Sirogonium: Acanthomintha lanceolata (Santa Clara Thornmint)
Sirogonium: Allium abramsii (Abram's Onion)
Sirogonium: Arabis blepharophylla (Coast Rock Cress)
Sirogonium: Calochortus clavatus var. clavatus (Club Haired Mariposa Lily)
Sirogonium: Calochortus excavatus (Inyo County Star Tulip)
Sirogonium: Calochortus fimbriatus (Late-flowered Mariposa)
Sirogonium: Calochortus obispoensis (San Luis Mariposa Lily)
Sirogonium: Calochortus persistens (Siskiyou Mariposa Lily)
Sirogonium: Calochortus simulans (San Luis Obispo Mariposa Lily)
Sirogonium: Calochortus striatus (Alkali Mariposa Lily)
Sirogonium: Calochortus tiburonensis (Tiburon Mariposa Lily)
Sirogonium: Calochortus umbellatus (Oakland Star Tulip)
Sirogonium: Calochortus uniflorus (Large Flowered Star Tulip)
Sirogonium: Calochortus westonii, (Shirley Meadows Star Tulip)
Sirogonium: Camissonia benitensis (San Benito Evening Primrose)
Sirogonium: Carpenteria californica (Tree Anemone)
Sirogonium: Cirsium fontinale var. obispoense (Chorro Creek Bog Thistle)
Sirogonium: Clarkia breweri (Brewer's Clarkia)
Sirogonium: Collomia rawsoniana (Flaming Trumpet)
Sirogonium: Cypripedium californicum (California Lady's Slipper)
Sirogonium: Cypripedium montanum (Mountain Ladys Slipper Orchid)
Sirogonium: Delphinium hansenii ssp. ewanianum (Ewan's Larkspur)
Sirogonium: Dicentra nevadensis (Sierra Bleeding Hearts)
Sirogonium: Diplacus mohavensis (Black Hole Monkeyflower)
Sirogonium: Diplacus pulchellus (Yellowlip Pansy Monkeyflower)
Sirogonium: Erysimum concinnum (Headland Wallflower)
Sirogonium: Erythranthe filicaulis (Slender-stemmed Monkeyflower)
Sirogonium: Erythranthe gracilipes (Slender-stalked Monkeyflower)
Sirogonium: Erythranthe grayi (Mariposa Monkeyflower)
Sirogonium: Erythranthe inconspicuus (Small-flowered Monkeyflower)