United States, Minnesota, Cook, Superior National Forest. Boundary Waters Canoe Area Wilderness. Vesper Lake. Cliff on lake; near the southeast portion of lake. NENENENE of section; T063N R03W sec06
47.973319 -90.745309 +-268m. WGS84
Southwest- facing cliff on lake in cracks and small shelves
with Woodsia ilvensis, Huperzia selago and Cystopteris fragilis