Tamiasciurus douglasii subsp. douglasii Bachman 1838
Tamiasciurus douglasii subsp. douglasii Bachman 1838, Proc. Zool. Soc. Lond., 1838: 99.
Type Locality: "Shores of Columbia River" Restricted by J. A. Allen (1898:284) to mouth of Columbia River, [Clatsop Co., Oregon, USA].
Synonyms: Tamiasciurus douglasii subsp. belcheri (Gray 1842); Tamiasciurus douglasii subsp. suckleyi (Baird 1855) .