Habitat: Mixed mesic hardwood forest, with scattered hemlock along creek.; associated with Thuidium, Bartramia, Callicladium, Polytrichum, Dicranella, Dicranum, Grimmia; Rock Type = sandstone; on vertical sandstone above creek, in seepy area.
Locality: Shawnee State Forest near Portsmouth, on U.S. 125. Jets, forest roads 6 & 27. Snake Hollow area ca 4 mi N of Bear Creek Reservoir and Horseman's Camp Ground.
Habitat: Rock Type = Calcareous. Arctic tundra; emergent in ice wedge pool
Locality: North Slope Borough, Toolik Lake, Kuparuk River, Oxy. Creek area of the Dalton Hwy., northern foothills of the Brooks Range, vicinity of mile 117 along Dalton Hwy. Kuparuk River ca. 1.0 km. downstream from haul road.