Coefficient of Conservatism:
Coefficient of Wetness:
Native south of our latitude, but an occasional waif along railroads and other dry disturbed places. First collected in 1897 in Wayne Co.
MICHIGAN FLORA ONLINE. A. A. Reznicek, E. G. Voss, & B. S. Walters. February 2011. University of Michigan. Web. March 19, 2018. http://www.michiganflora.net/species.aspx?id=1283.