Habitat: sandstone gorge and cliff area; sandstone conglomerate
Locality: Hemlock Cliffs natural area, Hoosier National Forest, Exit 86, I-64 and Indiana 37, N 2.7 mi to road W to union chapel church, 4.3 mi to Forest Rd. 1134 at end of FR 1134
Habitat: upland oak, hickory, red cedar on ridges, sandstone gorge and coves; underside of moist sandstone boulder
Locality: Ferne Clyffe State Park, S of Goreville, Il. W of st. rt. 37
Habitat: on stream bank; On thin soil over granite boulder
Locality: Green Mountain National Forest, ca 5 mi E of Bennington on Vt 9, along Roaring Fork River.
Habitat: sandstone bluffs and gorges, creek floodplains; associated with oak, maple tulip poplar, some healock; moist vertical sandstone wall
Locality: Lake Katharine State Nature Preserve, near Jackson