| Scientific Name | Notes | Rarity Ranks | Common Name |
|---|---|---|---|
| Acaena californica | (formerly A. pinnatifida var. californica) | CNPS-EB: C | California acaena |
| Agrostis hallii | CNPS-EB: A2 | Hall's bent grass | |
| Apocynum androsaemifolium | CNPS-EB: A2 | bitter dogbane, dogbane | |
| Asarum caudatum | CNPS-EB: B | wild-ginger | |
| Asclepias speciosa | (A. californica is more common | CNPS-EB: B | showy milkweed, milkweed |
| Berula erecta | CNPS-EB: C | cutleaf water-parsnip | |
| Cirsium andrewsii | CNPS-EB: *A1 State CNPS: 1B.2 Global Rank: G3 CNDDB Rank: S3 | Franciscan thistle | |
| Cirsium quercetorum | CNPS-EB: A2 | brownie thistle | |
| Cuscuta subinclusa | CNPS-EB: C | canyon dodder | |
| Delphinium hesperium subsp. hesperium | CNPS-EB: B | western larkspur | |
| Deschampsia elongata | CNPS-EB: C | slender hair grass | |
| Elymus multisetus | CNPS-EB: C | big squirreltail | |
| Erigeron philadelphicus var. philadelphicus | CNPS-EB: C | fleabane | |
| Festuca idahoensis | CNPS-EB: C | Idaho fescue, blue bunchgrass | |
| Festuca rubra | CNPS-EB: C | red fescue | |
| Helianthella castanea | CNPS-EB: *A2 State CNPS: 1B.2 Global Rank: G2 CNDDB Rank: S2 | Diablo helianthella | |
| Heterotheca sessiliflora subsp. bolanderi | (H. s. ssp. echioides is more | CNPS-EB: C | Bolander goldenaster |
| Iris longipetala | CNPS-EB: *A1 State CNPS: 4.2 Global Rank: G3 CNDDB Rank: S3 | coast iris | |
| Lasthenia glabrata subsp. glabrata | CNPS-EB: A2 | yellow-ray goldfields | |
| Layia gaillardioides | CNPS-EB: A2 | woodland layia | |
| Layia hieracioides | CNPS-EB: C | tall layia | |
| Layia platyglossa | CNPS-EB: B | tidy-tips | |
| Lilium pardalinum subsp. pardalinum | CNPS-EB: A1 | leopard lily | |
| Lupinus arboreus | CNPS-EB: A2 | yellow bush lupine | |
| Marah oregana | CNPS-EB: B | coast man-root | |
| Meconella oregana | CNPS-EB: *A2 State CNPS: 1B.1 Global Rank: G2 CNDDB Rank: S2 | Oregon meconella | |
| Melica californica | CNPS-EB: C | California melic | |
| Moehringia macrophylla | CNPS-EB: A2 | large-leaved sandwort, big-leaf sandwort | |
| Morella californica | (formerly Myrica c.) | CNPS-EB: B | wax myrtle |
| Prunus emarginata | CNPS-EB: C | bitter cherry | |
| Quercus garryana var. garryana | CNPS-EB: B | Oregon oak | |
| Rhamnus crocea | CNPS-EB: C | spiny redberry | |
| Rhus aromatica | (formerly R. trilobata) | CNPS-EB: C | skunk bush, skunkbrush, squawbush |
| Rosa spithamea | CNPS-EB: C | coast ground rose, ground rose | |
| Sambucus racemosa var. racemosa | CNPS-EB: B | red elderberry | |
| Scirpus microcarpus | CNPS-EB: C | small-fruited bulrush | |
| Scutellaria californica | CNPS-EB: B | California skullcap | |
| Senecio aronicoides | CNPS-EB: C | rayless ragwort, California butterweed | |
| Sisyrinchium californicum | CNPS-EB: A1 | golden-eyed-grass | |
| Stipa cernua | CNPS-EB: C | nodding needlegrass | |
| Stipa lepida | CNPS-EB: C | foothill needlegrass | |
| Stipa pulchra | CNPS-EB: C | purple needlegrass | |
| Turritis glabra | CNPS-EB: B | tower mustard | |
| Androsace elongata subsp. acuta | CNPS-EB: *A2 State CNPS: 4.2 Global Rank: G5?T3T4 CNDDB Rank: S3S4 | California androsace | |
| Calamagrostis rubescens | CNPS-EB: B | pine reed grass, pine grass | |
| Calochortus splendens | CNPS-EB: A2 | splendid mariposa-lily | |
| Calochortus umbellatus | CNPS-EB: *A2 State CNPS: 4.2 Global Rank: G3? CNDDB Rank: S3? | Oakland star-tulip | |
| Cornus sericea subsp. sericea | CNPS-EB: C | American dogwood | |
| Danthonia californica | CNPS-EB: C | California oat grass | |
| Deschampsia cespitosa subsp. holciformis | CNPS-EB: B | tufted hairgrass | |
| Eleocharis acicularis var. acicularis | CNPS-EB: B | needle spike-rush | |
| Epilobium ciliatum subsp. watsonii | (ssp. ciliatum is more common) | CNPS-EB: A1 | San Francisco willowherb |
| Horkelia californica var. frondosa | CNPS-EB: B | leafy horkelia | |
| Isolepis cernua | (formerly Scirpus cernuus) | CNPS-EB: C | low club-rush |
| Leptosiphon grandiflorus | (formerly Linanthus g.) | CNPS-EB: *A1x State CNPS: 4.2 Global Rank: G3G4 CNDDB Rank: S3S4 | large-flowered leptosiphon, large-flowered linanthus |
| Montia fontana | CNPS-EB: C | water chickweed, blinks, water chickweed | |
| Phacelia ramosissima | CNPS-EB: B | branching phacelia | |
| Plagiobothrys tenellus | CNPS-EB: B | Pacific popcornflower, slender popcornflower | |
| Pseudognaphalium beneolens | (formerly Gnaphalium canescens | CNPS-EB: C | fragrant everlasting |
| Rumex transitorius | CNPS-EB: B | willow dock | |
| Sabulina pusilla | (formerly Minuartia pusilla) | CNPS-EB: A1 | annual sandwort, least sandwort |