| Scientific Name | Notes | Rarity Ranks | Common Name |
|---|---|---|---|
| Eryngium jepsonii | CNPS-EB: *A2 State CNPS: 1B.2 | ||
| Galium andrewsii subsp. gatense | CNPS-EB: *A2 State CNPS: 4.2 | phlox-leaf serpentine bedstraw, serpentine bedstraw | |
| Hesperolinon breweri | CNPS-EB: *A2 State CNPS: 1B.2 | Brewer's western flax | |
| Poa howellii | CNPS-EB: A2 | Howell's bluegrass | |
| Pogogyne zizyphoroides | CNPS-EB: A2 | Sacramento beardstyle | |
| Triodanis biflora | CNPS-EB: A2 | Venus' looking-glass | |
| Arctostaphylos manzanita subsp. manzanita | CNPS-EB: A2 | common manzanita | |
| Calochortus pulchellus | CNPS-EB: *A2 State CNPS: 1B.2 | Mount Diablo fairy-lantern | |
| Delphinium parryi subsp. parryi | CNPS-EB: A2 | Parry's larkspur | |
| Helianthella castanea | CNPS-EB: *A2 State CNPS: 1B.2 | Diablo helianthella | |
| Piperia michaelii | CNPS-EB: *A2 State CNPS: 4.2 | Michael's rein-orchid | |
| Thysanocarpus radians | CNPS-EB: A1 | ribbed fringe pod | |
| Allium unifolium | CNPS-EB: B-PV | one-leaved onion | |
| Deinandra kelloggii | (formerly Hemizonia k.) | CNPS-EB: B | Kellogg's tarweed |
| Delphinium hansenii subsp. hansenii | CNPS-EB: B | Hansen's larkspur | |
| Ericameria nauseosa var. mohavensis | CNPS-EB: B-PV | Mojave rabbitbrush, rubber rabbitbrush | |
| Euphorbia serpillifolia subsp. serpillifolia | CNPS-EB: C | thyme-leaved spurge | |
| Forestiera pubescens | CNPS-EB: B-PV | desert olive | |
| Gutierrezia californica | CNPS-EB: B-PV | California matchweed | |
| Holocarpha obconica | CNPS-EB: B | San Joaquin tarplant | |
| Lasthenia microglossa | CNPS-EB: B | small-ray goldfields | |
| Lepidium latipes | CNPS-EB: B-PV | dwarf peppergrass | |
| Leptosiphon ciliatus | (formerly Linanthus c.) | CNPS-EB: B-PV | whisker brush |
| Malacothamnus fremontii var. fremontii | CNPS-EB: B-PV | white-coat mallow | |
| Montia fontana | CNPS-EB: B-PV | water chickweed, blinks, water chickweed | |
| Plagiobothrys acanthocarpus | CNPS-EB: B-PV | adobe popcornflower, adobe allocarya | |
| Plagiobothrys trachycarpus | CNPS-EB: C | rough-nutlet popcornflower, rough-fruited allocarya | |
| Platanus racemosa | CNPS-EB: B-PV | western sycamore, California sycamore | |
| Ranunculus canus var. canus | CNPS-EB: C | Sacramento Valley buttercup | |
| Ribes quercetorum | CNPS-EB: B | oakwoods gooseberry, oak gooseberry | |
| Silene laciniata subsp. californica | (formerly Silene c.) | CNPS-EB: C | Indian pink, California pink, California Indian pink |
| Tropidocarpum gracile | CNPS-EB: B-PV | slender tropidocarpum | |
| Vicia hassei | CNPS-EB: B | slender vetch | |
| Delphinium hesperium subsp. hesperium | CNPS-EB: B | western larkspur | |
| Dudleya cymosa subsp. paniculata | CNPS-EB: B-PV | spreading dudleya | |
| Layia platyglossa | CNPS-EB: B-PV | tidy-tips | |
| Lythrum californicum | CNPS-EB: B | California loosestrife | |
| Penstemon heterophyllus var. heterophyllus | CNPS-EB: B-PV | chaparral penstemon | |
| Quercus berberidifolia | CNPS-EB: B | scrub oak | |
| Quercus lobata | CNPS-EB: B-PV | valley oak, roble | |
| Ribes divaricatum var. pubiflorum | CNPS-EB: C | straggle bush, straggly gooseberry | |
| Stipa pulchra | CNPS-EB: B-PV | purple needlegrass |