Cirsium undulatum (Nutt.) Spreng.
Common Name: WAVY-LEAVED THISTLE
Coefficient of Conservatism: *
Coefficient of Wetness: 3
Wetness Index: FACU
Physiognomy: Ad P-Forb

Collected only as sporadic waifs in disturbed areas and along railroads, first in Emmet Co. in 1917; introduced from the west.

Locations

Emmet County
Washtenaw County

Citation:

MICHIGAN FLORA ONLINE. A. A. Reznicek, E. G. Voss, & B. S. Walters. February 2011. University of Michigan. Web. December 17, 2017. http://www.michiganflora.net/species.aspx?id=291.