desert national wildlife refuge sun dog

agavaceae america and arid atmospheric background black blackbrush blue brevifolia camp clark coleogyne community county desert dog dry environment fish flora forest gray green intermountain joshua landscape meteorology mojave monophylla mountains national nevada nut outdoors parhelion parks phenomenon pine pinus rainbow ramosissima refuge road semiarid service seuss seussian sharp shrubland skies southwest southwestern spot sun sundog tree vegetation wildlife woodland yucca