Coefficient of Conservatism:
Coefficient of Wetness:
A more northwestern species long known from northern Ontario and collected by E. J. Judziewicz on Isle Royale in 1994 in open white pine or mixed forests (Judziewicz, Utech, & Mackinnon, 1997).
Only on Isle Royale
MICHIGAN FLORA ONLINE. A. A. Reznicek, E. G. Voss, & B. S. Walters. February 2011. University of Michigan. Web. December 17, 2017. http://www.michiganflora.net/species.aspx?id=839.