Habitat: Arctic tundra, Rock Type = Calcareous. In stream above waterline; On rock
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. ca 3.5 km downriver from haul road, Kuparuk River.
Habitat: Arctic tundra, Rock Type = Calcareous. Submerged in fast water; attached to rocks
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.