Solidago pallescens
- Solidago pallida
- Solidago patula
- Solidago petiolaris
- Solidago pinetorum
- Solidago plumosa
- Solidago porteri
- Solidago ptarmicoides
- Solidago puberula
- Solidago pulchra
- Solidago pulverulenta
- Solidago racemosa
- Solidago radula
- Solidago randii
- Solidago riddellii
- Solidago rigida
- Solidago rigidiuscula
- Solidago roanensis
- Solidago rugosa
- Solidago rupestris
- Solidago salicina
- Solidago sciaphila
- Solidago sempervirens
- Solidago shortii
- Solidago simulans
- Solidago speciosa
- Solidago sphacelata
- Solidago spithamaea
- Solidago squarrosa
- Solidago stricta
- Solidago tarda
- Solidago tortifolia
- Solidago uliginosa
- Solidago ulmifolia
- Solidago verna
- Solidago villosicarpa
- Solidago virgata
- Solidago vossii
- Soliva anthemifolia
- Soliva sessilis
- Soliva stolonifera
- Sonchus arvensis
- Sonchus asper
- Sonchus oleraceus
- Sonchus tenerrimus
- Sophora tomentosa
- Sophronanthe hispida
- Sophronanthe pilosa
- Sorbaria sorbifolia
- Sorbus americana
- Sorbus aucuparia
- Sorbus decora
- Sorghastrum apalachicolense
- Sorghastrum elliottii
- Sorghastrum nutans
- Sorghastrum secundum
- Sorghum bicolor
- Sorghum halepense
- Sorindeia madagascariensis
- Sparganium acaule
- Sparganium americanum
- Sparganium androcladum
- Sparganium angustifolium
- Sparganium emersum
- Sparganium eurycarpum
- Sparganium fluctuans
- Sparganium glomeratum
- Sparganium hyperboreum
- Sparganium natans
- Spartina alterniflora
- Spartina bakeri
- Spartina cynosuroides
- Spartina densiflora
- Spartina gracilis
- Spartina patens
- Spartina pectinata
- Spartina spartinae
- Spathodea campanulata
- Spathoglottis plicata
- Spergula arvensis
- Spergula morisonii
- Spergula pentandra
- Spergularia canadensis
- Spergularia echinosperma
- Spergularia marina
- Spergularia media
- Spergularia platensis
- Spergularia rubra
- Spermacoce dasycephala
- Spermacoce densiflora
- Spermacoce glabra
- Spermacoce keyensis
- Spermacoce latifolia
- Spermacoce neoterminalis
- Spermacoce ocymoides
- Spermacoce remota
- Spermacoce tenella
- Spermacoce tenuior
- Spermacoce tetraquetra
- Spermacoce verticillata
- Spermolepis divaricata
- Spermolepis echinata
- Spermolepis inermis
- Sphaeralcea angustifolia
- Sphaeralcea coccinea
- Sphaeralcea hastulata
- Sphaeralcea lindheimeri
- Sphaeralcea pedatifida
- Sphaeropteris cooperi
- Sphagneticola trilobata
- Sphenoclea zeylanica
- Sphenomeris clavata
- Sphenopholis filiformis
- Sphenopholis intermedia
- Sphenopholis interrupta
- Sphenopholis longiflora
- Sphenopholis nitida
- Sphenopholis obtusata
- Sphenopholis pallens
- Sphenopholis pensylvanica
- Spigelia alabamensis
- Spigelia anthelmia
- Spigelia gentianoides
- Spigelia hedyotidea
- Spigelia loganioides
- Spigelia marilandica
- Spigelia texana
- Spinacia oleracea
- Spinulum annotinum
- Spinulum canadense
- Spinulum subarcticum
- Spiraea alba
- Spiraea billiardii
- Spiraea bumalda
- Spiraea cantoniensis
- Spiraea chamaedrifolia
- Spiraea corymbosa
- Spiraea japonica
- Spiraea latifolia
- Spiraea prunifolia
- Spiraea salicifolia
- Spiraea thunbergii
- Spiraea tomentosa
- Spiraea trilobata
- Spiraea vanhouttei
- Spiraea virginiana
- Spiranthes ×kapnosperia
- Spiranthes arcisepala
- Spiranthes brevilabris
- Spiranthes casei
- Spiranthes cernua
- Spiranthes eatonii
- Spiranthes floridana
- Spiranthes igniorchis
- Spiranthes incurva
- Spiranthes lacera
- Spiranthes laciniata
- Spiranthes longilabris
- Spiranthes lucida
- Spiranthes magnicamporum
- Spiranthes niklasii
- Spiranthes ochroleuca
- Spiranthes odorata
- Spiranthes ovalis
- Spiranthes parksii
- Spiranthes praecox
- Spiranthes romanzoffiana
- Spiranthes sylvatica
- Spiranthes torta
- Spiranthes triloba
- Spiranthes tuberosa
- Spiranthes vernalis
- Spirobassia hirsuta
- Spirodela polyrhiza
- Spondias purpurea
- Sporobolus airoides
- Sporobolus buckleyi
- Sporobolus clandestinus
- Sporobolus compositus
- Sporobolus contractus
- Sporobolus cryptandrus
- Sporobolus curtissii
- Sporobolus diandrus
- Sporobolus domingensis
- Sporobolus fertilis
- Sporobolus fimbriatus
- Sporobolus flexuosus
- Sporobolus floridanus
- Sporobolus giganteus
- Sporobolus heterolepis
- Sporobolus indicus
- Sporobolus jacquemontii
- Sporobolus junceus
- Sporobolus neglectus
- Sporobolus ozarkanus
- Sporobolus pinetorum
- Sporobolus purpurascens
- Sporobolus pyramidalis
- Sporobolus pyramidatus
- Sporobolus silveanus
- Sporobolus tenuissimus
- Sporobolus teretifolius
- Sporobolus texanus
- Sporobolus vaginiflorus
- Sporobolus virginicus
- Sporobolus wrightii
- Stachydeoma graveolens
- Stachys agraria
- Stachys alabamica
- Stachys annua
- Stachys appalachiana
- Stachys arenicola
- Stachys arvensis
- Stachys aspera
- Stachys byzantina
- Stachys caroliniana
- Stachys clingmanii
- Stachys cordata
- Stachys drummondii
- Stachys eplingii
- Stachys floridana
- Stachys germanica
- Stachys glandulosissima
- Stachys hispida
- Stachys hyssopifolia
- Stachys iltisii
- Stachys latidens
- Stachys matthewsii
- Stachys nelsonii
- Stachys nuttallii
- Stachys officinalis
- Stachys palustris
- Stachys pilosa
- Stachys subcordata
- Stachys tenuifolia
- Stachytarpheta jamaicensis
- Stachytarpheta urticifolia
- Stapfochloa canterae
- Stapfochloa ciliata
- Stapfochloa elata
- Stapfochloa grandiflora
- Staphylea trifolia
- Steinchisma hians
- Steinchisma laxum
- Steironema ciliatum
- Steironema gramineum
- Steironema hybridum
- Steironema lanceolatum
- Steironema quadriflorum
- Steironema radicans
- Steironema tonsum
- Stelis gelida
- Stellaria alsine
- Stellaria aquatica
- Stellaria borealis
- Stellaria corei
- Stellaria graminea
- Stellaria humifusa
- Stellaria longifolia
- Stellaria longipes
- Stellaria media
- Stellaria neglecta
- Stellaria pallida
- Stellaria prostrata
- Stellaria pubera
- Stemodia durantifolia
- Stemodia lanata
- Stemodia schottii
- Stenandrium dulce
- Stenanthium densum
- Stenanthium diffusum
- Stenanthium gramineum
- Stenanthium leimanthoides
- Stenanthium tennesseense
- Stenanthium texanum
- Stenochlaena tenuifolia
- Stenotaphrum secundatum
- Sternbergia lutea
- Stewartia malacodendron
- Stewartia ovata
- Stictocardia tiliifolia
- Stigmaphyllon sagraeanum
- Stillingia aquatica
- Stillingia sylvatica
- Stillingia tenuis
- Stillingia texana
- Stillingia treculiana
- Stipulicida lacerata
- Stipulicida setacea
- Stokesia laevis
- Streptanthus hyacinthoides
- Streptanthus maculatus
- Streptanthus petiolaris
- Streptanthus squamiformis
- Streptopus amplexifolius
- Streptopus lanceolatus
- Striga asiatica
- Striga gesnerioides
- Strophostyles helvola
- Strophostyles leiosperma
- Strophostyles umbellata
- Strumpfia maritima
- Strychnos spinosa
- Stuartina hamata
- Stuckenia filiformis
- Stuckenia pectinata
- Stuckenia striata
- Stuckenia vaginata
- Stylisma abdita
- Stylisma angustifolia
- Stylisma aquatica
- Stylisma humistrata
- Stylisma patens
- Stylisma pickeringii
- Stylisma villosa
- Stylophorum diphyllum
- Stylosanthes biflora
- Stylosanthes calcicola
- Stylosanthes hamata
- Styphnolobium affine
- Styphnolobium japonicum
- Styrax americanus
- Styrax grandifolius
- Styrax japonicus
- Styrax platanifolius
- Suaeda calceoliformis
- Suaeda conferta
- Suaeda linearis
- Suaeda maritima
- Suaeda richii
- Suaeda rolandii
- Suaeda tampicensis
- Subularia aquatica
- Succisella inflexa
- Sullivantia sullivantii
- Suriana maritima
- Swida alternifolia
- Swida amomum
- Swida asperifolia
- Swida drummondii
- Swida foemina
- Swida obliqua
- Swida racemosa
- Swida rugosa
- Swida sanguinea
- Swida sericea
- Swietenia mahagoni
- Syagrus romanzoffiana
- Symphoricarpos albus
- Symphoricarpos occidentalis
- Symphoricarpos orbiculatus
- Symphyotrichum adnatum
- Symphyotrichum anomalum
- Symphyotrichum anticostense
- Symphyotrichum attenuatum
- Symphyotrichum bahamense
- Symphyotrichum boreale
- Symphyotrichum bracei
- Symphyotrichum chapmanii
- Symphyotrichum ciliatum
- Symphyotrichum ciliolatum
- Symphyotrichum concinnum
- Symphyotrichum concolor
- Symphyotrichum cordifolium
- Symphyotrichum depauperatum
- Symphyotrichum divaricatum
- Symphyotrichum drummondii
- Symphyotrichum dumosum
- Symphyotrichum elliottii
- Symphyotrichum ericoides
- Symphyotrichum estesii
- Symphyotrichum eulae
- Symphyotrichum expansum
- Symphyotrichum falcatum
- Symphyotrichum firmum
- Symphyotrichum fontinale
- Symphyotrichum georgianum
- Symphyotrichum grandiflorum
- Symphyotrichum hesperium
- Symphyotrichum kralii
- Symphyotrichum laeve
- Symphyotrichum lanceolatum
- Symphyotrichum lateriflorum
- Symphyotrichum laurentianum
- Symphyotrichum lowrieanum
- Symphyotrichum novae-angliae
- Symphyotrichum novi-belgii
- Symphyotrichum oblongifolium
- Symphyotrichum ontarionis
- Symphyotrichum oolentangiense
- Symphyotrichum parviceps
- Symphyotrichum patens
- Symphyotrichum phlogifolium
- Symphyotrichum pilosum
- Symphyotrichum plumosum
- Symphyotrichum praealtum
- Symphyotrichum pratense
- Symphyotrichum prenanthoides
- Symphyotrichum priceae
- Symphyotrichum puniceum
- Symphyotrichum racemosum
- Symphyotrichum retroflexum
- Symphyotrichum rhiannon
- Symphyotrichum robynsianum
- Symphyotrichum schistosum
- Symphyotrichum sericeum
- Symphyotrichum shortii
- Symphyotrichum simmondsii
- Symphyotrichum squamatum
- Symphyotrichum subulatum
- Symphyotrichum tenuifolium
- Symphyotrichum texanum
- Symphyotrichum tradescantii
- Symphyotrichum turbinellum
- Symphyotrichum undulatum
- Symphyotrichum urophyllum
- Symphyotrichum walteri
- Symphytum asperum
- Symphytum officinale
- Symplocarpus foetidus
- Symplocos paniculata
- Symplocos tinctoria
- Synandra hispidula
- Synedrella nodiflora
- Syngonanthus flavidulus
- Syngonium angustatum
- Syngonium podophyllum
- Synthlipsis greggii
- Synthyris bullii
- Syringa reticulata
- Syringa vulgaris
- Syringodium filiforme
- Syzygium cumini
- Syzygium jambos
- Tabebuia aurea
- Tabebuia heterophylla
- Tabernaemontana alba
- Tabernaemontana divaricata
- Taeniatherum caput-medusae
- Taenidia integerrima
- Taenidia montana
- Tagetes erecta
- Tagetes lucida
- Tagetes minuta
- Tagetes patula
- Talinum fruticosum
- Talinum paniculatum
- Talinum polygaloides
- Talipariti tiliaceum
- Tamarindus indica
- Tamarix africana
- Tamarix aphylla
- Tamarix aralensis
- Tamarix canariensis
- Tamarix chinensis
- Tamarix gallica
- Tamarix parviflora
- Tamarix ramosissima
- Tamarix tetragyna
- Tamaulipa azurea
- Tanacetum balsamita
- Tanacetum bipinnatum
- Tanacetum parthenium
- Tanacetum vulgare
- Tara vesicaria
- Taraxacum ceratophorum
- Taraxacum erythrospermum
- Taraxacum holmenianum
- Taraxacum latilobum
- Taraxacum officinale
- Taraxacum palustre
- Tarenaya hassleriana
- Tarenaya spinosa
- Tauschia texana
- Taxodium ascendens
- Taxodium distichum
- Taxodium mucronatum
- Taxus baccata
- Taxus canadensis
- Taxus cuspidata
- Taxus floridana
- Tecoma stans
- Tecomaria capensis
- Tectaria coriandrifolia
- Tectaria fimbriata
- Tectaria heracleifolia
- Tectaria incisa
- Teesdalia nudicaulis
- Telmatoblechnum serrulatum
- Telosiphonia lanuginosa
- Telosma cordata
- Tephroseris palustris
- Tephrosia angustissima
- Tephrosia chrysophylla
- Tephrosia cinerea
- Tephrosia corallicola
- Tephrosia curtissii
- Tephrosia florida
- Tephrosia hispidula
- Tephrosia lindheimeri
- Tephrosia mohrii
- Tephrosia mysteriosa
- Tephrosia onobrychoides
- Tephrosia purpurea
- Tephrosia rugelii
- Tephrosia seminole
- Tephrosia spicata
- Tephrosia virginiana
- Terminalia arjuna
- Terminalia buceras
- Terminalia catappa
- Terminalia molinetii
- Terminalia muelleri
- Ternstroemia gymnanthera
- Tetraclea coulteri
- Tetradium daniellii
- Tetragonia tetragonoides
- Tetragonotheca helianthoides
- Tetragonotheca ludoviciana
- Tetragonotheca repanda
- Tetragonotheca texana
- Tetraneuris herbacea
- Tetraneuris linearifolia
- Tetraneuris scaposa
- Tetraneuris turneri
- Tetrapanax papyrifer
- Tetrazygia bicolor
- Teucrium botrys
- Teucrium canadense
- Teucrium cubense
- Teucrium laciniatum
- Thalassia testudinum
- Thalia dealbata
- Thalia geniculata
- Thalictrum alpinum
- Thalictrum amphibolum
- Thalictrum arkansanum
- Thalictrum clavatum
- Thalictrum cooleyi
- Thalictrum coriaceum
- Thalictrum dasycarpum
- Thalictrum debile
- Thalictrum dioicum
- Thalictrum hepaticum
- Thalictrum macrostylum
- Thalictrum mirabile
- Thalictrum pubescens
- Thalictrum sparsiflorum
- Thalictrum texanum
- Thalictrum thalictroides
- Thalictrum venulosum
- Thamnosma texana
- Thaspium barbinode
- Thaspium chapmanii
- Thaspium pinnatifidum
- Thaspium trifoliatum
- Thelesperma ambiguum
- Thelesperma burridgeanum
- Thelesperma filifolium
- Thelesperma flavodiscum
- Thelesperma megapotamicum
- Thelesperma nuecense
- Thelesperma simplicifolium
- Thelocactus bicolor
- Thelypteris palustris
- Themeda arguens
- Themeda quadrivalvis
- Themeda triandra
- Thermopsis fraxinifolia
- Thermopsis mollis
- Thermopsis villosa
- Thespesia populnea
- Thevetia peruviana
- Thinopyrum intermedium
- Thinopyrum ponticum
- Thinopyrum pycnanthum
- Thismia americana
- Thlaspi alliaceum
- Thlaspi arvense
- Thrinax radiata
- Thuja occidentalis
- Thunbergia alata
- Thunbergia erecta
- Thunbergia fragrans
- Thunbergia grandiflora
- Thurovia triflora
- Thymelaea passerina
- Thymophylla pentachaeta
- Thymophylla tenuiloba
- Thymophylla tephroleuca
- Thymophylla wrightii
- Thymus praecox
- Thymus pulegioides
- Thymus vulgaris
- Thyrsanthella difformis
- Tiarella cordifolia
- Tidestromia lanuginosa
- Tiedemannia canbyi
- Tiedemannia filiformis
- Tilia americana
- Tilia cordata
- Tilia europaea
- Tilia platyphyllos
- Tillandsia baileyi
- Tillandsia balbisiana
- Tillandsia bartramii
- Tillandsia fasciculata
- Tillandsia flexuosa
- Tillandsia floridana
- Tillandsia ionantha
- Tillandsia paucifolia
- Tillandsia pruinosa
- Tillandsia recurvata
- Tillandsia setacea
- Tillandsia simulata
- Tillandsia smalliana
- Tillandsia usneoides
- Tillandsia utriculata
- Tillandsia variabilis
- Tinantia anomala
- Tipularia discolor
- Tiquilia canescens
- Tithonia diversifolia
- Tithonia rotundifolia
- Tofieldia coccinea
- Tofieldia glabra
- Tofieldia pusilla
- Tolumnia bahamensis
- Tomostima cuneifolia
- Tomostima platycarpa
- Tomostima reptans
- Toona sinensis
- Torenia crustacea
- Torenia fournieri
- Torilis arvensis
- Torilis japonica
- Torilis leptophylla
- Torilis nodosa
- Torreya taxifolia
- Torreyochloa fernaldii
- Torreyochloa pallida
- Townsendia exscapa
- Toxicodendron pubescens
- Toxicodendron radicans
- Toxicodendron rydbergii
- Toxicodendron vernix
- Toxicoscordion nuttallii
- Trachelospermum asiaticum
- Trachelospermum jasminoides
- Trachypogon spicatus
- Trachyspermum ammi
- Tradescantia bracteata
- Tradescantia buckleyi
- Tradescantia crassula
- Tradescantia edwardsiana
- Tradescantia ernestiana
- Tradescantia fluminensis
- Tradescantia gigantea
- Tradescantia hirsuticaulis
- Tradescantia hirsutiflora
- Tradescantia humilis
- Tradescantia longipes
- Tradescantia mundula
- Tradescantia occidentalis
- Tradescantia ohiensis
- Tradescantia ozarkana
- Tradescantia pallida
- Tradescantia paludosa
- Tradescantia reverchonii
- Tradescantia roseolens
- Tradescantia spathacea
- Tradescantia subacaulis
- Tradescantia subaspera
- Tradescantia tharpii
- Tradescantia virginiana
- Tradescantia zebrina
- Tragia amblyodonta
- Tragia betonicifolia
- Tragia brevispica
- Tragia cordata
- Tragia glanduligera
- Tragia ramosa
- Tragia saxicola
- Tragia smallii
- Tragia urens
- Tragia urticifolia
- Tragopogon dubius
- Tragopogon porrifolius
- Tragopogon pratensis
- Tragus australianus
- Tragus berteronianus
- Tragus heptaneuron
- Tragus racemosus
- Trapa natans
- Trautvetteria applanata
- Trautvetteria caroliniensis
- Trautvetteria fonticalcarea
- Trema lamarckianum
- Trema micranthum
- Trema orientalis
- Trepocarpus aethusae
- Triadenum fraseri
- Triadenum tubulosum
- Triadenum virginicum
- Triadenum walteri
- Triadica sebifera
- Triantha glutinosa
- Triantha racemosa
- Trianthema portulacastrum
- Tribulus cistoides
- Tribulus terrestris
- Tricerma phyllanthoides
- Tricerma texanum
- Trichachne californica
- Trichachne hitchcockii
- Trichachne insularis
- Trichachne patens
- Trichocentrum carthagenense
- Trichocentrum undulatum
- Trichocoronis wrightii
- Trichomanes holopterum
- Trichoneura elegans
- Trichophorum alpinum
- Trichophorum cespitosum
- Trichophorum clintonii
- Trichophorum planifolium
- Trichophorum pumilum
- Trichosanthes tricuspidata
- Trichostema brachiatum
- Trichostema dichotomum
- Trichostema nesophilum
- Trichostema setaceum
- Trichostema suffrutescens
- Trichostigma octandrum
- Tricyrtis hirta
- Tridax procumbens
- Tridens albescens
- Tridens ambiguus
- Tridens buckleyanus
- Tridens carolinianus
- Tridens chapmanii
- Tridens congestus
- Tridens flavus
- Tridens strictus
- Tridens texanus
- Tridentopsis mutica
- Trientalis borealis
- Trifolium angustifolium
- Trifolium arvense
- Trifolium aureum
- Trifolium bejariense
- Trifolium calcaricum
- Trifolium campestre
- Trifolium carolinianum
- Trifolium cernuum
- Trifolium depauperatum
- Trifolium dubium
- Trifolium fragiferum
- Trifolium glomeratum
- Trifolium gracilentum
- Trifolium hirtum
- Trifolium hybridum
- Trifolium incarnatum
- Trifolium kentuckiense
- Trifolium lappaceum
- Trifolium medium
- Trifolium michelianum
- Trifolium nigrescens
- Trifolium polymorphum
- Trifolium pratense
- Trifolium reflexum
- Trifolium repens
- Trifolium resupinatum
- Trifolium scabrum
- Trifolium spumosum
- Trifolium stoloniferum
- Trifolium striatum
- Trifolium subterraneum
- Trifolium tomentosum
- Trifolium vesiculosum
- Trifolium virginicum
- Triglochin gaspensis
- Triglochin maritima
- Triglochin palustris
- Triglochin striata
- Trigonella caerulea
- Trilisa odoratissima
- Trilisa paniculata
- Trilisa subtropicana
- Trillidium undulatum
- Trillium catesbaei
- Trillium cernuum
- Trillium cuneatum
- Trillium decipiens
- Trillium decumbens
- Trillium delicatum
- Trillium discolor
- Trillium erectum
- Trillium flexipes
- Trillium foetidissimum
- Trillium georgianum
- Trillium gracile
- Trillium grandiflorum
- Trillium lancifolium
- Trillium ludovicianum
- Trillium luteum
- Trillium maculatum
- Trillium nivale
- Trillium oostingii
- Trillium persistens
- Trillium pusillum
- Trillium recurvatum
- Trillium reliquum
- Trillium rugelii
- Trillium sessile
- Trillium simile
- Trillium stamineum
- Trillium sulcatum
- Trillium tennesseense
- Trillium texanum
- Trillium underwoodii
- Trillium vaseyi
- Trillium viride
- Trillium viridescens
- Trimezia steyermarkii
- Triodanis biflora
- Triodanis coloradoensis
- Triodanis holzingeri
- Triodanis lamprosperma
- Triodanis leptocarpa
- Triodanis perfoliata
- Triodanis texana
- Triosteum angustifolium
- Triosteum aurantiacum
- Triosteum perfoliatum
- Triphasia trifolia
- Triphora amazonica
- Triphora craigheadii
- Triphora gentianoides
- Triphora rickettii
- Triphora trianthophoros
- Tripidium ravennae
- Triplaris melaenodendron
- Triplasiella eragrostoides
- Triplasis americana
- Triplasis purpurea
- Tripleurospermum inodorum
- Tripleurospermum maritimum
- Tripsacum dactyloides
- Tripsacum floridanum
- Triraphis mollis
- Trisetum flavescens
- Tristagma uniflorum
- Triticum aestivum
- Triticum turgidum
- Triumfetta pentandra
- Triumfetta rhomboidea
- Triumfetta semitriloba
- Trixis inula
- Trollius laxus
- Tropaeolum majus
- Tropidia polystachya
- Tsuga canadensis
- Tsuga caroliniana
- Tulipa gesneriana
- Tulipa sylvestris
- Turbina corymbosa
- Turnera diffusa
- Turnera subulata
- Turnera ulmifolia
- Turritis glabra
- Tussilago farfara
- Typha angustifolia
- Typha domingensis
- Typha glauca
- Typha latifolia
- Ulex europaeus
- Ulmus alata
- Ulmus americana
- Ulmus crassifolia
- Ulmus glabra
- Ulmus intermedia
- Ulmus minor
- Ulmus parvifolia
- Ulmus pumila
- Ulmus rubra
- Ulmus serotina
- Ulmus thomasii
- Ungnadia speciosa
- Uniola paniculata
- Urena lobata
- Urena sinuata
- Urochloa adspersa
- Urochloa arizonica
- Urochloa arrecta
- Urochloa brizantha
- Urochloa ciliatissima
- Urochloa deflexa
- Urochloa distachya
- Urochloa fusca
- Urochloa humidicola
- Urochloa mutica
- Urochloa piligera
- Urochloa plantaginea
- Urochloa platyphylla
- Urochloa pubigera
- Urochloa ramosa
- Urochloa reptans
- Urochloa texana
- Urochloa villosa
- Uropappus lindleyi
- Urtica ballotifolia
- Urtica chamaedryoides
- Urtica dioica
- Urtica gracilis
- Urtica urens
- Urvillea ulmacea
- Utricularia amethystina
- Utricularia biflora
- Utricularia cornuta
- Utricularia floridana
- Utricularia foliosa
- Utricularia geminiscapa
- Utricularia gibba
- Utricularia inflata
- Utricularia intermedia
- Utricularia juncea
- Utricularia macrorhiza
- Utricularia minor
- Utricularia ochroleuca
- Utricularia olivacea
- Utricularia purpurea
- Utricularia radiata
- Utricularia resupinata
- Utricularia simulans
- Utricularia striata
- Utricularia subulata
- Uvularia floridana
- Uvularia grandiflora
- Uvularia perfoliata
- Uvularia puberula
- Uvularia sessilifolia
- Vaccaria hispanica
- Vaccinium altomontanum
- Vaccinium angustifolium
- Vaccinium arboreum
- Vaccinium boreale
- Vaccinium caesariense
- Vaccinium cespitosum
- Vaccinium corymbosum
- Vaccinium crassifolium
- Vaccinium darrowii
- Vaccinium elliottii
- Vaccinium erythrocarpum
- Vaccinium formosum
- Vaccinium fuscatum
- Vaccinium hirsutum
- Vaccinium macrocarpon
- Vaccinium membranaceum
- Vaccinium myrsinites
- Vaccinium myrtilloides
- Vaccinium ovalifolium
- Vaccinium oxycoccos
- Vaccinium pallidum
- Vaccinium sempervirens
- Vaccinium simulatum
- Vaccinium stamineum
- Vaccinium tenellum
- Vaccinium uliginosum
- Vaccinium virgatum
- Vaccinium vitis-idaea
- Vachellia bravoensis
- Vachellia choriophylla
- Vachellia constricta
- Vachellia cornigera
- Vachellia densiflora
- Vachellia farnesiana
- Vachellia macracantha
- Vachellia peninsularis
- Vachellia rigidula
- Vachellia sphaerocephala
- Vachellia tortuosa
- Vahlodea atropurpurea
- Valeriana ciliata
- Valeriana dioica
- Valeriana officinalis
- Valeriana pauciflora
- Valeriana scandens
- Valeriana uliginosa
- Valerianella amarella
- Valerianella chenopodiifolia
- Valerianella dentata
- Valerianella florifera
- Valerianella locusta
- Valerianella longiflora
- Valerianella nuttallii
- Valerianella ozarkana
- Valerianella palmeri
- Valerianella radiata
- Valerianella stenocarpa
- Valerianella umbilicata
- Vallesia antillana
- Vallisneria americana
- Vallisneria neotropicalis
- Vandenboschia boschiana
- Vanilla barbellata
- Vanilla dilloniana
- Vanilla mexicana
- Vanilla phaeantha
- Vanilla planifolia
- Vanilla pompona
- Varilla texana
- Varronia bahamensis
- Varronia curassavica
- Varronia humilis
- Varronia podocephala
- Vaseyochloa multinervosa
- Ventenata dubia
- Veratrum viride
- Verbascum blattaria
- Verbascum lychnitis
- Verbascum nigrum
- Verbascum phlomoides
- Verbascum phoeniceum
- Verbascum sinuatum
- Verbascum thapsus
- Verbascum virgatum
- Verbena bonariensis
- Verbena bracteata
- Verbena brasiliensis
- Verbena canescens
- Verbena carnea
- Verbena cloverae
- Verbena halei
- Verbena hastata
- Verbena hirtella
- Verbena incompta
- Verbena montevidensis
- Verbena officinalis
- Verbena plicata
- Verbena rigida
- Verbena runyonii
- Verbena scabra
- Verbena simplex
- Verbena stricta
- Verbena urticifolia
- Verbena xutha
- Verbesina alternifolia
- Verbesina aristata
- Verbesina chapmanii
- Verbesina encelioides
- Verbesina helianthoides
- Verbesina heterophylla
- Verbesina lindheimeri
- Verbesina microptera
- Verbesina occidentalis
- Verbesina virginica
- Verbesina walteri
- Vernicia fordii
- Vernonia acaulis
- Vernonia angustifolia
- Vernonia arkansana
- Vernonia baldwinii
- Vernonia blodgettii
- Vernonia fasciculata
- Vernonia flaccidifolia
- Vernonia georgiana
- Vernonia gigantea
- Vernonia glauca
- Vernonia lettermannii
- Vernonia lindheimeri
- Vernonia marginata
- Vernonia missurica
- Vernonia noveboracensis
- Vernonia ovalifolia
- Vernonia pulchella
- Vernonia texana
- Veronica agrestis
- Veronica americana
- Veronica anagallis-aquatica
- Veronica argute-serrata
- Veronica arvensis
- Veronica beccabunga
- Veronica catenata
- Veronica chamaedrys
- Veronica cymbalaria
- Veronica dillenii
- Veronica filiformis
- Veronica hederifolia
- Veronica longifolia
- Veronica officinalis
- Veronica peregrina
- Veronica persica
- Veronica polita
- Veronica scutellata
- Veronica serpyllifolia
- Veronica spicata
- Veronica sublobata
- Veronica teucrium
- Veronica triloba
- Veronica triphyllos
- Veronica undulata
- Veronica verna
- Veronica wormskjoldii
- Veronicastrum virginicum
- Vesper macrorhizus
- Vesper montanus
- Viburnum acerifolium
- Viburnum alabamense
- Viburnum bracteatum
- Viburnum carlesii
- Viburnum carolinianum
- Viburnum cassinoides
- Viburnum deamii
- Viburnum dentatum
- Viburnum dilatatum
- Viburnum edule
- Viburnum lantana
- Viburnum lantanoides
- Viburnum lentago
- Viburnum macrocephalum
- Viburnum molle
- Viburnum nitidum
- Viburnum nudum
- Viburnum obovatum
- Viburnum opulus
- Viburnum plicatum
- Viburnum prunifolium
- Viburnum rafinesqueanum
- Viburnum recognitum
- Viburnum rhytidophylloides
- Viburnum rhytidophyllum
- Viburnum rufidulum
- Viburnum scabrellum
- Viburnum setigerum
- Viburnum sieboldii
- Viburnum trilobum
- Viburnum venosum
- Vicia acutifolia
- Vicia americana
- Vicia articulata
- Vicia caroliniana
- Vicia cracca
- Vicia faba
- Vicia floridana
- Vicia grandiflora
- Vicia hirsuta
- Vicia lathyroides
- Vicia ludoviciana
- Vicia lutea
- Vicia minutiflora
- Vicia narbonensis
- Vicia ocalensis
- Vicia pannonica
- Vicia sativa
- Vicia sepium
- Vicia tetrasperma
- Vicia villosa
- Vigna adenantha
- Vigna angularis
- Vigna hosei
- Vigna luteola
- Vigna radiata
- Vigna unguiculata
- Viguiera dentata
- Viguiera stenoloba
- Vinca herbacea
- Vinca major
- Vinca minor
- Vincetoxicum nigrum
- Vincetoxicum rossicum
- Viola adunca
- Viola affinis
- Viola appalachiensis
- Viola arvensis
- Viola baxteri
- Viola bicolor
- Viola blanda
- Viola brittoniana
- Viola canadensis
- Viola chalcosperma
- Viola cucullata
- Viola edulis
- Viola egglestonii
- Viola eriocarpa
- Viola floridana
- Viola hastata
- Viola hirsutula
- Viola incognita
- Viola labradorica
- Viola lanceolata
- Viola langloisii
- Viola missouriensis
- Viola nephrophylla
- Viola novae-angliae
- Viola nuttallii
- Viola odorata
- Viola pallens
- Viola palmata
- Viola palustris
- Viola pedata
- Viola pedatifida
- Viola primulifolia
- Viola pubescens
- Viola renifolia
- Viola rostrata
- Viola rotundifolia
- Viola sagittata
- Viola selkirkii
- Viola septemloba
- Viola septentrionalis
- Viola sororia
- Viola stoneana
- Viola striata
- Viola subsinuata
- Viola tenuipes
- Viola tricolor
- Viola tripartita
- Viola viarum
- Viola villosa
- Viola walteri
- Viola wittrockiana
- Visnaga daucoides
- Vitex agnus-castus
- Vitex glabrata
- Vitex negundo
- Vitex rotundifolia
- Vitex trifolia
- Vitis acerifolia
- Vitis aestivalis
- Vitis baileyana
- Vitis berlandieri
- Vitis cinerea
- Vitis labrusca
- Vitis labruscana
- Vitis lincecumii
- Vitis monticola
- Vitis mustangensis
- Vitis novae-angliae
- Vitis palmata
- Vitis riparia
- Vitis rufotomentosa
- Vitis rupestris
- Vitis shuttleworthii
- Vitis simpsonii
- Vitis vinifera
- Vitis vulpina
- Vittadinia sulcata
- Vittaria appalachiana
- Vittaria graminifolia
- Vittaria lineata
- Volkameria glabra
- Wahlenbergia linarioides
- Wahlenbergia marginata
- Waldsteinia doniana
- Waldsteinia fragarioides
- Waldsteinia lobata
- Waltheria bahamensis
- Waltheria indica
- Warea amplexifolia
- Warea carteri
- Warea cuneifolia
- Warea sessilifolia
- Warnockia scutellarioides
- Washingtonia robusta
- Wedelia acapulcensis
- Wedelia fruticosa
- Weigela floribunda
- Willkommia texana
- Wissadula hernandioides
- Wissadula parvifolia
- Wissadula periplocifolia
- Wisteria ×formosa
- Wisteria floribunda
- Wisteria frutescens
- Wisteria sinensis
- Wolffia borealis
- Wolffia brasiliensis
- Wolffia columbiana
- Wolffia globosa
- Wolffiella gladiata
- Wolffiella lingulata
- Wolffiella oblonga
- Woodsia alpina
- Woodsia appalachiana
- Woodsia glabella
- Woodsia ilvensis
- Woodsia obtusa
- Woodsia scopulina
- Woodwardia radicans
- Xanthisma spinulosum
- Xanthisma texanum
- Xanthium ambrosioides
- Xanthium chinense
- Xanthium echinatum
- Xanthium orientale
- Xanthium speciosum
- Xanthium spinosum
- Xanthium strumarium
- Xanthorhiza simplicissima
- Xanthosoma sagittifolium
- Xerochrysum bracteatum
- Xerophyllum asphodeloides
- Ximenia americana
- Xylosma buxifolia
- Xylosma congesta
- Xylosma flexuosa
- Xyris ambigua
- Xyris baldwiniana
- Xyris brevifolia
- Xyris calcicola
- Xyris caroliniana
- Xyris chapmanii
- Xyris correlliorum
- Xyris curtissii
- Xyris difformis
- Xyris drummondii
- Xyris elliottii
- Xyris fimbriata
- Xyris flabelliformis
- Xyris floridana
- Xyris iridifolia
- Xyris isoetifolia
- Xyris jupicai
- Xyris longisepala
- Xyris louisianica
- Xyris montana
- Xyris panacea
- Xyris platylepis
- Xyris scabrifolia
- Xyris serotina
- Xyris smalliana
- Xyris spathifolia
- Xyris stricta
- Xyris tennesseensis
- Xyris torta
- Yeatesia platystegia
- Yeatesia viridiflora
- Youngia japonica
- Youngia thunbergiana
- Yucca aloifolia
- Yucca arkansana
- Yucca cernua
- Yucca constricta
- Yucca filamentosa
- Yucca flaccida
- Yucca freemanii
- Yucca glauca
- Yucca gloriosa
- Yucca louisianensis
- Yucca necopina
- Yucca pallida
- Yucca recurvifolia
- Yucca rupicola
- Yucca tenuistyla
- Yucca torreyi
- Yucca treculeana
- Zamia furfuracea
- Zamia integrifolia
- Zannichellia palustris
- Zanthoxylum americanum
- Zanthoxylum clava-herculis
- Zanthoxylum coriaceum
- Zanthoxylum fagara
- Zanthoxylum flavum
- Zanthoxylum hirsutum
- Zea mays
- Zea perennis
- Zelkova serrata
- Zeltnera beyrichii
- Zeltnera breviflora
- Zeltnera calycosa
- Zeltnera texensis
- Zenobia pulverulenta
- Zephyranthes atamasco
- Zephyranthes candida
- Zephyranthes chlorosolen
- Zephyranthes citrina
- Zephyranthes drummondii
- Zephyranthes insularum
- Zephyranthes jonesii
- Zephyranthes minuta
- Zephyranthes pulchella
- Zephyranthes refugiensis
- Zephyranthes rosea
- Zephyranthes simpsonii
- Zephyranthes smallii
- Zephyranthes traubii
- Zephyranthes treatiae
- Zeuxine strateumatica
- Zigadenus glaberrimus
- Zingiber zerumbet
- Zinnia acerosa
- Zinnia elegans
- Zinnia peruviana
- Zizania aquatica
- Zizania palustris
- Zizania texana
- Zizaniopsis miliacea
- Zizia aptera
- Zizia aurea
- Zizia trifoliata
- Ziziphus jujuba
- Ziziphus mauritiana
- Zornia bracteata
- Zornia gemella
- Zostera marina
- Zoysia japonica
- Zoysia matrella
- Zoysia pacifica
- Zuloagaea bulbosa
Taxon categories
editCategory clean-up
edit- Categorize...
- Plant characteristics
- Category:Hummingbird species of...
- Category:Elm species and varieties
- Category:Extinct chordates
- Category:Plants and humans
- Category:Animal taxa by author and Category:Botanical taxa by author
- Category:Cenozoic life and its subcategories
- Category:Natural history of California by region
- Category:Natural history of Hawaii by region
- Category:Invasive species
- Propose deleting Category:Invasive plant species by region (edit | talk | history | links | watch | logs)
- Propose deleting Category:Invasive plant species in Australia (edit | talk | history | links | watch | logs)
- Propose deleting Category:Invasive plant species in Canada (edit | talk | history | links | watch | logs)
- Propose deleting Category:Invasive plant species in Europe (edit | talk | history | links | watch | logs)
- Propose deleting Category:Invasive plant species in Sri Lanka (edit | talk | history | links | watch | logs)
- Propose deleting Category:Invasive plant species in South Africa (edit | talk | history | links | watch | logs)
- Propose deleting Category:Invasive plant species in the United States (edit | talk | history | links | watch | logs)
- Some of these, like Category:Invasive plant species in South Africa have a few articles that can be recategorized in Category:Invasive species in South Africa: List of invasive plant species in South Africa, List of invasive species in South Africa, and Prickly pears in South Africa (Category:Invasive plants in South Africa would be a very very small category-2 articles?). Others, like Category:Invasive plant species in Sri Lanka do not appear to have any Sri Lanka-specific articles and can just be wholly deleted, or moved to a well-referenced list if desired.
ASM Mammal Diversity Database
edit- See User:Hyperik/MDD
Commonly observed mollusks and vernacular names
edit- Ariolimax buttoni
- Ariolimax californicus
- Blue-ringed top snail
- British columbia doto
- Broad-ribbed cardita
- Bronze shoulderband
- Brown tegula
- Bushy-backed nudibranch
- California aglaja
- California banana slug
- California cone
- California jackknife clam
- California lancetooth
- California seahare
- California spiny chiton
- Cantabrian nudibranch
- Caracolus caracolla
- Caramel nudibranch
- Carinate dovesnail
- Chama arcana
- Changeable mantleslug
- Channeled apple snail
- Checkered nerite
- Checkered periwinkle
- Chinese pond mussel
- Chocolate-band snail
- Citrine nudibranch
- Clear jewel box
- Clown doris
- Cockerell's dorid
- Colorful dirona
- Common european limpet
- Common grey sea slug
- Common jingle
- Common slipper snail
- Common sydney octopus
- Conspicuous chiton
- Copse snail
- Cuban brown snail
- Elegant phyllidia
- Ensis leei
- Eontia ponderosa
- Epitonium tinctum
- European snail
- File limpet
- Fingered limpet
- Flat periwinkle
- Florida tree snail
- Four-lined polycera
- Giant floater mussel
- Giant rock scallop
- Gilded tegula
- Globular drop snail
- Glyptostoma newberryanum
- Gold lace nudibranch
- Gould beanclam
- Graceful aeolid
- Great pond-snail
- Green falsejingle
- Green garden snail
- Greenhouse slug
- Hairy spiny doris
- Half-slipper snail
- Haplotrema minimum
- Heath snail
- Heath's chiton
- Heath's dorid
- Hedgpeth's dorid
- Helminthoglypta arrosa
- Helminthoglypta traskii
- Hilton's aeolid
- Hind's chiton
- Homberg's triton
- Homely aeolid
- Hooked slippersnail
- Hopkins' rose
- Humped ancula
- Imperial nudibranch
- Incongruous ark
- Infraclass pulmonata
- Knobbed triton
- Krohn's dorid
- Laguna beach aeolid
- Lepidozona cooperi
- Lepidozona mertensii
- Lesser two-spot octopus
- Lewis' moon snail
- Linisa texasiana
- Little black mussel
- Lunarca ovalis
- Marsh rams-horn
- Marsh slug
- Mask limpet
- Mcdonald's dorid
- Mediterranean violet aeolid
- Merten's chiton
- Monterey doris
- Mopalia lignosa
- Mourning cuttlefish
- Mourning dorid
- Neverita reclusiana
- New zealand cockle
- New zealand green-lipped mussel
- New zealand scallop
- Nicklin's peninsula snail
- Norris's topsnail
- Northern bay mussel
- Nuttallina californica
- Ocellate phyllidia
- Olive's aeolid
- Onyx slipper snail
- Orange-clubbed sea slug
- Orange-spike polycera
- Ornate limpet
- Ostrich foot snail
- Pacific calico scallop
- Painted wentletrap
- Papillate sea slug
- Patera roemeri
- Philomycus flexuolaris
- Pinhead spot snail
- Pink coryphella
- Plate limpet
- Ponderous ark
- Poulson's dwarf triton
- Prairie rabdotus
- Prophysaon foliolatum
- Pteraeolidia semperi
- Puerto rican tree snail
- Purple dwarf olive
- Purple flabellina
- Purple mahogany clam
- Rabdotus mooreanus
- Ragged seahare
- Recluz's moon snail
- Red aldisa
- Red dorid
- Red-fingered coryphella
- Red-mouthed whelk
- Redwood sideband
- Regal sea goddess
- Rose-pink cuthona
- Rough limpet
- Rounded snail
- Round-mouthed snail
- Salt-and-pepper doris
- San diego chestnut
- San diego dorid
- Santa barbara janolus
- Scaled worm snail
- Sepia plangon
- Shiny aeolid
- Short-tailed ceratosoma
- Sinistrofulgur pulleyi
- Slippery moss-snail
- Small pointed snail
- Snakeskin chiton
- Soft-shelled clam
- Southern california shoulderband
- Southern flatcoil
- Spectral bittersweet clam
- Spotted top snail
- Spotted triopha
- Spotted unicorn
- Stenoplax heathiana
- Striate wolfsnail
- Stubby-frond dendronotus
- Texas lightning whelk
- Texas liptooth
- Texas oval
- Thick-horned nudibranch
- Three-lined aeolid
- Toga mantleslug
- Tom smith's nudibranch
- Tortoiseshell limpet
- Transverse ark
- Trask's shoulderband
- Tricolored felimare
- Turkish snail
- Turret shell
- Two spotted keyhole limpet
- Variable chiton
- Varicose wart slug
- Velvet dorid
- Vespericola columbianus
- Violet sea snail
- Wavy turban
- West Indian bulimulus
- White dendronotus
- White flabellina
- White Italian snail
- White-crusted aeolid
- White-lined dirona
- Whitelip
- White-lip globe
- White-spotted dorid
- Whitewashed rabdotus
- Winding mantleslug
- Woody chiton
- Wrinkled purple
- Xenostrobus neozelanicus
- Yellow-bordered taildropper
Some homonyms
edit- Aberia
- Abietinella
- Acantharia
- Acanthopale
- Acca
- Achlya
- Acineta
- Acis
- Acrasia
- Acrotylus
- Actidium
- Actinodendron
- Adamsia
- Adenophora
- Adesmia muricata
- Afzelia
- Agathis
- Agnesia
- Agonis
- Alania
- Alaria
- Albertinia
- Alectoria
- Alina
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- Apona
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- Ariopsis
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- Ashtonia
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- Astraea
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- Augusta
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- Autonoe
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- Brachynema
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- Chlanidophora
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- Cinclidium
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- Clathrella
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- Clausia
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- Clevelandia
- Climacoptera
- Clivia
- Clusia
- Clypeola
- Clypeolum
- Cnestrum
- Coccoidea
- Codon
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- Coemansia
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- Cola
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- Coloradoa
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- Coniophora
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- Cookella
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- Cordia
- Cordyla
- Coris
- Coronilla
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- Corynaea
- Coryne
- Corynephorus
- Corythophora
- Cota
- Cowania
- Crambe
- Craspedodiscus
- Crassula
- Cremnophila
- Crepidotus
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- Crucianella
- Crucibulum
- Cryphaea
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- Cryptomeria
- Cryptoporus
- Cryptothele
- Ctenophora
- Ctenopsis
- Cucumella
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- Curitiba
- Cyanea
- Cyanopsis
- Cybebus
- Cyclogramma
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- Cyclorhiza
- Cycnia
- Cymbidium
- Cynodon
- Cyrtophora
- Cyrtopsis
- Cyrtosia
- Cystophora
- Dacrydium
- Dactylanthus
- Dahlia
- Daltonia
- Danae
- Darlingtonia
- Dasypogon
- Davidsonia
- Dawsonia
- Deccania
- Deckenia
- Decodon
- Deidamia
- Dendropemon
- Desmanthus
- Desmococcus
- Devillea
- Diabole
- Diadema
- Dianella
- Dianema
- Diascia
- Diastella
- Diastema
- Diblemma
- Diceratops
- Dichaetophora
- Dicranella
- Dicranophora
- Dictyonella
- Dictyonia
- Didymocystis
- Digitaria
- Dilophus
- Dinema
- Dinetus
- Dionaea
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- Diplolepis
- Diplosoma
- Diplotaxis
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- Diplura
- Dipogon
- Dirina
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- Discophora
- Discus
- Dispira
- Ditaxis
- Diuris
- Dolichomastix
- Donax
- Dorcadion
- Doryphora
- Dracaena
- Drimys
- Drosophila
- Drummondia
- Dryas
- Drymonia
- Drymophila
- Dugesia
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- Dysphania
- Echinacea
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- Edgaria
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- Enallagma
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- Enteropogon
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- Ephelis
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- Ephemeroidea
- Ephemeropsis
- Epiblema
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- Epiphora
- Erato
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- Eremophila
- Erianthus
- Erica
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- Eriochiton
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- Eurhabdus
- Euryale
- Eurybia
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- Eversmannia
- Falcaria
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- Faurea
- Fauriella
- Felipponea
- Fennellia
- Fergania
- Fergusonia
- Ficus
- Fioria
- Fischeria
- Fissurina
- Fitchia
- Flintiella
- Fluminicola
- Fortunella
- Fosterella
- Fridericia
- Fritillaria
- Funaria
- Furcilla
- Furia
- Furnariidae
- Gaimardia
- Galeana
- Galearia
- Galeopsis
- Gallienia
- Gambelia
- Ganonema
- Gastonia
- Gattya
- Gaudichaudia
- Gaussia
- Geminella
- Genea
- Gentingia
- Geococcus
- Gesneria
- Gilia
- Gilliesia
- Gillotia
- Giraudia
- Glaucidium
- Glauconema
- Glenniea
- Glyphis
- Glyphopeltis
- Gmelina
- Goethalsia
- Goldmania
- Gomphus
- Goniodoma
- Goodia
- Gordonia
- Gouania
- Gouldia
- Graellsia
- Grahamia
- Graphis
- Graphium
- Gravesia
- Grayia
- Gronovia
- Guestia
- Gundlachia
- Gustavia
- Gyptis
- Hainania
- Halocharis
- Halopteris
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- Hannonia
- Haplophyllum
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- Harleya
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- Hemitoma
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- Henrya
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- Herbertia
- Herdmania
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- Hermannia
- Herodotia
- Heterococcus
- Heteropogon
- Heteropsis
- Heterotropa
- Hibbertia
- Hildebrandtiella
- Hildegardia
- Hillia
- Hintonia
- Hippia
- Hirtella
- Hoffmania
- Holmbergia
- Holmiella
- Holopogon
- Holubia
- Homopholis
- Hopkinsia
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- Houstonia
- Howea
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- Humbertiella
- Hydrophilus
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- Laeliopsis
- Lagurus
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- Lanceola
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- Lawsonia
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- Leiothrix
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- Leptodon
- Leptonema
- Leptospira
- Leptostylis
- Leptotes
- Leschenaultia
- Lessertia
- Lessonia
- Lestoidea
- Lesueuria
- Leucandra
- Leucoptera
- Leucostoma
- Leucothoe
- Lichina
- Ligaria
- Lilaea
- Limbella
- Limnophila
- Limonia
- Lindbergia
- Lindenia
- Lindera
- Lindigia
- Lindra
- Linostoma
- Liparis
- Lipochaeta
- Liriope
- Lloydia
- Lobata
- Lobophora
- Lockhartia
- Loewia
- Logania
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- Lophura
- Lordhowea
- Loricaria
- Loricella
- Lucilia
- Ludia
- Ludwigia
- Luma
- Lundiella
- Luzonia
- Lycopus
- Lyellia
- Lyonia
- Lysidice
- Lysurus
- Macgregoria
- Machaerium
- Macrocoma
- Macroderma
- Macrolenes
- Macropeplus
- Macrostylis
- Maddenia
- Malacothrix
- Mallotus
- Malupa
- Mansonia
- Mapania
- Maripa
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- Mastophora
- Mauritia
- Mawsonia
- Mazaea
- Mecopus
- Melaniella
- Melanochaeta
- Melanogaster
- Melanomma
- Melanotus
- Melasina
- Melia
- Meloini
- Mentzelia
- Merope
- Mertensia
- Metanema
- Metatrichia
- Metschnikowia
- Metzgeria
- Mexicoa
- Meyenia
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- Microcladia
- Microcodon
- Microcyclus
- Microdiscus
- Micromonas
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- Microrhinus
- Microstigma
- Microstoma
- Milesia
- Milleria
- Mimulus
- Mitchella
- Mitraria
- Mitrella
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- Monadenia
- Monarda
- Monascus
- Monopsis
- Monotaxis
- Montanoa
- Monteiroa
- Moorella
- Mora
- Morelia
- Morganella
- Morus
- Muelleriella
- Muellerina
- Mukia
- Myrinia
- Myrionema
- Myrmecia
- Mytilopsis
- Myurella
- Myxa
- Nais
- Namibia
- Napaea
- Nauplius
- Nautococcus
- Necator
- Nectria
- Nelia
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- Nemesia
- Neodesmus
- Neosiphonia
- Nesolechia
- Neta
- Newtonia
- Nidularia
- Nilssonia
- Nosema
- Notopleura
- Oceanites
- Odontella
- Odontophorus
- Odontostoma
- Odontura
- Oenanthe
- Okenia
- Olea
- Olfersia
- Oligochaeta
- Olla
- Olyra
- Omania
- Ommatophora
- Oncotylus
- Onnia
- Onychophora
- Operculina
- Ophidion
- Ophiocephalus
- Orania
- Orchipedum
- Orestias
- Orgyia
- Oricia
- Orina
- Ormosia
- Oroya
- Orthosia
- Oryctes
- Osa
- Osbornia
- Ostodes
- Ourococcus
- Ovidia
- Owenia
- Oxyphyllum
- Oxyporus
- Oxyrhynchus
- Oxystigma
- Ozophora
- Pabellonia
- Pachystylus
- Palaua
- Palmeria
- Palmicola
- Palumbina
- Panderia
- Pandora
- Panus
- Papillaria
- Paracephala
- Paradrymonia
- Paragonia
- Paralophia
- Parastenella
- Parisia
- Parkia
- Parlatoria
- Parmena
- Parthenope
- Passerina
- Patellina
- Paulinella
- Pavonia
- Paxillus
- Pectinaria
- Pehria
- Pelea
- Pellaea
- Pennella
- Pentachaeta
- Pentagramma
- Pentodon
- Periboea
- Perigrapha
- Perilla
- Periploca
- Peronia
- Perotis
- Perrotia
- Perrottetia
- Petalidium
- Petermannia
- Petitia
- Phalaenopsis
- Phania
- Pharus
- Phaseolus
- Philippia
- Phillipsia
- Philyra
- Phippsia
- Phoebe
- Pholidota
- Photinini
- Phrynella
- Phyllanthus
- Phyllodoce
- Phyllodon
- Phyllophaga
- Phyllophora
- Phylloporia
- Picconia
- Pieris
- Pileolaria
- Pilophorus
- Pindara
- Pintoa
- Pinus
- Placosoma
- Plagiochasma
- Plagiogramma
- Plagiopus
- Plagiotropis
- Planetella
- Plant homonyms
- Plathymenia
- Platycyamus
- Platylobium
- Platylophus
- Platynota
- Plecoptera
- Pleurotopsis
- Plotia
- Plumbago
- Plutarchia
- Podolasia
- Pogonophora
- Pogonopus
- Poiretia
- Pollia
- Polychaeta
- Polylepis
- Polynema
- Polyphaga
- Polypodium
- Polypogon
- Polystictus
- Polyura
- Ponera
- Pontogeneia
- Porella
- Poria
- Porodiscus
- Porpax
- Portlandia
- Pottsia
- Poulsenia
- Prescottia
- Prestonia
- Preussia
- Prionodon
- Pritchardia
- Proboscidea
- Procris
- Proteomonas
- Prunella
- Psammodiscus
- Pseudoclausia
- Pseudographis
- Pseudorhiza
- Pseudotrichia
- Pterococcus
- Pterogyne
- Pterolepis
- Pterozonium
- Pterygota
- Ptilium
- Ptilophora
- Ptilothrix
- Pulvinaria
- Pumilus
- Pycnanthus
- Pycnoporus
- Pyramidella
- Pyramidula
- Pyramis
- Pyronia
- Quadricoccus
- Quekettia
- Rama
- Ramonda
- Randia
- Ranzania
- Raoulia
- Raphia
- Raphiinae
- Reichardia
- Reichenbachia
- Reichlingia
- Reniforma
- Restio
- Retaria
- Reynoldsia
- Rhadinopus
- Rhamphorhynchus
- Rhaphidophora
- Rhaphidura
- Rhodesia
- Rhodococcus
- Rhodopis
- Rhodosphaera
- Rhomboidella
- Rhopalogaster
- Rhynchophorus
- Rhytisma
- Riccia
- Richardia
- Richteria
- Ricinus
- Riedelia
- Rileya
- Rimula
- Rissoella
- Robinsonia
- Rochefortia
- Rodriguezia
- Roesleria
- Rohdea
- Rollandia
- Rondeletia
- Roperia
- Rosella
- Rossia
- Rothia
- Rotula
- Ruellia
- Rupicola
- Ruspolia
- Russellia
- Sabaudia
- Sabina
- Saccorhiza
- Sachsia
- Salacia
- Salix
- Salomonia
- Salvadora
- Sarcodon
- Sarcophyton
- Satyrium
- Schaefferia
- Schilleriella
- Schimperella
- Schindleria
- Schistostoma
- Schizonotus
- Schizophragma
- Schizophyllum
- Schlechtendalia
- Schoutenia
- Schrankia
- Schultesia
- Schwartzia
- Sclerocephalus
- Scleronema
- Scleropogon
- Scoparia
- Scorpiurus
- Scotiella
- Scuticaria
- Scutiger
- Searsia
- Securigera
- Segestria
- Selenia
- Semele
- Sergia
- Sericodes
- Sericostoma
- Serpula
- Setaria
- Severinia
- Shortia
- Shuttleworthia
- Sicarius
- Sicydium
- Sida
- Simplicia
- Sinclairia
- Sinia
- Siphonaria
- Sirindhornia
- Skottsbergia
- Sladenia
- Solaria
- Solenophora
- Solenopsis
- Solieria
- Sonneratia
- Sphaerella
- Sphaeridium
- Sphaerococcus
- Sphaerocoryne
- Sphaerophysa
- Sphaerosoma
- Sphaerospora
- Sphaerotheca
- Sphenopus
- Spirotropis
- Spirulina
- Stagnicola
- Staurophora
- Stelis
- Stelligera
- Stenella
- Stenia
- Stenocybe
- Stenodesmus
- Stenomeria
- Stenomeris
- Stenostomum
- Stenotaenia
- Stenotis
- Stenotus
- Stephensia
- Stephensoniella
- Stereochilus
- Stevenia
- Sticta
- Stigmella
- Stirtonia
- Stokesia
- Stolzia
- Strasseria
- Striaria
- Strumella
- Suarezia
- Sulaimania
- Symphonia
- Symphyllia
- Symphysodon
- Symphyta
- Synalissa
- Synapsis
- Synthlipsis
- Systremma
- Taiwania
- Takakia
- Talbotia
- Tamania
- Tandonia
- Tapinella
- Targionia
- Taxus
- Tayloria
- Temnopteryx
- Terminalia
- Tetrabrachium
- Tetracme
- Tetragonia
- Tetrapedia
- Tetrapleura
- Tetraplodon
- Tetrasiphon
- Tetratoma
- Thalia
- Thelia
- Theria
- Thesium
- Thespis
- Thorella
- Thrinax
- Thymopsis
- Thymus
- Thyridium
- Thysanophora
- Tibetia
- Timmia
- Tina
- Titaea
- Tocantinia
- Tortula
- Townsendia
- Trabecula
- Trachycystis
- Trachypus
- Trachys
- Trachysphaera
- Traubia
- Trentepohlia
- Tribolium
- Trichia
- Trichiuridae
- Trichodesma
- Trichodon
- Trichoneura
- Trichopetalum
- Trichopteryx
- Tridens
- Trigonaspis
- Trigonidium
- Trimenia
- Trinacria
- Trinia
- Triodia
- Triphora
- Tristira
- Trochus
- Trolliella
- Tropidia
- Truncatella
- Tulbaghia
- Turbinaria
- Turricula
- Tydemania
- Tylotus
- Typha
- Ulva
- Ulvaria
- Urbania
- Urceolina
- Urodon
- Uronema
- Urvillea
- Valdivia
- Valonia
- Vandellia
- Vanhoeffenia
- Venturia
- Vermicularia
- Vesicularia
- Victoria
- Vidalia
- Viguierella
- Viola
- Virgilia
- Vittia
- Vossia
- Waltonia
- Wardia
- Wenyingia
- Werneria
- Weymouthia
- Willardia
- Williamsonia
- Wilsonia
- Wilsoniella
- Womersleyella
- Woodfordia
- Woodsia
- Xenus
- Xerophyllum
- Xizangia
- Xylorhiza
- Youngia
- Yvesia
- Zeus
- Zonaria