United States, Illinois, Williamson, East side of Burlington Northern railroad right-of-way along overgrown roadbed, 0.1 mile north of East Herrin Road, 0.7-0.8 mile east of Herrin; Paineville. Elevation about 400 feet. Herrin 7.5 minute quadrangle.
T. 8S, R. 2E, SE1/4 NE1/4 SECT. 20 (and adjacent part of SECT. 21).
Moist sand and silt, slightly elevated areas.; Floodplain forest in partial shade with Quercus palustris, Ulmus, Carya, Acer rubrum, Prunus serotina.; Occasional tufted perennial sedge.