Habitat: beech maple forest along S shore of Acton Lake, creek; limestone rock
Locality: Hueston Woods State Park, Hueston Woods (big woods) Interpretive Area
Habitat: submerged to emergent, in cold, spring-fed feeder stream
Locality: St. Francois State Park ca. 5 mi. NE of Bonne Terre on U.S. 67; spring-fed feeder stream into Coonville Creek.
Habitat: sandstone gorges and ravines with healock/hardwood coves, upland hardwood stands, floodplain, pine stands; vertical sandstone face
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: Growing on hummock formed from base of uprooted white cedar adj. to stream
Locality: Cedar Bog Memorial State Nature Preserve, ca. 2.5 mi S. of Urbana along Woodburn Rd. off U.S. 68, S side of Woodburn Rd.