Coefficient of Conservatism:
Coefficient of Wetness:
Collected in thickets on Belle Isle, Wayne Co. in 1896. If native, this was surely at the northern edge of the range for this species.
MICHIGAN FLORA ONLINE. A. A. Reznicek, E. G. Voss, & B. S. Walters. February 2011. University of Michigan. Web. December 17, 2017. http://michiganflora.net/species.aspx?id=1338.