United States, Minnesota, Saint Louis, about 2 km SE from cty rd. CR-667 (Randa Rd) lake access on the S shore of Knotts Island in Wolf Bay of Vermillion Lake. Cook is nearest town about 20 km SW. SW1/4 NW1/4 of sec.;;063N;17W;13
47.94 -92.46
47° 56' 24" N,92° 27' 36" W;Collector
South-facing rock cliff, 50-60 degree slope, on shallow soil 5 m from water's edge and 2.5 m above water line. Associates: Polygonum douglasii, Bidens frondosa, Potentilla spp., Poa supp., Fallopia cilinodis, Chenopodium simplex, Agrostis sccabra. Juncus tenuis, and Galeopsis tetrahit. Thuja occidentalis, Pinus resinosa, Fraxinus pennsylvanica, and Betula papyrifera higher up along rock crest.