| ~ La Paz, Baja California | Mexico | 24.16666667 | -110.2833333 | | John2002 |
| ~, Baja California Sur | Mexico | 25.833332 | -111.833344 | | John2002 |
| ~ Hermosillo, Sonora | Mexico | 29.066668 | -110.966667 | | John2002 |
| Mexico | | | | Whee1986 |
| near American Museum of natural History Southwestern Research Station, Arizona | USA | 31.86666667 | -109.25 | | Ande1997 |
| ~, California | USA | 37.416667 | -120 | | John2002 |
| Spring Mts, Clark County, Nevada | USA | | | | Whee1986 |
| Cabin Canyon in Virgin Mts, Clark County, Nevada | USA | | | | Whee1986 |
| Mojave Indian Reservation, Clark County, Nevada | USA | | | | Whee1986 |
| Walleys Hot Springs, Douglas County, Nevada | USA | | | | Whee1986 |
| 2 mi E Lida, Esmeralda County, Nevada | USA | | | | Whee1986 |
| Tule Spring, E side Sylvania Mts nr California border, Esmeralda County, Nevada | USA | | | | Whee1986 |
| 4 mi W Calinete, Lincoln County, Nevada | USA | | | | Whee1986 |
| Pahroc Summitt, 24 mi W Caliente, Lincoln County, Nevada | USA | | | | Whee1986 |
| 23 mi w Crystal springs, Lincoln County, Nevada | USA | | | | Whee1986 |
| Fairbanks Springs, Nye County, Nevada | USA | | | | Whee1986 |
| 23 mi ENE Reno, Storey county, Nevada | USA | | | | Whee1986 |
| 5 mi N Pyramid, E side Pyramid Lake, Storey county, Nevada | USA | | | | Whee1986 |
| Oklahoma | USA | | | | Whee1986 |
| ~San Angelo, Texas | USA | 31.43333333 | -100.4666667 | | Whee1986 |
| Interstate Highway 10 in Kimble and Kerr Counties, Texas | USA | 30.3 | -99.5 | | Cami1990 |
| Brackenridge Field Laboratory, Travis, Texas | USA | 30.26666667 | -97.716666 | | Morr2002a |
