Schemes including Diadophis punctatus

• IUCN Red List of Threatened Species. Version 2012.1 Diadophis punctatus
• The Reptile Database (Diadophis_punctatus) Diadophis punctatus
• IUCN Red List of Threatened Species. Version 2012.2 (63769) Diadophis punctatus
• NatureServe Explorer: An online encyclopedia of life. Version 7.1 (ELEMENT_GLOBAL.2.100405) Diadophis punctatus
• CONABIO (15518REPTIB501112) Diadophis punctatus
• GBIF (2459509) Diadophis punctatus