Habitat: Rock Type = Calcareous. Arctic tundra, along trail; on dry soil
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. Kuparuk River, ca. 2.5 km downstream from haul road.
Habitat: sandstone bluffs and gorges, healock/hardwood coves, floodplains, upland mixed hardwood forests, associated with oak, maple, tulip poplar; soil base of hemlock, top of bluffs
Locality: Crane Hollow Nature Preserve (Crane Hollow) S of Gibisonville St. N of Conkle's Hollow State Nature Preserve, E of 374 Cream Ridge Road
Habitat: sandstone gorges and ravines with healock/hardwood coves, upland hardwood stands, floodplain, pine stands; decorticated hardwood log
Locality: Sheick Hollow State Nature Preserve, paralleling Hockean Rd. between Gibisonville and Conckles Hollow State Nature Preserve off Oh374
Habitat: Pine Ridge Trail along bluff top, through mixed hardwood and hemlock forest, along creek dropping over shelter cave E of Boardwalk; shaded moist sandstone
Locality: Lake Katharine State Nature Preserve, Jackson Quad
Habitat: Ca. 1700 acres on sandstone conglomerate; , bluff behind cemetery; Growing on sandstone
Locality: Lake Katharine State Nature Preserve, near Jackson