Country: Texas
Distribution of Terrestrial Snakes in North America
Elapids
| Micrurus tener | X |
Pit Vipers
| Agkistrodon contortrix | X | |
| Agkistrodon laticinctus | N+C | |
| Agkistrodon piscivorus | X |
| Crotalus atrox | X | |
| Crotalus horridus | E | |
| Crotalus lepidus | W | |
| Crotalus molossus | C+SW | |
| Crotalus ornatus | X | |
| Crotalus scutulatus | SW | |
| Crotalus viridis | W+C |
| Sistrurus catenatus | W | |
| Sistrurus miliarius | E | |
| Sistrurus tergeminus | X |