| united states | | sistrurus miliarius | species | 8 | 0 |
| united states | florida | sistrurus miliarius | species | 12 | 2 |
| united states | florida | sistrurus miliarius barbouri | subspecies | 56 | 2 |
| united states | georgia | sistrurus miliarius | species | 1 | 0 |
| united states | north carolina | sistrurus miliarius miliarius | subspecies | 8 | 0 |
| united states | oklahoma | sistrurus miliarius streckeri | subspecies | 38 | 0 |
| united states | south carolina | sistrurus miliarius miliarius | subspecies | 19 | 0 |