Habitat: Arctic tundra; Rock Type = calcareous.
Locality: North Slope Borough, Toolik Lake-Kaparuk River vicinity, northern foothills of Brooks Range, mile 117.1 along Dalton Highway.
Habitat: Growing submerged in river.; Attached to boulders.
Locality: Green Mountain National Forest, ca 5mi E of Bennington on Vt. 9 along Roaring Fork River
Habitat: arctic tundra, northern foothills of the Brooks Range, vicinity of mile 117, along Dalton Hwy; Rock Type = Calcareous
Locality: North Slope Borough, Toolike Lake, Kuparuk River, Oxy. Creek area of Dalton Hwy
Habitat: Growing attached to submerged rocks in cold feeder creek
Locality: St. Francois State Park ca. 5 mi. NE of Bonne Terre on U.S. 67. cold feeder creek into Coonville Creek
Habitat: arctic tundra, northern foothills of the Brooks Range, along Dalton Hwy; Rock Type = Calcareous
Locality: North Slope Borough, Toolik Lake, Kuparuk River, Oxy Creek area along Dalton Hwy ca mile 117 area
Habitat: sandstone bluffs and gorges, hemlock/hardwood coves, floodplains, upland mixed hardwood forests, pine forests; wet seepy soil
Locality: Crane Hollow Nature Preserve (crane hollow inc) S of Gibisonville and N of Conkle's Hollow State Nature Preserve, E of OH 374 and W of Cream Ridge Rd.
Habitat: Beech-Maple forest, sugar bush trail; beech log
Locality: Hueston Woods State Park, Hueston Woods (Big Woods) Interpretive Area, along S shore of Acton Lake