Coefficient of Conservatism:
Coefficient of Wetness:
R. W. Smith
Collected on the “banks of a small lake” in Cass Co. in 1838 (MICH, GH); then again in 1981 in Berrien Co. in a rather weedy site (Woodland & Ng, 1988), and perhaps, as the authors suggest, of uncertain nativity.
MICHIGAN FLORA ONLINE. A. A. Reznicek, E. G. Voss, & B. S. Walters. February 2011. University of Michigan. Web. April 23, 2019. https://www.michiganflora.net/species.aspx?id=823.