United States, Minnesota, Pine, Pine Co. Kettle River Natural Area: 5.5 mi E of Hinckley. NE1/4 SW1/4 NE1/4 Sec.22 T41N R20W.;Kettle River Scientific Natural Area / Sandstone National Wildlife Refuge;041N;20W;22
46.021973 -92.855355 +-969m.
Black ash swamp with Ribes glandulosum, Actaea rubra, Arisaema triphyllum, Maianthemum canadense, Cypripedium calceolus.