United States, Illinois, Marshall, About 1.25 mile south of Magnolia, Illinois along State Route 89 near bridge over Sandy Creek, valley of Sandy Creek. Between Magnolia Road and the creek channel on high bank above creek. Grand Prairie Section of the Grand Prairie Natural Division. Coordinate Datum: WGS84/NAD83.
41.09198 -89.20251
T. 30N, R. 1W, SE1/4 NE1/4 SE1/4 Sect. 3
Growing on high bank above Sandy Creek with Acer saccharum, Fraxinus lanceolata, Juglans nigra, Ulmus rubra, Cornus drummondii, Malus ioensis, Ptelea trifoliata, Ribes missouriensis, Carex blanda, Phlox divaricata, Sanicula odorata, etc.