Latitudinal range: 29.2° to 33.6°

Habitats: desert/xeric shrubland (4)

only

Found in 4 samples

Mexico: Mexico Highway 16

United States: Maricopa Road (MR-238), Sun Valley Parkway, Santa Rita Experimental Range (mesquite-free)

See also Crotalus, Crotalus adamanteus, Crotalus basiliscus, Crotalus cerastes, Crotalus durissus, Crotalus horridus, Crotalus lepidus, Crotalus molossus, Crotalus molussus, Crotalus ravus, Crotalus scutulatus, Crotalus sp., Crotalus tzabcan