| Calochortus clavatus var. pallidus | club-haired mariposa-lily | A1 |
| Calochortus invenustus | plain mariposa-lily | A1x |
| Calochortus pulchellus | Mount Diablo fairy-lantern | *A2 |
| Calochortus splendens | splendid mariposa-lily | B-PV |
| Calochortus umbellatus | Oakland star-tulip | *A2 |
| Clintonia andrewsiana | red clintonia | A1 |
| Fritillaria agrestis | stinkbells | *A2 |
| Fritillaria falcata | talus fritillary | *A1 |
| Fritillaria liliacea | fragrant fritillary | *A2 |
| Lilium pardalinum subsp. pardalinum | leopard lily | A1 |
| Prosartes smithii | large-flowered fairy bell | A1x |
| Scoliopus bigelovii | fetid adder's tongue, slink pod | A1x |