Thomomys (Megascapheus) bulbivorus (Richardson 1829)

[Diplostoma] bulbivorum Richardson 1829, Quadrupeds, in: Fauna Boreali-Americana, Vol. 1: 206.

Type Locality: USA, banks of Columbia River (probably Portland, Multnomah Co., Oregon; see Bailey, 1915).

Vernacular Names: Camas Pocket Gopher.

Distribution: Willamette Valley (NW Oregon, USA).

Conservation: IUCN – Lower Risk (lc).

Discussion: Subgenus Megascapheus . Revised by Bailey (1915). Reviewed by Verts and Carraway (1987 b, Mammalian Species No. 273). Genetic variation delineated by Carraway and Kennedy (1994).