| 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 | dwarf brodiaea |
| Cirsium cymosum var. cymosum | | CNPS-EB: C | 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: C | annual hair grass |
| Elymus elymoides var. elymoides | | CNPS-EB: B | squirreltail |
| Elymus multisetus | | CNPS-EB: C | big squirreltail |
| Elymus trachycaulus subsp. trachycaulus | | CNPS-EB: A1 | slender wheat grass |
| Ericameria arborescens | | CNPS-EB: B | golden-fleece |
| Gilia tricolor subsp. diffusa | | CNPS-EB: B | birds-eye gilia |
| Gutierrezia californica | | CNPS-EB: C | 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: C | june grass |
| Lathyrus jepsonii var. californicus | | CNPS-EB: B | buff pea |
| Leptosiphon parviflorus | (formerly Linanthus p.) | CNPS-EB: B | small-flowered linanthus, small-flowered leptosiphon |
| Lithophragma parviflorum var. parviflorum | | CNPS-EB: B | prairie star |
| Marah oregana | | CNPS-EB: C | coast man-root |
| Melica californica | | CNPS-EB: C | California melic |
| Montia fontana | | CNPS-EB: C | 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: C | 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: B | 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: C | shining chickweed |
| Stipa cernua | | CNPS-EB: C | nodding needlegrass |
| Stipa lepida | | CNPS-EB: C | foothill needlegrass |
| Stipa pulchra | | CNPS-EB: C | purple needlegrass |
| Trifolium fucatum | | CNPS-EB: C | 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 |