Hieracium albiflorum, known by the names white hawkweed and white-flowered hawkweed, is a common and widespread species of plant in the family Asteraceae.
| Hieracium albiflorum | |
|---|---|
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Scientific classification 
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| Kingdom: | Plantae |
| Clade: | Tracheophytes |
| Clade: | Angiosperms |
| Clade: | Eudicots |
| Clade: | Asterids |
| Order: | Asterales |
| Family: | Asteraceae |
| Genus: | Hieracium |
| Species: | H. albiflorum
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| Binomial name | |
| Hieracium albiflorum | |
| Synonyms[1] | |
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List
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Hieracium albiflorum is found in western North America, from Alaska and the Northwest Territories south to Mexico (Chihuahua, Sonora) and east to Manitoba and the Black Hills of South Dakota. There have been reports of populations in Québec and Wisconsin, but these are probably waifs or introductions.[2][3][4]
Hieracium albiflorum is found in forests and woodlands at low to moderate elevation. It is similar to its relative the common dandelion, except for having more than one flower head per plant, sometimes 50 or more in a flat-topped array. Each head has 6-25 white (rather than yellow as in most related species) ray flowers but no disc flowers.[5]
References
edit- ^ "Hieracium albiflorum Hook.", Plants of the World Online, Royal Botanic Gardens, Kew, retrieved 2022-08-30
- ^ Gary A. Monroe (2000). "Hieracium albiflorum". Fire Effects Information System. USDA Forest Service. Retrieved 2007-12-15.
- ^ "Biota of North America Program 2014 county distribution map".
- ^ Biota of North America Program 2014 state-level distribution map
- ^ "Hieracium albiflorum Hooker, 1833". Flora of North America.
External links
edit
Media related to Hieracium albiflorum at Wikimedia Commons- Jepson Flora Project Hieracium albiflorum
- Calphotos photo gallery, University of California
- Turner Photographics, Hieracium albiflorum - Wildflowers of the Pacific Northwest
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