Agkistrodon contortrix phaeogaster was formerly a venomous pit viper subspecies found in the central region of the United States. However, recent taxonomic changes do not recognizes the Osage copperhead (A. c. phaeogaster) as a valid taxon.
Agkistrodon contortrix phaeogaster was formerly a venomous pit viper subspecies found in the central region of the United States. However, recent taxonomic changes do not recognizes the Osage copperhead (A. c. phaeogaster) as a valid taxon. (en)
Agkistrodon contortrix phaeogaster was formerly a venomous pit viper subspecies found in the central region of the United States. However, recent taxonomic changes do not recognizes the Osage copperhead (A. c. phaeogaster) as a valid taxon. (en)