Coefficient of Conservatism:
Coefficient of Wetness:
Native farther west in North America. The only Michigan collection was made in 1948 in a disturbed sandy pasture in Grass Lake Tp., Jackson Co. (G. W. Parmelee 764, MSC).
MICHIGAN FLORA ONLINE. A. A. Reznicek, E. G. Voss, & B. S. Walters. February 2011. University of Michigan. Web. December 13, 2017. http://www.michiganflora.net/species.aspx?id=1771.