Spermophilus columbianus subsp. columbianus Ord 1815
Spermophilus columbianus subsp. columbianus Ord 1815, in: Guthrie, New Geogr., Hist., Coml. Grammar, Philadelphia, 2nd ed., Vol. 2: 292.
Type Locality: "Between the forks of the Clearwater and Kooskooskie rivers," [Idaho Co., Idaho, USA].
Synonyms: Spermophilus columbianus subsp. albertae (J. A. Allen 1903); Spermophilus columbianus subsp. brachiura (Rafinesque 1817); Spermophilus columbianus subsp. erythrogluteia (Richardson 1829) .