GBIF occurrence 42004823 from dataset CAS Herpetology Collection Catalog (California Academy of Sciences)
Thamnophis atratus atratus (Animalia:Reptilia:Colubridae)
| Systematics of the garter snake Thamnophis atratus at the southern end of its range J Boundy (1999) Proc. California Acad. Sci 51: 311-336 |