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Bidens trichosperma (Michx.) Britton

Common Name: TICKSEED-SUNFLOWER
Coefficient of Conservatism: 7
Coefficient of Wetness: -5
Wetness Index: OBL
Physiognomy: Nt A-Forb

B. coronata of Michigan Flora.

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

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

A. A. Reznicek

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

Citation:
MICHIGAN FLORA ONLINE. A. A. Reznicek, E. G. Voss, & B. S. Walters. February 2011. University of Michigan. Web. March, 17, 2025
https://lsa-miflora-p.lsait.lsa.umich.edu/#/record/251