Order Rodentia - Family Cricetidae Author Wilson, Don E. Author Reeder, DeeAnn text 2005 The Johns Hopkins University Press Baltimore Mammal Species of the World: a Taxonomic and Geographic Reference (3 rd Edition), Volume 2 955 1189 book chapter 0-8018-8221-4 10.5281/zenodo.7316535 Microtus (Mynomes) canicaudus Miller 1897 Microtus (Mynomes) canicaudus Miller 1897 , Proc. Biol. Soc. Wash., 11: 67 . Type Locality: USA , Oregon , Polk Co., Willamette Valley, McCoy. Vernacular Names: Gray-tailed Vole . Distribution: Willamette Valley, NW Oregon ( Verts and Carraway, 1998 :Fig. 11-111) and adjacent Washington , USA . Conservation: IUCN – Lower Risk (lc). Discussion: Subgenus Mynomes . Reduced to a subspecies of M. montanus by Hall and Kelson (1951) ; resurrected to specific status based on karyotypic and electrophoretic evidence ( Hsu and Johnson, 1970 ; Johnson, 1968 ; Modi, 1986 ). Sibling species to M. montanus ( Hoffmann and Koeppl, 1985 ; Modi, 1986 , 1987 ; Zagorodnyuk, 1990 ) or to M. townsendii ( Conroy and Cook, 2000 a ; Conroy et al., 2001 ). See Verts and Carraway (1987, Mammalian Species, 267).