Sirogonium:
Abronia villosa (Desert Sand Verbena)
Sirogonium:
Anisacanthus thurberi (Chuparosa)
Sirogonium:
Camissoniopsis pallida subsp. pallida (Pale Yellow Suncup )
Sirogonium:
Chylismia claviformis (Brown-eyed Primrose)
Sirogonium:
Cylindropuntia ganderi (Gander's Buckhorn Cholla)
Sirogonium:
Cylindropuntia ganderi (Gander's Buckhorn Cholla)
Sirogonium:
Echinocereus engelmannii (Engelmann's Hedgehogs)
Sirogonium:
Echinocereus engelmannii (Engelmann's Hedgehogs)
Sirogonium:
Emmenanthe penduliflora var. penduliflora (Whispering Bells)
Sirogonium:
Eremalche rotundifolia (Desert Five Spot)
Sirogonium:
Ferocactus cylindraceus (California Barrel Cactus)
Sirogonium:
Ferocactus cylindraceus (California Barrel Cactus)
Sirogonium:
Ferocactus cylindraceus (Compass Barrel Cactus)
Sirogonium:
Hesperocallis undulata (Desert Lily)
Sirogonium:
Justicia californica (Chuparosa)
Sirogonium:
Krameria bicolor (White Rhatany)
Sirogonium:
Lupinus arizonicus (Arizona Lupine)
Sirogonium:
Lupinus arizonicus (Arizona Lupine)
Sirogonium:
Nicotiana obtusifolia (Desert Tobacco)
Sirogonium:
Oenothera deltoides (Dune Primrose)
Sirogonium:
Opuntia basilaris basilaris (Beavertail Cactus)
Sirogonium:
Opuntia basilaris basilaris (Beavertail Cactus)
Sirogonium:
Penstemon parryi (Desert Penstemon)
Sirogonium:
Penstemon parryi (Desert Penstemon)
Sirogonium:
Physalis crassifolia (Yellow Nightshade Groundcherry)
Sirogonium:
Tiquilia plicata (Fanleaf Crinklemat)
Sirogonium:
Yucca torreyi (Torrey's Yucca)
Sirogonium:
Yucca torreyi (Torrey's Yucca)