Coefficient of Conservatism:
Coefficient of Wetness:
A. A. Reznicek
A Eurasian introduction of disturbed ground, similar to R. acetosa but more densely flowered and deeply tap-rooted. First collected in 1948 in Mackinac Co.
Locally frequent in dry gravelly soil in the vicinity of St. Ignace, Mackinac Co., otherwise very little met with.
MICHIGAN FLORA ONLINE. A. A. Reznicek, E. G. Voss, & B. S. Walters. February 2011. University of Michigan. Web. December 11, 2017. http://michiganflora.net/species.aspx?id=2311.