Coefficient of Conservatism:
Coefficient of Wetness:
Native west of the Great Lakes, a rare adventive along railroads, first collected in Michigan in 1947 in Branch Co. by W. B. Drew.
MICHIGAN FLORA ONLINE. A. A. Reznicek, E. G. Voss, & B. S. Walters. February 2011. University of Michigan. Web. December 12, 2017. http://michiganflora.net/species.aspx?id=1722.