Bidens pilosa: UW-Stevens Point Freckmann Herbarium: Plant Details Page

Photographer: Albert C. Perdeck

Flora.cyberia

Family Asteraceae
Bidens pilosa L.
Spanish needles
Bidens: derived from Latin bis, "twice," and dens, "tooth," hence meaning "2-toothed" and referring to the bristles on the achenes
pilosa: pilosus for "soft, hairy"

County distribution map- click for detailed distribution maps.

Detailed Distribution:
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Status:	Introduced - adventive
Plant:	annual forb
(Glossary)

More Information	Natural Communities	Herbarium Specimens
All Bidens list	Google- Images or Text

Flora of North America (off site)

Synonyms

Bidens odorata Cav.
Bidens pilosa L. var. bimucronata (Turcz.) Sch.Bip.
Bidens pilosa L. var. minor (Blume) Sherf

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