United States, Kentucky, Menifee, Daniel Boone National Forest, Ezel Qaud, main gorge of Spaws Creek, 0.8 mile north of Dan [plant biodiversity surrogacy study-plot NF2 niiddle-SE 3X3]. 37.96611°N-83.45791°W. Allen C. Risk, A. Callihan, R. Wente, L. Miles No. 18,437