United States, ILLINOIS, La Salle, Starved Rock State Park, South Ottawa; east of Salt Wells Stream; along north side of IL Rt. 71, ca. 100 ft south of Illinois River. Elev. ca. 460 - 470 ft. Starved Rock 7.5 min. quad.
T. 33N, R. 2E, SW1/4 SE1/4 SE1/4 SECT. 24
Alluvial and fill soil.; Disturbed river terrace, floodplain forest, and roadside Growing with Juglans nigra.; Occasional shrub 2 m tall; fruit immature.