Place
- Knife Island1
- Knife Island, Gull Rookery1
- La Strange Lake1
- Lafayette1
- Lake of Pines Campgrounds, Lake of Pines1
- Lambton1
- Leon1
- Loudoun1
- Macon1
- Madison1
- Manatee1
- Marlow, Near Sand Pond1
- Massachusetts1
- Miami-Dade1
- Mississippi State University Expt. Forest.1
- Missouri1
- Montréal, at the base of Mt. Royal1
- Morton Arboretum, Lisle1
- Murden Hammock1
- Mussoorie, Jabberkhet, NW Himalaya1