| Scientific Name | Notes | Rarity Ranks | Common Name |
|---|---|---|---|
| Mirabilis laevis var. crassifolia | (formerly M. californica) | CNPS-EB: A1 | wishbone bush, California four o'clock |
| Ribes speciosum | CNPS-EB: A1 | fuchsia-flowered gooseberry | |
| Eleocharis parishii | CNPS-EB: A1 | Dombey's spike-rush | |
| Plectritis congesta subsp. congesta | CNPS-EB: A1x | sea blush | |
| Streptanthus albidus subsp. peramoenus | CNPS-EB: *A2 State CNPS: 1B.2 | most beautiful jewel-flower | |
| Gutierrezia californica | CNPS-EB: B-PV | California matchweed | |
| Horkelia californica var. frondosa | CNPS-EB: B-PV | leafy horkelia | |
| Senecio aronicoides | CNPS-EB: B-PV | rayless ragwort, California butterweed | |
| Triphysaria versicolor subsp. faucibarbata | CNPS-EB: B | smooth owl's-clover | |
| Amelanchier utahensis | CNPS-EB: C | Utah service-berry | |
| Delphinium californicum subsp. californicum | CNPS-EB: B | coast larkspur, California larkspur | |
| Erigeron philadelphicus var. philadelphicus | CNPS-EB: C | fleabane | |
| Gruvelia pusilla | (formerly Pectocarya pusilla) | CNPS-EB: C | little pectocarya |
| Juncus phaeocephalus var. paniculatus | CNPS-EB: B | panicled rush, brown-headed rush | |
| Plagiobothrys canescens var. canescens | CNPS-EB: C | valley popcornflower | |
| Prunus subcordata | CNPS-EB: C | Pacific plum, Sierra plum | |
| Ranunculus canus var. canus | CNPS-EB: C | Sacramento Valley buttercup | |
| Stellaria nitens | CNPS-EB: B-PV | shining chickweed | |
| Turritis glabra | CNPS-EB: B | tower mustard |