United States, Illinois, Fayette, South edge of Vandalia, Illinois, west of Kaskaskia River, approximately 250 feet west of where 750 East reaches base of bluffs. (WGS84/NAD83).
38.92807 -89.11588
T. 6N, R. 1E, SE1/4 SW1/4 Sect. 29
Intergrading mosaic of seep, mesic floodplain forest, and wet floodplain forest habitat. Overstory included: Acer rubrum, A. saccharinum, Carya illinoiensis, C. laciniosa, Fraxinus lanceolata, F. profunda, Quercus bicolor, Q. shumardii. Associates: Aster simplex, Cardamine bulbosa, Carex conjuncta, C. crus-corvi, C. grisea, C. davisii, C. lurida, C. laevivaginata, C. muskingmuensis, C. shortiana, C. squarrosa, Chasmanthium latifolium, Clematis pitcheri, Iris brevicaulis, I. virginica, Ranunculus septentrionalis, Rosa palustris, Saururus cernuus, Viola cucullata.