| mexico | | crotalus triseriatus triseriatus | subspecies | 3 | 0 |
| mexico | colima | crotalus armstrongi | species | 3 | 0 |
| mexico | federal district | crotalus triseriatus | species | 15 | 0 |
| mexico | federal district | crotalus triseriatus triseriatus | subspecies | 7 | 0 |
| mexico | jalisco | crotalus armstrongi | species | 15 | 0 |
| mexico | mexico | crotalus triseriatus triseriatus | subspecies | 10 | 0 |
| mexico | michoacan ocampo | crotalus armstrongi | species | 22 | 0 |
| mexico | michoacan ocampo | crotalus triseriatus triseriatus | subspecies | 8 | 0 |
| mexico | puebla | crotalus triseriatus triseriatus | subspecies | 15 | 0 |
| mexico | veracruz-llave | crotalus triseriatus triseriatus | subspecies | 6 | 0 |