Coefficient of Conservatism:
Coefficient of Wetness:
Disturbed edges of hemlock-hardwoods and disturbed swamp margins; first collected by E. G. Voss in 1999 in Alger Co. A sparingly introduced native of Europe.
MICHIGAN FLORA ONLINE. A. A. Reznicek, E. G. Voss, & B. S. Walters. February 2011. University of Michigan. Web. March 22, 2018. http://www.michiganflora.net/species.aspx?id=2136.