On hilly moraine. The original forest of Quercus alba, Quercus rubra, Quercus macrocarpa, Quercus ellipsoidalis, Tilia americana, Acer saccharum, Prunus serotina, Ulmus rubra, Carya ovata
From 1941-1958, a large number of herbs, shrubs and trees, many from Missouri, were introduced by J. A. Steyermark; essentially untended since 1958 but many still persisting (Neviusia alabamensis, Cornus florida, Asimina triloba, etc)