found: Draft recovery plan for the pacific pocket mouse (Perognathus longimembris pacificus), 1997:p. 1 (endangered species) p. 2 (1 of 19 recognized subspecies of the little pocket mouse (Perognathus longimembris); smallest member of the family Heteromyidae)
found: Mamm. species of the world, 1993:p. 485 (Perognathus longimembris. Two California subspecies (brevinasus and pacificus) listed as species of special concern by Calif. Dept. Fish & Game)
found: Life on the edge, guide to Calif. endangered natural resources, 1994:p. 67 (Pacific pocket mouse (Perognathus longimembris pacificus) now grouped with at least 15 other subspecies of the little pocket mouse (Perognathus longimembris))