Coefficient of Conservatism:
Coefficient of Wetness:
A native of Europe, popular in cultivation and rarely escaped as a waif along roadsides. First collected in 1952 in Alger Co. The corolla varies from white to blue or pink.
MICHIGAN FLORA ONLINE. A. A. Reznicek, E. G. Voss, & B. S. Walters. February 2011. University of Michigan. Web. December 12, 2017. http://www.michiganflora.net/species.aspx?id=697.