Coefficient of Conservatism:
Coefficient of Wetness:
In moist, open ground, but rare in Michigan, having been collected only twice (1930, 1978), both times in saline areas in Wayne Co.; introduced from the south and west.
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=244.