| Subspecies | Taxon author | Common name | Geographic range |
|---|---|---|---|
| A. c. contortrix | (Linnaeus, 1766) | Southern copperhead | The United States, in the lower Mississippi Valley and the states bordering the Gulf of Mexico, from eastern Texas and southeastern Oklahoma to southern Illinois, on the South Atlantic Coastal Plain from the Florida panhandle to South Carolina |
| A. c. laticinctus | Gloyd & Conant, 1934 | Broad-banded copperhead | The United States, from south-central Texas (Victoria to Frio Counties), north through central Oklahoma to the extreme south of Cowley County, Kansas. |
| A. c. mokasen | Palisot de Beauvois, 1799 | Northern copperhead | The United States, in southern Illinois, extreme northeastern Mississippi, northern Alabama, northern Georgia northeast to Massachusetts, the Appalachian Mountain region and associated plateaus |
| A. c. phaeogaster | Gloyd, 1969 | Osage copperhead | The United States, in eastern Kansas, extreme southeastern Nebraska and a large part of Missouri |
| A. c. pictigaster | Gloyd & Conant, 1943 | Trans-Pecos copperhead | The United States, in western Texas from the vicinity of the Pecos and Devils Rivers to the counties of Jeff Davis and Presidio, Mexico, in northern Chihuahua and Coahuila |
Read more about this topic: Agkistrodon Contortrix