Coefficient of Conservatism:
Coefficient of Wetness:
This European weed was collected 1897–1900 at East Lansing, Ingham Co., introduced in a meadow sown with grass seed from France and then spreading along a railroad.
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=303.