Reithrodontomys (Reithrodontomys) montanus (Baird 1855)

[Reithrodon] montanus Baird 1855, Proc. Acad. Nat. Sci. Philadelphia, 7: 335.

Type Locality: USA, Colorado, Saguache Co., upper part of the San Luis Valley (as restricted by Allen, 1895:125; also see Armstrong’s, 1972:190, lucid summary of the contradictory references to the type locality).

Vernacular Names: Plains Harvest Mouse.

Synonyms: Reithrodontomys (Reithrodontomys) albescens Cary 1903; Reithrodontomys (Reithrodontomys) griseus Bailey 1905 .

Distribution: High Plains of C USA, from W South Dakota and E Wyoming to EC Texas and extreme SE Arizona; NE Sonora and Chihuahua to N Durango, México.

Conservation: IUCN – Lower Risk (lc).

Discussion: Subgenus Reithrodontomys, megalotis species group. Multivariate discrimination from R. megalotis in Kansas demonstrated by Hoofer et al. (1999). New records on Edwards Plateau, EC Texas, documented by Goetze et al. (1993). See Wilkins (1986, Mammalian Species, 257).