United States, Illinois, Cook Co., Buffalo Woods, junction of 87th Street and US 45 (96th Avenue), Palos Park 7.5' quadrangle. T38N, R12E, Sec. 34 SE¼, SW¼ [&SE¼], SW¼.
39.8525 -89.4087
In disturbed salty clay; roadside; with Typha, Scirpus, Leptochloa, Slidago sempervirens.