Bidens comosa (A. Gray) Wiegand. Strawstem Beggar-ticks. Phen: Aug-Oct. Hab: Marshes, bogs, wet meadows, disturbed areas. Dist: NL (Newfoundland) and BC south to GA, TX, and CA.
Origin/Endemic status: Native
Taxonomy Comments: Closely related to, and sometimes included in, the Eurasian B. tripartita.
Synonymy: = F, GrPl, Il, Mi, Tat, Va; = Bidens tripartita L. ssp. comosa (A.Gray) A.Haines – NE, NY; < Bidens comosa (A.Gray) Wiegand – C, G, S; < Bidens tripartita L. – FNA21, K1, K3, K4, Oh3, Ok, Pa, RAB, Tn
Wetland Indicator Status:
Heliophily: 8
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