Ochotona (Pika) princeps subsp. schisticeps Merriam 1889

Synonyms: Ochotona (Pika) princeps subsp. albata Grinnell 1912; Ochotona (Pika) princeps subsp. cinnamomea Allen 1905; Ochotona (Pika) princeps subsp. muiri Grinnell and Storer 1916; Ochotona (Pika) princeps subsp. sheltoni Grinnell 1918; Ochotona (Pika) princeps subsp. tutelata Hall 1934 .

Discussion: Allozyme studies revealed 4-5 main groups of populations in this species (Hafner and Sullivan, 1995). This name belongs to the Sierra Nevada-Great Basin group.