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Phrynosoma douglasii

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Bibliography [top]

IUCN. 2007. 2007 IUCN Red List of Threatened Species. Available at: www.iucnredlist.org. (Accessed: 12th September 2007).

Powell, G.L. and Russell, A.P. 1998. The status of short-horned lizards, Phrynosoma douglasi and P. hernandezi, in Canada. Canadian Field-Naturalist 112: 1-16.

Stebbins, R.C. 2003. A Field Guide to Western Reptiles and Amphibians. Third Edition. Houghton Mifflin Company, Boston, Massachusetts.

St. John, A. 2002. Reptiles of the Northwest. Lone Pine Publishing, Renton, Washington.

Werner, J.K., Maxell, B.A., Hendricks, P. and Flath, D.L. 2004. Amphibians and reptiles of Montana. Mountain Press Publishing Company,, Missoula, Montana. xii + 262 pp.

Zamudio, K.R., Jones, K.B. and Ward, R.H. 1997. Molecular systematics of short-horned lizards: biogeography and taxonomy of a widespread species complex. Systematic Biology 46: 284-305.

Citation: Hammerson, G.A. 2007. Phrynosoma douglasii. In: IUCN 2013. IUCN Red List of Threatened Species. Version 2013.2. <www.iucnredlist.org>. Downloaded on 19 April 2014.
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