Schemes including Thamnophis brachystoma

• IUCN Red List of Threatened Species. Version 2012.1 Thamnophis brachystoma
• The Reptile Database (Thamnophis_brachystoma) Thamnophis brachystoma
• IUCN Red List of Threatened Species. Version 2012.2 (63971) Thamnophis brachystoma
• NatureServe Explorer: An online encyclopedia of life. Version 7.1 (ELEMENT_GLOBAL.2.104011) Thamnophis brachystoma
• GBIF (2457596) Thamnophis brachystoma