Map 34, 35.Distribution of Sierra group species. 34 known distribution of Aptostichus dorothealangeae, Aptostichus chavezi, Aptostichus huntington, and Aptostichus sierra 35 predicted distribution of Aptostichus chavezi; cooler colors–blue shades–represent areas of high probability of occurrence, warmer colors–yellow and orange shades–represent areas of low probability of occurrence.