Coefficient of Conservatism:
Coefficient of Wetness:
Rock crevices and ledges at several Isle Royale sites.
Often not easily distinguished from E. nemorosa. Individual specimens can be very hard to place; one must often consider a larger population. This species appears intermediate between our other two in the conspicuousness of sharp tips on bracts and calyx teeth.
Only on Isle Royale
MICHIGAN FLORA ONLINE. A. A. Reznicek, E. G. Voss, & B. S. Walters. February 2011. University of Michigan. Web. December 12, 2017. http://michiganflora.net/species.aspx?id=1863.