Coefficient of Conservatism:
Coefficient of Wetness:
R. W. Smith
A Eurasian alien rare in North America, first collected in 1990 on a roadside and adjacent brushy open forest in Washtenaw Co. See Widrlechner & Wagner (1998) for more information.
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=2554.