Coefficient of Conservatism:
Coefficient of Wetness:
R. W. Smith
Dry, sunny sites; not collected since 1931.
MICHIGAN FLORA ONLINE. A. A. Reznicek, E. G. Voss, & B. S. Walters. February 2011. University of Michigan. Web. December 8, 2019. https://michiganflora.net/species.aspx?id=970.