United States, Minnesota, Clay, Bluestem Prairie: 13 mi E of Moorhead. NE1/4 NE1/4 Sec.15, T139N, R46W;Bluestem Prairie Scientific Natural Area;139N;46W;15
46.854948 -96.473403 +-800m. WGS84
Dry rocky area between gravel pit and prairie with Populus tremuloides, Melilotus alba