Coefficient of Conservatism:
Coefficient of Wetness:
SLENDER RUSSIAN THISTLE
Mostly in dry disturbed, sunny sites along railway tracks. A rare (as yet) Eurasian weed in Michigan reported by Mosyakin (1996) and first collected by W. T. Gillis in 1976 in Ottawa Co. More common along railroad tracks in adjacent Ontario. A distinctive plant with long, narrow spikes of flowers with appressed bracts.
MICHIGAN FLORA ONLINE. A. A. Reznicek, E. G. Voss, & B. S. Walters. February 2011. University of Michigan. Web. March 19, 2018. http://michiganflora.net/species.aspx?id=87.