Bidens trichosperma (Michx.) Britton
Common Name: TICKSEED-SUNFLOWER
Synonym: Bidens coronatus
Coefficient of Conservatism: 7
Coefficient of Wetness: -5
Wetness Index: OBL
Physiognomy: Nt A-Forb

Bidens trichosperma A. A. Reznicek

B. coronata of Michigan Flora.

In the same habitats as B. cernua, but more frequently than that species in peatlands (bogs, fens, tamarack swamps).

The awns and, more sparsely, the margins of the achenes are antrorsely ciliate in this species, which is a very showy plant.

Locations

Allegan County
Barry County
Berrien County
Branch County
Calhoun County
Cass County
Clinton County
Delta County
Eaton County
Gratiot County
Hillsdale County
Huron County
Ingham County
Isabella County
Jackson County
Kalamazoo County
Kent County
Lapeer County
Lenawee County
Livingston County
Macomb County
Missaukee County
Montcalm County
Muskegon County
Newaygo County
Oakland County
Ottawa County
Roscommon County
Sanilac County
St. Clair County
St. Joseph County
Van Buren County
Washtenaw County
Wayne County

Citation:

MICHIGAN FLORA ONLINE. A. A. Reznicek, E. G. Voss, & B. S. Walters. February 2011. University of Michigan. Web. December 11, 2017. http://michiganflora.net/species.aspx?id=251.