United States, Illinois, Alexander, Degraded floodplain forest with open sandy habitat along a ditch bordering a soybean field. 8.2 mile south of IL 3 & IL 146 junction, west side of IL 3. McClure 7.5 minute Quadrangle.
T. 14S, R. 3W, NE1/4 SE1/4 NW1/4 NW1/4 Sect. 2
Site 11 of Hill & Koontz 2002 technical report for IDOT project FAP 312 (IL 3)(= Hemicarpha micrantha (Vahl) Pax, Scirpus micranthus Vahl)