Coefficient of Conservatism:
Coefficient of Wetness:
R. W. Smith
A formerly commonly cultivated native of South America collected along a roadside in St. Joseph Co. by Abram Sager during the First Survey in 1837 and not collected as a wild plant since. Tobacco was widely used and cultivated by early settlers, but fortunately much less commonly cultivated and used now.
MICHIGAN FLORA ONLINE. A. A. Reznicek, E. G. Voss, & B. S. Walters. February 2011. University of Michigan. Web. December 14, 2017. http://www.michiganflora.net/species.aspx?id=2927.