Peromyscus difficilis (J. A. Allen, 1891)

Guy G. Musser & Michael D. Carleton, 1993, Order Rodentia - Family Muridae, Mammal Species of the World (2 nd Edition), Washington and London: Smithsonian Institution Press, pp. 501-755 : 729-730

publication ID	https://doi.org/ 10.5281/zenodo.7353098
DOI	https://doi.org/10.5281/zenodo.7286690
persistent identifier	https://treatment.plazi.org/id/03D087AE-FF12-FF5E-FF13-01BEFA55FDA5
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scientific name	Peromyscus difficilis (J. A. Allen, 1891)
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Peromyscus difficilis (J. A. Allen, 1891) . Bull. Am. Mus. Nat. Hist., 3:298.

TYPE LOCALITY: Mexico, Zacatecas, Sierra de Valparaiso .

DISTRIBUTION: W Chihuahua and SE Coahuila, south to C Oaxaca, Mexico.

SYNONYMS: amplus , felipensis , petricola, saxicola .

COMMENTS: Revised by Hoffmeister and de la Torre (1961) to include nasutus (see species account below) and comanche (transferred to P. truei — Schmidly, 1973b). Karyologic and biochemical evidence has suggested that P. difficilis and P. nasutus are sibling species ( Avise et al., 1979; Zimmerman et al., 1975, 1978); classified as such by Carleton (1989), but see Janecek (1990). P. truei species group.