United States, Minnesota, Cook, Cook County ... BWCAW, south of Mountain Lake, near Ontario border... T65N R1E Sec.23 NW1/4 of SW1/4;Boundary Waters Canoe Area Wilderness / Superior National Forest;065N;01E;23
48.10737 -90.224172 +-587m.
Scattered along base of 5 m, east-facing, Logan Intrusion cliff ... Growing from horizontal cracks and on small crevices and ledges with Cystopteris fragilis, Dryopteris fragrans, lichens and mosses.