United States, Illinois, Fayette, 2.2 mile south of Vandalia, IL; just south and east of Hickory Creek, 0.5 mile east of Kaskaskia River, 500 feet west of U.S. Route 51. Coordinate Datum WGS84/NAD83
38.90344 -89.08745
T. 5N, R. 1E, NE 1/4 SE 1/4 Sect. 4
Seep/wet floodplain forest along Hickory Creek. Associates: Acer rubrum, A. saccharinum, Aster ontarionis, A. simplex, Cardamine bulbosa, Carex conjuncta, C. corrugata, C. crinita, C. crus-corvi, C. granularis, C. grayi, C. hyalinolepis, C. muskingumensis, C. tribuloides, Cuscuta gronovii, Eupatorium fistulosum, Fraxinus lanceolata, F. profunda, Leersia lenticularis, Onoclea sensibilis, Peltandra virginica, Polygonum punctatum, Populus heterophylla, Ranunculus flabellaris, R. septentrionalis, Saururus cernuus, Scutellaria lateriflora, Viola missouriensis.