text:  Vegetation in the Trout Creek Mountains is dominated by big sagebrush and desert grasses . Other common shrubs include bitterbrush , snowberry , and Ceanothus . There are also patches of mountain mahogany in some areas . Common grass species include Idaho fescue , bluebunch wheatgrass , cheatgrass , western needlegrass , Sandberg 's bluegrass , Thurber 's needlegrass , and bottlebrush <unk> , as well as basin <unk> in some well @-@ drained areas . 
  