Coefficient of Conservatism:
Coefficient of Wetness:
Native in western North America and rarely escaped from cultivation to disturbed ground eastward. First collected in Michigan in 1898 in Kent Co.
Plants such as ours with short recurved hairs on the stem have been referred to var. grandiflora Benth. [S. pitcheri Benth].
MICHIGAN FLORA ONLINE. A. A. Reznicek, E. G. Voss, & B. S. Walters. February 2011. University of Michigan. Web. June 22, 2018. https://www.michiganflora.net/species.aspx?id=1587.