Coefficient of Conservatism:
Coefficient of Wetness:
Along streams and ditches in St. Clair Co. (collected 1903–1904) and in 1940 collected by C. W. Bazuin (MICH, MSC) on a springy hillside in Ottawa Co.
St. Clair County
MICHIGAN FLORA ONLINE. A. A. Reznicek, E. G. Voss, & B. S. Walters. February 2011. University of Michigan. Web. December 6, 2019. https://www.michiganflora.net/species.aspx?id=2383.