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: mixed mesophytic forest, Pickle Creek, near picnic area; along creek bank
Locality: Hawn State Park ca 60 mi S of St. Louis near Farmington on Highway 144