Place
- Km 102, Maunabo Yabucoa road1
- Km 43.3, Caguas Cayey road1
- Lake Marion1
- Lawrence1
- Lena Stein Ravine1
- Little Escambia Creek, west of Range1
- Luquillo Mountains1
- Mahogany Hammock, Everglades National Park1
- Maricao1
- Martinique1
- Mt. Britton Peak, Sierra de Luquillo1
- Myakka, Along Myakka River1
- Myakka, Myakka River1
- Near Kingston1
- Near Manatee1
- Near Maysport1
- Near Myaka City1
- Near Roxborough1
- Near high fall of Río Espíritu Santo above Verde, NW side of Sierra de Luquillo1
- Near summit of El Yunque Range, Sierra de Luquillo1