Coefficient of Conservatism:
Coefficient of Wetness:
A European species, locally escaped from cultivation in sandy open soil near Lake Michigan; first collected by F. G. Goff in 1979 in Ottawa Co.
MICHIGAN FLORA ONLINE. A. A. Reznicek, E. G. Voss, & B. S. Walters. February 2011. University of Michigan. Web. December 16, 2017. http://michiganflora.net/species.aspx?id=1284.