Coefficient of Conservatism:
Coefficient of Wetness:
Native to the eastern US south of Michigan; a local escape well established in marshy ground between the highway (M-28) and railroad on the Baraga-Houghton Co. line, where first collected in 1958.
MICHIGAN FLORA ONLINE. A. A. Reznicek, E. G. Voss, & B. S. Walters. February 2011. University of Michigan. Web. June 3, 2020. https://www.michiganflora.net/species.aspx?id=1687.