DistributionRead full entry
Range DescriptionThe range extends from Nevada to southwestern Colorado, south to northern Baja California, Sinaloa, and Coahuila; west to west of the Central Valley in California, east to western Texas (Parker 1982, Nussbaum et al. 1983, Degenhardt et al. 1996, Hammerson 1999, Dixon 2000, Grismer 2002, Stebbins 2003). Elevational range extends from near sea level to around 1,520 m (5,000 feet) (Stebbins 2003).