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|Citation:||Geoffrey Hammerson, Donald Shepard. 2004. Anaxyrus houstonensis. The IUCN Red List of Threatened Species 2004: e.T3170A9651352. http://dx.doi.org/10.2305/IUCN.UK.2004.RLTS.T3170A9651352.en . Downloaded on 10 October 2015.|
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