United States, Illinois, Cook, Calumet City Prairie.
Calumet City Prairie, Calumet City. On south side of State St., 3/4 mile east of Torrence Ave., adjacent to power lines. Cleared, graded area on east border of site.
Disturbed, graded area in sandy soil
Agricultural and roadside weeds. Rorippa palustris var. fernaldiana, Cyperus strigosus, Amaranthus arenicola