| Scientific Name | Notes | Rarity Ranks | Common Name |
|---|---|---|---|
| Amaranthus blitoides | CNPS-EB: C | procumbent pigweed, prostrate amaranth | |
| Aphyllon vallicola | CNPS-EB: B | California broom-rape | |
| Astragalus asymmetricus | CNPS-EB: C | San Joaquin locoweeed | |
| Brickellia californica | CNPS-EB: C | California brickellbush, California brickellia | |
| Carex nudata | CNPS-EB: B | torrent sedge | |
| Datisca glomerata | CNPS-EB: C | durango root | |
| Elymus multisetus | CNPS-EB: C | big squirreltail | |
| Ericameria arborescens | CNPS-EB: B | golden-fleece | |
| Eriogonum gracile var. gracile | CNPS-EB: C | slender woolly wild buckwheat, slender buckwheat | |
| Eriogonum roseum | CNPS-EB: A2 | wand wild buckwheat, virgate buckwheat | |
| Eriogonum wrightii var. trachygonum | CNPS-EB: C | rough-node bastard-sage, Wright's eriogonum | |
| Frangula californica subsp. tomentella | (formerly Rhamnus t.) | CNPS-EB: C | hoary coffeeberry |
| Heterotheca oregona var. scaberrima | CNPS-EB: A1 | Oregon goldenaster | |
| Hoita macrostachya | CNPS-EB: B | California hemp | |
| Juncus phaeocephalus var. unknown | CNPS-EB: A2? | brown-headed rush | |
| Mentha canadensis | CNPS-EB: B | American cornmint, Japanese peppermint | |
| Nicotiana attenuata | CNPS-EB: A1 | coyote tobacco | |
| Persicaria hydropiperoides | (formerly Polygonum h.) | CNPS-EB: A2 | false waterpepper, water-pepper |
| Persicaria punctata | (formerly Polygonum punctatum) | CNPS-EB: C | water smartweed |
| Plagiobothrys canescens var. canescens | CNPS-EB: C | valley popcornflower | |
| Populus trichocarpa | (formerly P. balsamifera var. | CNPS-EB: C | black cottonwood |
| Pseudognaphalium beneolens | (formerly Gnaphalium canescens | CNPS-EB: C | fragrant everlasting |
| Stipa lepida | CNPS-EB: C | foothill needlegrass | |
| Wyethia glabra | (W. helenioides is more common | CNPS-EB: C | mule ears |
| Alisma triviale | (formerly A. plantago-aquatica | CNPS-EB: C | water plantain |
| Bolboschoenus fluviatilis | (formerly Scirpus f.) | CNPS-EB: A1x | river bulrush |
| Carex senta | CNPS-EB: A1 | western rough sedge, rough sedge | |
| Clarkia gracilis subsp. gracilis | CNPS-EB: C | summer's darling | |
| Cucurbita foetidissima | CNPS-EB: A1 | buffalo gourd, calabazilla, calabazilla | |
| Equisetum laevigatum | CNPS-EB: A2 | smooth scouring rush | |
| Eriogonum luteolum var. luteolum | CNPS-EB: A2 | golden-carpet wild buckwheat, golden carpet | |
| Gilia achilleifolia subsp. unknown | CNPS-EB: C? | California gilia | |
| Gilia tricolor subsp. unknown | CNPS-EB: B? | birds-eye gilia | |
| Glycyrrhiza lepidota | CNPS-EB: C | wild licorice | |
| Gutierrezia californica | CNPS-EB: C | California matchweed | |
| Isolepis cernua | (formerly Scirpus cernuus) | CNPS-EB: C | low club-rush |
| Juncus articulatus subsp. articulatus | CNPS-EB: A1x | jointed rush | |
| Keckiella breviflora var. breviflora | CNPS-EB: A2 | gaping penstemon | |
| Layia chrysanthemoides | CNPS-EB: A2 | smooth layia | |
| Leptosiphon grandiflorus | (formerly Linanthus g.) | CNPS-EB: *A1x State CNPS: 4.2 Global Rank: G3G4 CNDDB Rank: S3S4 | large-flowered leptosiphon, large-flowered linanthus |
| Marah oregana | CNPS-EB: C | coast man-root | |
| Melica californica | CNPS-EB: C | California melic | |
| Nicotiana quadrivalvis | CNPS-EB: B | indian tobacco | |
| Phoradendron leucarpum subsp. macrophyllum | (formerly P. serotinum subsp. macrophyllum, P. macrophyllum) | CNPS-EB: C | big leaf mistletoe |
| Platanus racemosa | CNPS-EB: C | western sycamore, California sycamore | |
| Prunus ilicifolia subsp. ilicifolia | CNPS-EB: B | islay, holly-leafed cherry | |
| Psilocarphus brevissimus var. brevissimus | CNPS-EB: B | dwarf woollyheads, dwarf woolly-marbles | |
| Quercus berberidifolia | CNPS-EB: C | scrub oak | |
| Quercus lobata | CNPS-EB: B | valley oak, roble | |
| Rumex californicus | (formerly R. salicifolius var. dentatus) | CNPS-EB: C | willow dock |
| Scutellaria tuberosa | CNPS-EB: C | Dannie's skullcap | |
| Senecio flaccidus var. douglasii | CNPS-EB: A2 | Douglas' threadleaf ragwort, shrubby butterweed | |
| Stachys albens | CNPS-EB: B | white hedge nettle | |
| Stipa cernua | CNPS-EB: C | nodding needlegrass | |
| Stipa pulchra | CNPS-EB: C | purple needlegrass |