United States, Arkansas, Phillips, St. Francis National Forest. Site #6. TRS: T1S R4E S1 NW4 NE4
34.638779 -90.63345 +-256m. WGS84
Used collector's site map from jstor publication to locate Site #6; correlated with ESRI USGS Topo USA (faster) map; placed point in T1S R4E S1 NW4 NE4.
Rock quarry and roadside. Other plants: loblolly pine, cottonwood, winged sumac, black willow, Serecea lespodeza, partridge pea, purple Lactuca, stick tite.