Coefficient of Conservatism:
Coefficient of Wetness:
Adventive from the southern states. Collected by O. A. Farwell (8756, 9352, MICH, BLH, WUD, GH) on disturbed ground in Detroit (Wayne Co.) 1930–1933.
MICHIGAN FLORA ONLINE. A. A. Reznicek, E. G. Voss, & B. S. Walters. February 2011. University of Michigan. Web. December 15, 2017. http://www.michiganflora.net/species.aspx?id=1256.