Coefficient of Conservatism:
Coefficient of Wetness:
R. W. Smith
A native of the southeastern United States, well south of Michigan; this species has weedy tendencies and is spreading northward. First collected in Michigan by R. W. Smith in Lenawee Co. in 2012, where it was forming a large dense patch along the edge of a soybean field.
MICHIGAN FLORA ONLINE. A. A. Reznicek, E. G. Voss, & B. S. Walters. February 2011. University of Michigan. Web. March 18, 2018. http://michiganflora.net/species.aspx?id=2882.