Coefficient of Conservatism:
Coefficient of Wetness:
Crevices of acidic rock usually in dry, open, sunny settings. Restricted to Isle Royale, but locally frequent there.
Only on Isle Royale
MICHIGAN FLORA ONLINE. A. A. Reznicek, E. G. Voss, & B. S. Walters. February 2011. University of Michigan. Web. April 25, 2019. https://www.michiganflora.net/species.aspx?id=7.