Coefficient of Conservatism:
Coefficient of Wetness:
This is a taxon of the southeastern United States which was first observed in Michigan in 1950 in a mature beech-maple forest in Saginaw Co. (and collected in 1957). Like Trillium cuneatum, this is a favorite plant for shade gardens and is apparently spreading from cultivation elsewhere in Michigan (Case & Case, 1997), though herbarium documentation is sparse.
MICHIGAN FLORA ONLINE. A. A. Reznicek, E. G. Voss, & B. S. Walters. February 2011. University of Michigan. Web. April 24, 2019. https://www.michiganflora.net/species.aspx?id=2733.