United States, Illinois, Tazewell, Manito Prairie Nature Preserve. Glasford 7.5 minute quadrangle. Elevation about 475 feet. The Illinois River Section of the Illinois River and Mississippi River Sand Area Natural Division.
T. 24N, R. 6W, S1/2 SW1/4 Sect. 15
Sand and gravel terrace above the Illinois River floodpalin. On sand and gravel prairie, in disturbed area of small ravine, growing with Muhlenbergia schreberi and Eupatorium rugosum.