Behler, J.L. and King, F.W. 1979. The Audubon Society Field Guide to North American Reptiles and Amphibians. New York.
Blackburn, L., Nanjappa, P. and Lannoo, M.J. 2001. An Atlas of the Distribution of U.S. Amphibians. Ball State University, Muncie, IN, USA.
Cannings, R.J. 1999. Wildlife in British Columbia at risk: Great Basin spadefoot toad. British Columbia Ministry of Environment, Lands and Parks, Victoria.
Hall, J.A. 1998. Scaphiopus intermontanus. Catalogue of American Amphibians and Reptiles: 1-17.
Hammerson, G.A. 1999. Amphibians and reptiles in Colorado. Second edition. University Press of Colorado, Boulder.
IUCN. 2015. The IUCN Red List of Threatened Species. Version 2015-4. Available at: www.iucnredlist.org. (Accessed: 19 November 2015).
Nussbaum, R.A., Brodie, Jr., E.D. and Storm, R.M. 1983. Amphibians and Reptiles of the Pacific Northwest. University Press of Idaho, Moscow, ID, USA.
Species at Risk Branch. 2002. Species at Risk Range Maps. Canadian Wildlife Service, Environment Canada. (http://www.sis.ec.gc.ca/download_e.htm), Ottawa.
Stebbins, R.C. 1985. A Field Guide to Western Reptiles and Amphibians. Second Edition. Houghton Mifflin Company, Boston, Massachusetts.
Stebbins, R.C. 2003. A Field Guide to Western Reptiles and Amphibians. Third Edition. Houghton Mifflin Company, Boston, Massachusetts.
Wiens, J.J. and Titus, T.A. 1991. A phylogenetic analysis of Spea (Anura: Pelobatidae). Herpetologica: 21-28.
|Citation:||IUCN SSC Amphibian Specialist Group. 2015. Spea intermontana. The IUCN Red List of Threatened Species 2015: e.T59046A78908125. . Downloaded on 25 June 2016.|
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