United States, South Carolina, Lexington, West Columbia side of Congaree River just downstream from Seaboard Coastline RR, between West Columbia and Olympia quarries; W side of Columbia; Southwest Columbia 7.5' topo [Access by Kayak]
33.9752N, 81.0460W
Dull green, abundant, apparently restricted to top side of rotting (but intact) log, the plants frequently submersed