Image: Thamnophis sirtalis map
Description: Range map of subspecies of Common Garter Snake (Thamnophis sirtalis). T. s. sirtalis — (eastern garter snake) T. s. parietalis — (red-sided garter snake) T. s. infernalis — (California red-sided garter snake) T. s. concinnus — (red-spotted garter snake) T. s. dorsalis — (New Mexico garter snake) T. s. pickeringii — (Puget Sound garter snake) T. s. tetrataenia — (San Francisco garter snake) T. s. semifasciatus — (Chicago garter snake) T. s. pallidulus — (Maritime garter snake) T. s. annectens — (Texas garter snake) T. s. fitchi — (valley garter snake) T. s. similis — (blue-striped garter snake) T. s. lowei Intergrade zones
Title: Thamnophis sirtalis map
Credit: Valley Gartersnake - Thamnophis sirtalis fitchi on California Herps. retrieved on 18 Nov. 2018
Author: Cephas
Usage Terms: Creative Commons Attribution-Share Alike 4.0
License: CC BY-SA 4.0
License Link: https://creativecommons.org/licenses/by-sa/4.0
Attribution Required?: Yes
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