Coefficient of Conservatism:
Coefficient of Wetness:
M. R. Penskar
Very rare and local; alluvial forests and river banks, in ± calcareous sites. A small plant and blooming so early in the spring (often the first week of April) that it is apt to be overlooked.
MICHIGAN FLORA ONLINE. A. A. Reznicek, E. G. Voss, & B. S. Walters. February 2011. University of Michigan. Web. January 30, 2015. http://michiganflora.net/species.aspx?id=2734.