Coefficient of Conservatism:
Coefficient of Wetness:
A native of northern Europe and Asia, collected several times (1901–1960) in moist ground at Isle Royale; other collections are apparently from disturbed places.
Including Isle Royale
MICHIGAN FLORA ONLINE. A. A. Reznicek, E. G. Voss, & B. S. Walters. February 2011. University of Michigan. Web. December 13, 2017. http://michiganflora.net/species.aspx?id=2305.