Habitat: Rock Type = Calcareous. Arctic tundra; in dry hollow on tundra
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: upland mixed hardwoods, sandstone bluffs, hemlock/hardwood coves, floodplains, pine forests, associated with oak, maple, hickory, tulip poplar; vertical sandstone cliff
Locality: Little Rocky Hollow State Nature Preserve, first hollow W of Kreachbaum Rd. and N of Big Pine Rd.
Habitat: sandstone bluffs and gorges, hemlock/hardwood coves, floodplains, upland mixed hardwood forests, pine forests; sandstone
Locality: Crane Hollow Nature Preserve (crane hollow) S of Gibisonville N of Conkle's Hollow State Nature Preserve, E of OH 374 and W of Cream Ridge Road
Habitat: upland mixed hardwoods, sandstone bluffs, hemlock/hardwood coves, floodplains, pine forests, associated with oak, maple, hickory, tulip poplar; wood
Locality: Little Rocky Hollow State Nature Preserve, first hollow W of Kreachbaum Rd. and N of Big Pine Rd.
Habitat: Ca. 1700 acres on sandstone conglomerate.; Growing on soil over sandstone, hardwoods above lake.
Locality: Lake Katharine State Nature Preserve, near Jackson