Habitat: Dry, calcareous upland slopes, Rock Type = Calcareous.; on calcareous boulders.
Locality: Atigun Gorge, Brooks Range, Dalton Hwy. Mountain pass through Brooks Range
Habitat: beech maple forest, along S shore of Acton Lake; limestone boulder, ravine
Locality: Hueston Woods State Park, Hueston Woods (big woods) Interpretive Area