United States, Illinois, Henderson, Big River State Forrest. North of Oquawka, Illinois and very near the Mississippi River. Oquawka Quadrangle. Elevation about 560 feet. The Mississippi River Section of the Illinois River and Mississippi River Sand Areas Natural Division. (WGS84/NAD83)
40.9899 -90.9195
Sect. 36
Dry sand prairie and growing with Aristida tuberculosa, Brickellia eupatorioides, Chamaesyce maculata, Conyza Canadensis, Digitaria filiformis, Eragrostis trichodes, Helianthemum bicknellii, Helianthus pauciflorus, Lactuca canadensis, Lechea tenuifolia, Lespedeza capitata, Penstemon grandiflorus, Polygonum tenue, Schizachyrium scoparium, Solidago nemoralis, Sorghastrum nutans, Stylisma pickeringii, Tridens flavus, Triplasis purpurea, etc. This species was growing in a more disturbed portion of the dry sand prairie where a fire lane had been constructed.