United States, Illinois, Lake, I-94 tollway corridor.
42.39212 -87.95
Marsh and sedge meadow community just north of Gurnee exit. Associates include: Carex pellita, C. sartwellii, C. stricta, Eleocharis macrostachya, Juncus dudleyi, J. torreyi, Scirpus acutus, and S. atrovirens.