Place
- Perrin's Field, North Denver1
- Presque Isle1
- Puebla1
- Rancho Colorado, sides of steep, dry ravines1
- Routt1
- San Bruno Road1
- San Diego Canyon, Sierra Madre Mts.1
- San Francisco1
- San Juan1
- San Luis Potosí1
- Sierra Surotato,Ocurahui1
- Sierra de Pachuca1
- Sinaloa1
- Sprague1
- Steamboat Springs1
- Teller1
- Utah1
- Villa Acuna, Sierra del Carmen; Canyon de Sentenela on Hacienda Piedra Blanca1
- Washington1
- White Pine1