| Scientific Name | Notes | Rarity Ranks | Common Name |
|---|---|---|---|
| Allium crispum | CNPS-EB: A1 | crinkled onion | |
| Amsinckia tessellata var. gloriosa | CNPS-EB: A1 | carrizo fiddleneck, tessellate fiddleneck | |
| Amsinckia tessellata var. tessellata | CNPS-EB: A1 | desert fiddleneck, devil's lettuce | |
| Astragalus didymocarpus var. didymocarpus | (A. gambelianus is more common | CNPS-EB: A1 | two-seeded milkvetch |
| Navarretia cotulifolia | CNPS-EB: *A2 State CNPS: 4.2 | cotula navarretia | |
| Plagiobothrys infectivus | CNPS-EB: A1x | dye popcornflower | |
| California macrophylla | (formerly Erodium macrophyllum | CNPS-EB: B-PV | round-leaved filaree |
| Carex praegracilis | CNPS-EB: B | black creeper sedge, freeway sedge, deer-bed sedge | |
| Deinandra lobbii | (formerly Hemizonia l.) | CNPS-EB: C | three-rayed tarweed |
| Lepidium acutidens | CNPS-EB: C | sharp-toothed pepper-grass | |
| Lepidium latipes | CNPS-EB: B-PV | dwarf peppergrass | |
| Monolopia major | CNPS-EB: B | cupped monolopia | |
| Phacelia tanacetifolia | CNPS-EB: B | tansy phacelia | |
| Plantago elongata | CNPS-EB: B-PV | annual coast plantain | |
| Tetrapteron graciliflorum | CNPS-EB: B-PV | hill sun cup | |
| Trifolium columbinum | CNPS-EB: C | olive clover |