Helianthus petiolaris Nutt.
Common Name: PLAINS SUNFLOWER, PRAIRIE SUNFLOWER
Coefficient of Conservatism: *
Coefficient of Wetness: 5
Wetness Index: UPL
Physiognomy: Ad A-Forb

Like many of our species, adventive from farther west, or spread from cultivation, along railroads and roadsides and in disturbed places near habitations. First collected in 1894 in Kent Co.

Locations

Berrien County
Charlevoix County
    Only on Beaver Island
Houghton County
Ingham County
Kalamazoo County
Kent County
Muskegon County
Oakland County
Schoolcraft County
St. Clair 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=357.