Robert W. Freckmann Herbarium


  Bidens vulgata Greene image
Photographer: Robert W. Freckmann           

Hugh H. Iltis

Merel R. Black

Robert H. Read

Robert W. Freckmann

Stephen L. Solheim
Family Asteraceae
Bidens vulgata Greene
big devil's beggar-ticks, tall beggar-ticks
Bidens: derived from Latin bis, "twice," and dens, "tooth," hence meaning "2-toothed" and referring to the bristles on the achenes
vulgata: Latin for "common"
County distribution map- click for detailed distribution maps.
Detailed Distribution:
Town Range Maps
Google Dot Maps
Status: Native
Plant: erect, annual, 4"-60" tall, smooth to densely hairy forb
Flower: head usually without rays, disk 1/3"-1/2" wide; 10-20 leafy bracts usually longer than the disk; inflorescence a few long-stalked heads; blooms Aug.-Oct.
Fruit:dark but often yellowish with 2 barbed awns fruit drawing
Leaf:stalked, 3-5 pinnately-divided into lance-like, toothed, pointed leaflets
Habitat: wet to dry; disturbed sites
(Glossary)

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

Flora of North America (off site)
Synonyms 
Bidens puberula Wiegand
Bidens vulgata Greene f. puberula (Wiegand) Fernald
Bidens vulgata Greene var. puberula (Wiegand) Greene
Bidens vulgata Greene var. schizantha Lunell
Bidens vulgata Greene var. vulgata

         
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