Coefficient of Conservatism:
Coefficient of Wetness:
R. W. Smith
A Eurasian species, sometimes cultivated for its handsome pink flowers and rarely escaping. Spreading on the shore of Ives Lake in Marquette Co., and in a field by an abandoned homesite in Schoolcraft Co.; first collected at both localities in 1949.
MICHIGAN FLORA ONLINE. A. A. Reznicek, E. G. Voss, & B. S. Walters. February 2011. University of Michigan. Web. March 20, 2018. http://michiganflora.net/species.aspx?id=2574.