Coefficient of Conservatism:
Coefficient of Wetness:
R. W. Smith
An annual native of China, widely cultivated, and only rarely escaped. Collected by O. A. Farwell in 1927 near Farmington, Oakland Co., where it was said to be “scattered over considerable territory.”
MICHIGAN FLORA ONLINE. A. A. Reznicek, E. G. Voss, & B. S. Walters. February 2011. University of Michigan. Web. December 12, 2017. http://michiganflora.net/species.aspx?id=263.