United States, Minnesota, Pine, Pine Co. Kettle River Natural Area: 5.5 mi E of Hinckley. NW1/4, Sec.23, T41N, R20W;Kettle River Scientific Natural Area / Sandstone National Wildlife Refuge;041N;20W;23
46.018609 -92.835797 +-800m. WGS84
Bur oak opening with Rubus sp., Solidago sp., Prunus sp., Bidens sp.