United States, Minnesota, Clay, S bank of the Buffalo River in Buffalo River State Park, ca. 1/2 mi. W of dam, Sec. 11, T139N, R46W.;Buffalo River State Park;139N;46W;11
46.86898 -96.452254 +-800m. WGS84
Half-shade, soil sandy but seeping moisture in slope. With Populus, Fraxinus, Amelanchier, Cornus, Rubrus.