- "El Bolo" Peak, Doña Juana area, Toro Negro, Cordillera Central north of Villalba1
- Above Río Juan Diego, Sierra de Luquillo1
- Above Río de Coca Diego, Sierra de Luquillo1
- Across CCC Trail #1, Maricao Insular Forest1
- Alabama1
- Along Río Juan Diego, Sierra de Luquillo.1
- Along old trail to El Yunque above Finca Catalina, near site of old ranger station. Sierra de Luquillo1
- Along road between Alderton and Alexandria. Between 4 & 5 miles west of Alderton.1
- Alto de la Bandera, near Adjuntas1
- Amazonas1
- Arkansas1
- Arroyo de los Corchos, between Adjuntas and Jayuya1
- Asia1
- Barrio Guaraguao1
- Barro Colorado Island1
- Base de l'Echelle1
- Baxter1
- Below Hickoria1
- Between Adjuntas and Jayuya1
- Between Arecibo and Utuado1