Coefficient of Conservatism:
Coefficient of Wetness:
ex W. H. Wagner slide collection
A most distinctive little plant, native in eastern North America but surely introduced into Michigan, where it was collected in a fairground in Hillsdale Co. by A. W. Cusick & R. K. Rabeler in 1997.
MICHIGAN FLORA ONLINE. A. A. Reznicek, E. G. Voss, & B. S. Walters. February 2011. University of Michigan. Web. April 21, 2019. https://michiganflora.net/species.aspx?id=2379.