found: Work cat.: Yensen, E. Can Townsend's ground squirrels survive on a diet of exotic annuals?, 1992, via Mountain West digital library, viewed Dec. 12, 2006:abstr. (Townsend's ground squirrels (Spermophilus townsendii idahoensis))
found: ITIS, Dec. 12, 2006(Spermophilus townsendii Bachman, 1839 -- valid -- Townsend's ground squirrel) Mar. 20, 2020 (Urocitellus townsendii. Synonym: Spermophilus townsendii. Common name: Townsend's Ground Squirrel)
found: NCBI taxonomy browser, Dec. 12, 2006(Spermophilus townsendi (Townsend's ground squirrel). Synonym: Citellus townsendii) Mar. 20, 2020 (Urocitellus townsendii (Townsend's ground squirrel). Synonyms: Citellus townsendii Spermophilus townsendii, Spermophilus townsendi)
found: NatureServe explorer, via WWW, Dec. 12, 2006(Spermophilus townsendii, Townsend's Ground Squirrel. Spermophilus canus and S. mollis formerly were included in S. townsendii. Baker et al. (2003) and Thorington and Hoffmann (in Wilson and Reeder 2005) recognized the three taxa as distinct species, noting their distinct cytotypes and lack of hybridization.) Mar. 20, 2020 (Urocitellus townsendii, Townsend's Ground Squirrel)
found: North American mammals website, Dec. 12, 2006(Spermophilus townsendii, Townsend's Ground Squirrel. Also known as: Sage Squirrel, Sage Rat)
found: Mammal species of the world, via WWW, Dec. 12, 2006(Spermophilus townsendii. Common name: Townsend's Ground Squirrel. Synonyms: yakimensis)
found: Mammal species list search, via American Society of Mammalogists website, Mar. 20, 2020(Townsend's Ground Squirrel, Urocitellus townsendii)
