Bidens trichosperma

Bidens trichosperma
Scientific classification
Kingdom:	Plantae
Clade:	Tracheophytes
Clade:	Angiosperms
Clade:	Eudicots
Clade:	Asterids
Order:	Asterales
Family:	Asteraceae
Genus:	Bidens
Species:	B. trichosperma
Binomial name
	Bidens trichosperma; (Michx.) Britton
Synonyms
	Bidens coronata Britton 1913 not Fisch. ex Steud. 1840 nor Colla 1834; Coreopsis aurea Lindl. 1829 not Ait. 1789; Coreopsis trichosperma Michx.;

Bidens trichosperma, the marsh beggar-ticks or marsh tickseed, is a North American species of flowering plant in the family Asteraceae. It is native to central Canada (Quebec, Ontario) and to the eastern and north-central United States (primarily the Northeast, Great Lakes, and northern Great Plains, with a few isolated populations in the Southeast).^[2]

Bidens trichosperma is an annual herb up to 150 cm (60 inches) tall. It produces numerous yellow flower heads containing both disc florets and ray florets. The species is commonly found in marshes and along estuaries.^[3]

References

Media related to Bidens trichosperma at Wikimedia Commons

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[1] The Plant List, Bidens trichosperma (Michx.) Britton

[2] Biota of North America Program 2014 county distribution map

[3] Flora of North America, Bidens trichosperma (Michx.) Britton

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