Habitat: Arctic tundra, Rock Type = Calcareous.; on drier sites on tundra
Locality: Toolik Lake, Kuparuk River, Oxy. Creek area along Dalton Hwy., ca. mile 117 area. Northern foothills of the Brooks Range, along Dalton Hwy.
Habitat: upland oak, hickory, red cedar on ridges, sandstone gorges and coves; Rock Type = sandstone; on exposed, S facing sandstone along bluff tops
Locality: Ferne Clyffe State Park, S of Goreville
Habitat: Dry, calcareous upland slopes.. Rock Type = Calcareous. Notes; on soil.
Locality: Atigun Gorge, Brooks Range, Dalton Hwy. Mountain pass through Brooks Range