| Scientific Name | Notes | Rarity Ranks | Common Name |
|---|---|---|---|
| Carex barbarae | CNPS-EB: C | whiteroot sedge, Santa Barbara sedge, St. Barbara's sedge | |
| Carex pellita | (formerly C. lanuginosa) | CNPS-EB: A1 | woolly sedge |
| Carex subbracteata | CNPS-EB: B | small-bracted sedge | |
| Ceanothus thyrsiflorus var. thyrsiflorus | CNPS-EB: B | blue blossom, California lilac | |
| Cirsium brevistylum | CNPS-EB: B | indian thistle | |
| Cirsium douglasii var. douglasii | CNPS-EB: A1 | swamp thistle | |
| Danthonia californica | CNPS-EB: B-PV | California oat grass | |
| Deschampsia cespitosa subsp. cespitosa | CNPS-EB: B-PV | tufted hairgrass | |
| Dirca occidentalis | CNPS-EB: *A2 State CNPS: 1B.2 Global Rank: G2 CNDDB Rank: S2 | western leatherwood | |
| Erigeron philadelphicus var. philadelphicus | CNPS-EB: C | fleabane | |
| Hemizonia congesta subsp. lutescens | CNPS-EB: B | hayfield tarweed | |
| Horkelia californica var. frondosa | CNPS-EB: B | leafy horkelia | |
| Iris longipetala | CNPS-EB: *A1 State CNPS: 4.2 Global Rank: G3 CNDDB Rank: S3 | coast iris | |
| Isolepis cernua | (formerly Scirpus cernuus) | CNPS-EB: C | low club-rush |
| Layia platyglossa | CNPS-EB: B-PV | tidy-tips | |
| Ligusticum apiifolium | CNPS-EB: A2 | Pacific lovage | |
| Morella californica | (formerly Myrica c.) | CNPS-EB: B | wax myrtle |
| Prunella vulgaris var. lanceolata | (var. vulgaris is more common) | CNPS-EB: B | selfheal |
| Ranunculus lobbii | CNPS-EB: *A2 State CNPS: 4.2 Global Rank: G4 CNDDB Rank: S3 | Lobb's aquatic buttercup | |
| Sagina decumbens subsp. occidentalis | (S. apetala is more common) | CNPS-EB: B | western pearlwort |
| Sambucus racemosa var. racemosa | CNPS-EB: B | red elderberry | |
| Sisyrinchium californicum | CNPS-EB: A1 | golden-eyed-grass | |
| Tellima grandiflora | CNPS-EB: C | fringe cups | |
| Arbutus menziesii | CNPS-EB: C | Pacific madrone | |
| Calochortus umbellatus | CNPS-EB: *A2 State CNPS: 4.2 Global Rank: G3? CNDDB Rank: S3? | Oakland star-tulip | |
| Carex nebrascensis | CNPS-EB: B | Nebraska sedge | |
| Carex praegracilis | CNPS-EB: C | black creeper sedge, freeway sedge, deer-bed sedge | |
| Corallorhiza maculata var. maculata | (forma immaculata is more comm | CNPS-EB: A2 | spotted coralroot |
| Corallorhiza striata | (C. maculata is more common) | CNPS-EB: A1x | striped coralroot |
| Cornus sericea subsp. occidentalis | CNPS-EB: C | western dogwood | |
| Delphinium californicum subsp. californicum | CNPS-EB: B | coast larkspur, California larkspur | |
| Elymus stebbinsii | CNPS-EB: A1x | Stebbins' wheat grass, Parish's wheat-grass | |
| Elymus trachycaulus subsp. trachycaulus | CNPS-EB: A1 | slender wheat grass | |
| Fritillaria liliacea | CNPS-EB: *A2 State CNPS: 1B.2 Global Rank: G2 CNDDB Rank: S2 | fragrant fritillary | |
| Galium triflorum | CNPS-EB: B | sweet-scented bedstraw | |
| Holocarpha macradenia | CNPS-EB: *A1 State CNPS: 1B.1 Global Rank: G1 CNDDB Rank: S1 FESA Status: FT CESA Status: CE | Santa Cruz tarplant | |
| Hordeum brachyantherum subsp. californicum | (ssp. brachyantherum is more common | CNPS-EB: A1 | California barley |
| Juncus oxymeris | CNPS-EB: A1 | pointed rush | |
| Juncus phaeocephalus var. paniculatus | CNPS-EB: B | panicled rush, brown-headed rush | |
| Juncus phaeocephalus var. phaeocephalus | CNPS-EB: B | brownheaded rush | |
| Lepidium dictyotum | CNPS-EB: B | alkali pepper-grass | |
| Piperia elegans subsp. elegans | CNPS-EB: C | coast piperia, elegant piperia | |
| Quercus lobata | CNPS-EB: C | valley oak, roble | |
| Ribes malvaceum var. malvaceum | CNPS-EB: C | chaparral currant | |
| Rubus spectabilis | CNPS-EB: A1x | salmonberry | |
| Rumex californicus | (formerly R. salicifolius var. dentatus) | CNPS-EB: B-PV | willow dock |
| Rumex transitorius | CNPS-EB: B | willow dock | |
| Salix scouleriana | CNPS-EB: A2 | Scouler's willow | |
| Scirpus microcarpus | CNPS-EB: C | small-fruited bulrush | |
| Stipa cernua | CNPS-EB: B-PV | nodding needlegrass | |
| Stipa lepida | CNPS-EB: B-PV | foothill needlegrass | |
| Stipa pulchra | CNPS-EB: B-PV | purple needlegrass | |
| Trifolium fucatum | CNPS-EB: B | bull clover | |
| Vaccinium ovatum | CNPS-EB: B-PV | California huckleberry |