Coefficient of Conservatism:
Coefficient of Wetness:
Disturbed places. A European species sparingly introduced in North America and rarely collected in Michigan, first in 1894 in Ingham Co.
MICHIGAN FLORA ONLINE. A. A. Reznicek, E. G. Voss, & B. S. Walters. February 2011. University of Michigan. Web. December 14, 2017. http://michiganflora.net/species.aspx?id=2042.