Roy W. McDiarmid. U.S. Geological Survey, Biological Resources Division, Patuxent Wildlife Research Center
database: Amphibian Species of the World: an Online Reference; Frost, Darrel R. 2004. Amphibian Species of the World: an Online Reference. Version 3.0 (22 August, 2004). Electronic Database accessible at http://research.amnh.org/herpetology/amphibia/index.html. American Museum of Natural History, New York, USA
database: Comisión Nacional para el Conocimiento y Uso de la Biodiversidad; CONABIO: (http://www.conabio.gob.mx/)
website: <a href="http://www.cbif.gc.ca/itisca/">ITIS*<sup>ca</sup></a>;
database: NODC Taxonomic Code;
website: Amphibian Species of the World: An online reference; Frost, Darrel R. 2000. Amphibian Species of the World: An online reference. V2.20 (1 September 2000) (http://research.amnh.org/herpetology/amphibia/index.html)
database: Amphibian Species of the World: an Online Reference v5.3; Frost, Darrel R. 2009. Amphibian Species of the World: an Online Reference. Version 5.3 (12 February, 2009). Electronic Database accessible at http://research.amnh.org/herpetology/amphibia/ American Museum of Natural History, New York, USA
Banks, R. C., R. W. McDiarmid, A. L. Gardner, and W. C. Starnes 2004-12-31. Checklist of Vertebrates of the United States, the U.S. Territories, and Canada, draft (2004). . . . . As-yet (2004) unpublished manuscript from 1998.
Flores-Villela, Oscar / McCoy, C. J., ed. 1993-01-29. Carnegie Museum of Natural History Special Publication, no. 17. Carnegie Museum of Natural History. Pittsburgh, Pennsylvania, USA. iv + 73. 0-911239-42-1. .
