Coefficient of Conservatism:
Coefficient of Wetness:
R. W. Smith
Native to Latin America, but adventive northward. Collected in 1917 at a construction site on the University of Michigan campus in Ann Arbor (Washtenaw Co.).
MICHIGAN FLORA ONLINE. A. A. Reznicek, E. G. Voss, & B. S. Walters. February 2011. University of Michigan. Web. February 23, 2018. http://www.michiganflora.net/species.aspx?id=418.