Coefficient of Conservatism:
Coefficient of Wetness:
B. S. Walters
A tufted annual native to Eurasia, collected in 1934 (F. J. Hermann 6184, MICH) as a weed in Washtenaw Co.
This is now widespread, nearly world-wide in distribution, but seems to be a significant crop weed mostly in western Europe.
MICHIGAN FLORA ONLINE. A. A. Reznicek, E. G. Voss, & B. S. Walters. February 2011. University of Michigan. Web. June 27, 2022. https://michiganflora.net/species.aspx?id=2003.