Coefficient of Conservatism:
Coefficient of Wetness:
R. W. Smith
Wet prairies, sedge meadows, and fens.
A striking late blooming species, very local, but often abundant where found.
MICHIGAN FLORA ONLINE. A. A. Reznicek, E. G. Voss, & B. S. Walters. February 2011. University of Michigan. Web. November 14, 2019. https://michiganflora.net/species.aspx?id=2566.