Coefficient of Conservatism:
Coefficient of Wetness:
R. W. Smith
Native in the southern states and a rare waif this far north. Collected by C. K. Dodge along a railroad near Port Huron, St. Clair Co., in 1899 (MSC) and by O. A. Farwell in “waste ground” at Detroit, Wayne Co. in 1919 (GH, BLH).
St. Clair County
MICHIGAN FLORA ONLINE. A. A. Reznicek, E. G. Voss, & B. S. Walters. February 2011. University of Michigan. Web. December 12, 2017. http://www.michiganflora.net/species.aspx?id=342.