Coefficient of Conservatism:
Coefficient of Wetness:
R. W. Smith
A much-branched weak annual native in moist forests both east and west of Michigan, but here apparently recently adventive in disturbed ground, as around parking areas and gardens. First collected in 1979 in Washtenaw Co.
MICHIGAN FLORA ONLINE. A. A. Reznicek, E. G. Voss, & B. S. Walters. February 2011. University of Michigan. Web. December 17, 2017. http://michiganflora.net/species.aspx?id=570.