Coefficient of Conservatism:
Coefficient of Wetness:
EYEBRIGHT, RED BARTSIA
O. vulgaris of Michigan Flora.
Adventive from Europe, gradually spreading in northeastern North America as a local weed along roadsides. First collected in Michigan in 1981 in Delta Co. by D. Henson. Our plants are subsp. serotinus (Syme) Corb.
MICHIGAN FLORA ONLINE. A. A. Reznicek, E. G. Voss, & B. S. Walters. February 2011. University of Michigan. Web. September 15, 2019. https://www.michiganflora.net/species.aspx?id=1867.