| Scientific Name | Notes | Rarity Ranks | Common Name |
|---|---|---|---|
| Aphyllon purpureum | CNPS-EB: C | naked broomrape | |
| Balsamorhiza deltoidea | CNPS-EB: B | deltoid balsamroot | |
| Blennosperma nanum var. nanum | CNPS-EB: C | blennosperma | |
| Crocanthemum scoparium var. vulgare | (formerly Helianthemum scoparium var. vulgare) | CNPS-EB: B | peak rush-rose |
| Eriophyllum jepsonii | CNPS-EB: *A2 State CNPS: 4.3 Global Rank: G3 CNDDB Rank: S3 | Jepson's woolly sunflower | |
| Gutierrezia californica | CNPS-EB: C | California matchweed | |
| Hesperolinon breweri | CNPS-EB: *A2 State CNPS: 1B.2 Global Rank: G2 CNDDB Rank: S2 | Brewer's western flax | |
| Heterotheca sessiliflora subsp. bolanderi | (H. s. ssp. echioides is more | CNPS-EB: C | Bolander goldenaster |
| Lasthenia glabrata subsp. glabrata | CNPS-EB: A2 | yellow-ray goldfields | |
| Leptosiphon ciliatus | (formerly Linanthus c.) | CNPS-EB: C | whisker brush |
| Malacothamnus fremontii var. fremontii | CNPS-EB: C | white-coat mallow | |
| Mentzelia affinis | CNPS-EB: B | hydra stick-leaf | |
| Microseris sylvatica | CNPS-EB: *A2 State CNPS: 4.2 Global Rank: G4 CNDDB Rank: S4 | sylvan microseris | |
| Navarretia atractyloides | CNPS-EB: A2 | holly-leaved navarretia | |
| Navarretia pubescens | CNPS-EB: C | downy navarretia | |
| Parietaria hespera var. californica | CNPS-EB: A1 | California pellitory | |
| Penstemon centranthifolius | CNPS-EB: B | scarlet bugler | |
| Phacelia tanacetifolia | CNPS-EB: B | tansy phacelia | |
| Pinus coulteri | CNPS-EB: B | Coulter pine | |
| Rhus aromatica | (formerly R. trilobata) | CNPS-EB: C | skunk bush, skunkbrush, squawbush |
| Ribes malvaceum var. malvaceum | CNPS-EB: C | chaparral currant | |
| Stipa cernua | CNPS-EB: C | nodding needlegrass | |
| Stipa lepida | CNPS-EB: C | foothill needlegrass | |
| Stipa pulchra | CNPS-EB: C | purple needlegrass | |
| Amsinckia tessellata var. tessellata | CNPS-EB: A1 | desert fiddleneck, devil's lettuce | |
| Arctostaphylos auriculata | CNPS-EB: *A2 State CNPS: 1B.3 Global Rank: G2 CNDDB Rank: S2 | Mount Diablo manzanita | |
| Arctostaphylos crustacea subsp. crustacea | CNPS-EB: C | brittleleaf manzanita | |
| Arctostaphylos glandulosa subsp. glandulosa | CNPS-EB: B | Eastwood manzanita | |
| Arctostaphylos manzanita subsp. manzanita | CNPS-EB: A2 | common manzanita | |
| Astragalus asymmetricus | CNPS-EB: C | San Joaquin locoweeed | |
| Camissoniopsis intermedia | CNPS-EB: C | small primrose | |
| Cryptantha microstachys | CNPS-EB: A2 | Tejon cryptantha | |
| Dendromecon rigida | CNPS-EB: A2 | bush poppy | |
| Festuca californica | CNPS-EB: C | California fescue | |
| Forestiera pubescens | CNPS-EB: B | desert olive | |
| Hesperolinon micranthum | CNPS-EB: A2 | small-flowered dwarf flax | |
| Lepidium acutidens | CNPS-EB: C | sharp-toothed pepper-grass | |
| Lepidium latipes | CNPS-EB: B | dwarf peppergrass | |
| Madia exigua | CNPS-EB: C | ||
| Pentachaeta alsinoides | CNPS-EB: C | tiny pentachaeta | |
| Plantago elongata | CNPS-EB: B | annual coast plantain | |
| Stellaria nitens | CNPS-EB: C | shining chickweed | |
| Trifolium olivaceum | CNPS-EB: C | olive clover | |
| Wyethia glabra | (W. helenioides is more common | CNPS-EB: C | mule ears |