Biosphere Reserve of the, MEX/Pinacate & Gran Desierto Altar, Mexico Smooth milkvine (Sarcostemma hirtellum) flowering against Saguaro cactus (Carnegiea gigantea).395V4
Biosphere Reserve of the, MEX/Pinacate & Gran Desierto Altar, Mexico Flowering Sand Verbena (Abronia villosa) amid Creosote bushes (Larrea tridentata) Sierra del Rosario.backgrnd1197H10
