United States, Minnesota, Cook, Superior National Forest. Boundary Waters Canoe Area Wilderness. Near the western shore of Gillis Lake; on the northern shore of the large island.
48.055 -90.93666667
NAD 83 / 653740 / 5324463; T64N R05W S02NWSW
N-facing shore cliff. On small shelf 1.2m above lake surface with Woodsia ilvensis, Dicranum sp., assorted lichens, etc.