- River NE of buildings, plot 3701, Patuxent Research Refuge1
- Sanford Woodlot, Michigan State University campus, East Lansing1
- Santa Cruz1
- Saskatchewan1
- Sawyer1
- Scott Lake, vicinity of Lakeland1
- Silver Lake1
- Smith's Bog, vicinity of Burt & Douglas Lakes1
- South side of Black River at Brown's Ferry, SC 51.1
- Speechley's Woods, Ann Arbor1
- St. Louis1
- Swamp near Conners Highway, Lake Okeechobee1
- Swamp near Reids Loch, Chesapeake & Ohio Canada1
- Uttar Pradesh1
- Vicinity of Crooked Lake1
- Vicinity of Lafayette1
- Vicinity of Lakeland, High Hammock, Scott Lake1
- Vicinity of Winter Haven1
- W end of Laguna Tortuguero, near Maunath1
- Wakulla1