Coefficient of Conservatism:
Coefficient of Wetness:
J. G. Krause
More or less open to shaded moist sandy, acid slopes and woods. A striking disjunct from farther south known only from a small area of Michigan
See Pippen (1966) for details of the original discovery and Krause (2012) for the Van Buren County occurrence.
Van Buren County
MICHIGAN FLORA ONLINE. A. A. Reznicek, E. G. Voss, & B. S. Walters. February 2011. University of Michigan. Web. June 24, 2018. https://www.michiganflora.net/species.aspx?id=2674.