IUCN threat status:

Least Concern (LC)

Distribution

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Range Description

The range of this species extends along the Coast Ranges from central California in the United States, just east (east of Livermore) and south of San Francisco Bay, to the tip of Baja California in Mexico. It also ranges to the desert side of the mountains in southern California (Cole and Hardy 1981, 1983; Grismer 2002; Stebbins 2003), but is absent from the Lower Colorado Desert, the Vizcaíno Desert, and the Magdalena Plain. Its elevational range extends from sea level to about 1,220 m asl (4,000 feet) (Stebbins 2003). Stebbins (2003) pointed out that the distribution of this species and of T. hobartsmithi in central California needs further study and clarification.

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© International Union for Conservation of Nature and Natural Resources

Source: IUCN

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