Coefficient of Conservatism:
Coefficient of Wetness:
A Eurasian weed, found very sparingly in our area, in sandy or gravelly places. First collected in 1909 in Oceana Co.
MICHIGAN FLORA ONLINE. A. A. Reznicek, E. G. Voss, & B. S. Walters. February 2011. University of Michigan. Web. June 4, 2020. https://www.michiganflora.net/species.aspx?id=777.