Schemes including Plethodon welleri

• Amphibian Species of the World 5.6 Plethodon welleri
• IUCN Red List of Threatened Species. Version 2012.1 Plethodon welleri
• Amphibiaweb. 2012 Plethodon welleri
• Amphibian Species of the World 5.5 Plethodon welleri
• IUCN Red List of Threatened Species. Version 2012.2 (59363) Plethodon welleri
• NatureServe Explorer: An online encyclopedia of life. Version 7.1 (ELEMENT_GLOBAL.2.104883) Plethodon welleri
• GBIF (2431546) Plethodon welleri
• Amphibian Species of the World 6.0 Plethodon welleri