Coefficient of Conservatism:
Coefficient of Wetness:
A Eurasian species, sometimes cultivated and presumably an escape when collected in 1913 by C. K. Dodge in dry open ground at a cemetery in Port Huron in St. Clair Co.
MICHIGAN FLORA ONLINE. A. A. Reznicek, E. G. Voss, & B. S. Walters. February 2011. University of Michigan. Web. June 19, 2019. https://www.michiganflora.net/species.aspx?id=785.