Schemes including Pantherophis guttatus

• IUCN Red List of Threatened Species. Version 2012.1 Pantherophis guttatus
• The Reptile Database (Pantherophis_guttatus) Pantherophis guttatus
• IUCN Red List of Threatened Species. Version 2012.2 (63863) Pantherophis guttatus
• NatureServe Explorer: An online encyclopedia of life. Version 7.1 (ELEMENT_GLOBAL.2.100164) Pantherophis guttatus
• GBIF (2455615) Pantherophis guttatus