1904. Lepus merriami altamirae Nelson, Proc. Biol. Soc. Washington, 17:109, May 18, type from Alta Mira, Tamaulipas. Known from type locality only.
1951. Lepus californicus altamirae, Hall, Univ. Kansas Publ., Mus. Nat. Hist., 5:45, October 1, 1951.
Lepus californicus asellus Miller.
1899. Lepus asellus Miller, Proc. Acad. Nat. Sci., Philadelphia, p. 380, September 29, type from San Luis Potosí, San Luis Potosí.
1909. Lepus californicus asellus, Nelson, N. Amer. Fauna, 29:150, August 31.
Marginal records (Nelson, 1909:151).—Coahuila: Jaral. Nuevo Leon: Miquihuana. San Luis Potosí: Río Verde. Aguascalientes: Chicalote. Zacatecas: Valparaiso.
Lepus californicus bennettii Gray.
1844. Lepus bennettii Gray, Zoology Voy. Sulphur, p. 35, pl. 14, type from San Diego, San Diego County, California.
1909. Lepus californicus bennetti, Nelson, N. Amer. Fauna, 29:136, August 31.
Marginal records.—California: Mt. Piños (Orr, 1940:73); Arroyo Seco, Pasadena (Orr, 1940:74); San Felipe Valley (ibid.); Jacumba (Nelson, 1909:137), Baja California: San Quintín (Nelson, 1909:137). Northward along coast at least to California: Montalvo (Orr, 1940:73).