Habitat: Arctic tundra, adjacent to inlet into Toolik Lake. Rock Type = Calcareous.; granite boulders
Locality: Toolik Lake, Kuparuk River, Oxy. Creek area of the Dalton Hwy. Northern foothills of the Brooks Range, vicinity of mile 117 along Dalton Hwy.
Habitat: Dry, calcareous upland slopes, Rock Type = Calcareous.; on calcareous boulders.
Locality: Atigun Gorge, Brooks Range, Dalton Hwy. Mountain pass through Brooks Range
Habitat: Arctic tundra, in Kuparuk River at waterline. Rock Type = Calcareous.; on granite boulders
Locality: Toolik Lake, Kuparuk River, Oxy. Creek area along Dalton Hwy., ca. mile 117 area. Northern foothills of the Brooks Range, along Dalton Hwy. Kuparuk River downstream from hwy.
Habitat: Arctic tundra, Above waterline, Rock Type = Calcareous. In Kuparuk River; On granite boulders
Locality: Toolik Lake, Kuparuk River, Oxy. Creek area along Dalton Hwy., ca. mile 117 area. Northern foothills of the Brooks Range, along Dalton Hwy. downstream from hwy.