Description: English: Mount Lyell Salamander (Hydromantes platycephalus) illustration. Date: 1980. Source: Verner, Jared, and Allan S. Boss, technical coordinators. 1980. California Wildlife and their Habitats: Western Sierra Nevada. Gen. Tech. Rep. PSW-37, Forest Service, Pacific Southwest Forest and Range Experiment Station, U.S. Dept. of Agriculture, Berkeley, Calif.
USDA link HathiTrust. Author: Ellen Blonder.