| Scientific Name | Notes | Rarity Ranks | Common Name |
|---|---|---|---|
| Agoseris heterophylla var. unknown | Agoseris heterophylla split into 2 vars. in 2011 Jepson Manual, need field work to resolve vars. | CNPS-EB: B? | annual agoseris |
| Amsinckia lycopsoides | CNPS-EB: C | bugloss-flowered fiddleneck, bugloss fiddleneck | |
| Aphyllon purpureum | CNPS-EB: C | naked broomrape | |
| Astragalus asymmetricus | CNPS-EB: C | San Joaquin locoweeed | |
| Blennosperma nanum var. nanum | CNPS-EB: C | blennosperma | |
| Brodiaea terrestris subsp. terrestris | CNPS-EB: B-PV | dwarf brodiaea | |
| Cirsium cymosum var. cymosum | CNPS-EB: B-PV | peregrine thistle | |
| Clarkia gracilis subsp. gracilis | CNPS-EB: C | summer's darling | |
| Claytonia exigua subsp. exigua | CNPS-EB: C | common montia | |
| Collinsia sparsiflora var. sparsiflora | CNPS-EB: C | few-flowered blue-eyed Mary | |
| Deschampsia danthonioides | CNPS-EB: B-PV | annual hair grass | |
| Elymus elymoides var. elymoides | CNPS-EB: B | squirreltail | |
| Elymus multisetus | CNPS-EB: B-PV | big squirreltail | |
| Elymus trachycaulus subsp. trachycaulus | CNPS-EB: A1 | slender wheat grass | |
| Ericameria arborescens | CNPS-EB: B-PV | golden-fleece | |
| Gilia tricolor subsp. diffusa | CNPS-EB: C | birds-eye gilia | |
| Gutierrezia californica | CNPS-EB: B-PV | California matchweed | |
| Heterotheca sessiliflora subsp. bolanderi | (H. s. ssp. echioides is more | CNPS-EB: C | Bolander goldenaster |
| Horkelia californica var. frondosa | CNPS-EB: B | leafy horkelia | |
| Koeleria macrantha | CNPS-EB: B-PV | june grass | |
| Lathyrus jepsonii var. californicus | CNPS-EB: B | buff pea | |
| Leptosiphon parviflorus | (formerly Linanthus p.) | CNPS-EB: A2 | small-flowered linanthus, small-flowered leptosiphon |
| Lithophragma parviflorum var. parviflorum | CNPS-EB: B-PV | prairie star | |
| Marah oregana | CNPS-EB: B | coast man-root | |
| Melica californica | CNPS-EB: B-PV | California melic | |
| Montia fontana | CNPS-EB: B-PV | water chickweed, blinks, water chickweed | |
| Nemophila parviflora var. parviflora | CNPS-EB: B | small-flowered nemophila | |
| Nemophila pedunculata | CNPS-EB: B | meadow nemophila | |
| Packera breweri | (formerly Senecio b.) | CNPS-EB: B-PV | Brewer's ragwort, Brewer's butterweed |
| Phoradendron leucarpum subsp. macrophyllum | (formerly P. serotinum subsp. macrophyllum, P. macrophyllum) | CNPS-EB: C | big leaf mistletoe |
| Plagiobothrys canescens var. canescens | CNPS-EB: C | valley popcornflower | |
| Plagiobothrys fulvus var. campestris | CNPS-EB: B | field popcornflower, fulvous popcornflower | |
| Plagiobothrys stipitatus var. stipitatus | (var. micranthus is more commo | CNPS-EB: C | showy great valley popcornflower, stipitate allocarya |
| Plagiobothrys trachycarpus | CNPS-EB: C | rough-nutlet popcornflower, rough-fruited allocarya | |
| Quercus lobata | CNPS-EB: C | valley oak, roble | |
| Ranunculus canus var. canus | CNPS-EB: C | Sacramento Valley buttercup | |
| Rumex transitorius | CNPS-EB: B | willow dock | |
| Sabulina californica | (formerly Minuartia californica) | CNPS-EB: A1 | California sandwort |
| Stachys albens | CNPS-EB: B | white hedge nettle | |
| Stellaria nitens | CNPS-EB: B-PV | shining chickweed | |
| 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 | |
| Trifolium obtusiflorum | CNPS-EB: B | clammy clover, creek clover | |
| Trifolium oliganthum | CNPS-EB: C | few-flowered clover | |
| Wyethia glabra | (W. helenioides is more common | CNPS-EB: C | mule ears |