Coefficient of Conservatism:
Coefficient of Wetness:
A native of the Mediterranean area, collected as a weed in Ann Arbor, Washtenaw Co., in 1982 and to be expected elsewhere.
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=148.