Coefficient of Conservatism:
Coefficient of Wetness:
L. N. May
Deciduous swamp forests, very local.
See Wagner et al. (1969) for more information about the occurrence of this species. Michigan colonies are disjunct from a range more to the south and east.
Van Buren County
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=1180.