| Scientific Name | Notes | Rarity Ranks | Common Name |
|---|---|---|---|
| Acanthomintha lanceolata | CNPS-EB: *A2 State CNPS: 4.2 Global Rank: G4 CNDDB Rank: S4 | Santa Clara thornmint | |
| 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 |
| Amaranthus californicus | CNPS-EB: B | Californian amaranth | |
| Ancistrocarphus filagineus | CNPS-EB: C | woolly fishhooks | |
| Androsace elongata subsp. acuta | CNPS-EB: *A2 State CNPS: 4.2 Global Rank: G5?T3T4 CNDDB Rank: S3S4 | California androsace | |
| Aphyllon purpureum | CNPS-EB: C | naked broomrape | |
| Apiastrum angustifolium | CNPS-EB: C | wild celery | |
| Arctostaphylos glauca | CNPS-EB: C | big-berried manzanita | |
| Astragalus asymmetricus | CNPS-EB: C | San Joaquin locoweeed | |
| Athysanus unilateralis | (formerly Heterodraba unilateralis) | CNPS-EB: A1 | heterodraba |
| Blepharizonia laxa | (formerly B. plumosa ssp. visc | CNPS-EB: B | big tarplant |
| Blepharizonia plumosa | CNPS-EB: *A2 State CNPS: 1B.1 Global Rank: G1G2 CNDDB Rank: S1S2 | big tarplant | |
| Brickellia californica | CNPS-EB: C | California brickellbush, California brickellia | |
| California macrophylla | (formerly Erodium macrophyllum | CNPS-EB: B | round-leaved filaree |
| Campanula exigua | CNPS-EB: *A2 State CNPS: 1B.2 Global Rank: G2 CNDDB Rank: S2 | chaparral harebell | |
| Caulanthus flavescens | CNPS-EB: A2 | yellow-flowered thelypodium | |
| Cirsium cymosum var. cymosum | CNPS-EB: C | peregrine thistle | |
| Clarkia breweri | CNPS-EB: *A1 State CNPS: 4.2 Global Rank: G4 CNDDB Rank: S4 | Brewer's clarkia | |
| Deinandra lobbii | (formerly Hemizonia l.) | CNPS-EB: C | three-rayed tarweed |
| Delphinium californicum subsp. interius | CNPS-EB: *A2 State CNPS: 1B.2 Global Rank: G3T3 CNDDB Rank: S3 | Hospital Canyon larkspur | |
| Delphinium parryi subsp. parryi | CNPS-EB: A2 | Parry's larkspur | |
| Delphinium variegatum subsp. variegatum | CNPS-EB: C | royal larkspur | |
| Dudleya cymosa subsp. paniculata | CNPS-EB: C | spreading dudleya | |
| Elatine californica | CNPS-EB: A2 | waterwort | |
| Epilobium cleistogamum | CNPS-EB: A1 | cleistogamous boisduvalia | |
| Eremalche exilis | CNPS-EB: A1 | WHITE MALLOW | |
| Eremalche parryi subsp. parryi | CNPS-EB: A1 | Parry's mallow | |
| Eriogonum angulosum | CNPS-EB: B | angle-stem wild buckwheat, angle-stemmed eriogonum | |
| Eriogonum fasciculatum var. polifolium | CNPS-EB: A2 | Mojave desert California buckwheat, California buckwheat | |
| 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 | |
| Eriophyllum jepsonii | CNPS-EB: *A2 State CNPS: 4.3 Global Rank: G3 CNDDB Rank: S3 | Jepson's woolly sunflower | |
| Erythranthe nasuta | CNPS-EB: A2 | shy monkeyflower | |
| Euphorbia serpillifolia subsp. serpillifolia | CNPS-EB: C | thyme-leaved spurge | |
| Forestiera pubescens | CNPS-EB: B | desert olive | |
| Fritillaria agrestis | CNPS-EB: *A2 State CNPS: 4.2 Global Rank: G3 CNDDB Rank: S3 | stinkbells | |
| Galium andrewsii subsp. gatense | CNPS-EB: *A2 State CNPS: 4.2 Global Rank: G5T3 CNDDB Rank: S3 | phlox-leaf serpentine bedstraw, serpentine bedstraw | |
| Gilia capitata subsp. staminea | CNPS-EB: C | blue field gilia | |
| Gruvelia pusilla | (formerly Pectocarya pusilla) | CNPS-EB: B | little pectocarya |
| 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 | |
| Hesperolinon californicum | CNPS-EB: B | California dwarf flax | |
| Hesperolinon disjunctum | CNPS-EB: A1 | dwarf flax | |
| Holozonia filipes | CNPS-EB: A2 | whitecrown, holozonia | |
| Juniperus californica | CNPS-EB: C | California juniper | |
| Lasthenia microglossa | CNPS-EB: A2 | small-ray goldfields | |
| Lepidium dictyotum | CNPS-EB: B | alkali pepper-grass | |
| Leptosiphon androsaceus | (formerly Linanthus a.) | CNPS-EB: C | common linanthus, common leptosiphon |
| Lithophragma parviflorum var. parviflorum | CNPS-EB: B | prairie star | |
| Malacothamnus fremontii | CNPS-EB: C | white-coat mallow | |
| Melica californica | CNPS-EB: C | California melic | |
| Mentzelia micrantha | CNPS-EB: A2 | small-flowered stick-leaf | |
| Monolopia major | CNPS-EB: B | cupped monolopia | |
| Montia fontana | CNPS-EB: C | water chickweed, blinks, water chickweed | |
| Navarretia mellita | CNPS-EB: C | honey-scented navarretia | |
| Nuttallanthus texanus | CNPS-EB: A2 | blue toadflax | |
| Packera breweri | (formerly Senecio b.) | CNPS-EB: C | Brewer's ragwort, Brewer's butterweed |
| Perideridia californica | CNPS-EB: C | California yampah | |
| Perideridia oregana | CNPS-EB: A2 | yampah | |
| Piperia michaelii | CNPS-EB: *A2 State CNPS: 4.2 Global Rank: G3 CNDDB Rank: S3 | Michael's rein-orchid | |
| Plagiobothrys trachycarpus | CNPS-EB: C | rough-nutlet popcornflower, rough-fruited allocarya | |
| Platanus racemosa | CNPS-EB: C | western sycamore, California sycamore | |
| Quercus lobata | CNPS-EB: B | valley oak, roble | |
| Ranunculus canus var. canus | CNPS-EB: C | Sacramento Valley buttercup | |
| Ribes aureum var. gracillimum | CNPS-EB: A2 | golden currant | |
| Ribes malvaceum var. malvaceum | CNPS-EB: C | chaparral currant | |
| Ribes quercetorum | CNPS-EB: A2 | oakwoods gooseberry, oak gooseberry | |
| Rumex californicus | (formerly R. salicifolius var. dentatus) | CNPS-EB: C | willow dock |
| Scutellaria tuberosa | CNPS-EB: C | Dannie's skullcap | |
| Silene antirrhina | CNPS-EB: A1 | sleepy catchfly, snapdragon catchfly | |
| Stebbinsoseris heterocarpa | CNPS-EB: C | grassland silverpuffs, derived microseris | |
| Stipa lepida | CNPS-EB: C | foothill needlegrass | |
| Stipa pulchra | CNPS-EB: C | purple needlegrass | |
| Trifolium depauperatum var. depauperatum | (vars. amplectens and truncatu | CNPS-EB: B | dwarf sack clover |
| Trifolium oliganthum | CNPS-EB: C | few-flowered clover | |
| Tropidocarpum gracile | CNPS-EB: B | slender tropidocarpum | |
| Amsinckia vernicosa | CNPS-EB: A1 | waxy fiddleneck, forked fiddleneck | |
| Astragalus didymocarpus var. didymocarpus | (A. gambelianus is more common | CNPS-EB: A1 | two-seeded milkvetch |
| Atriplex fruticulosa | CNPS-EB: B | ballscale, little oak orach, ball saltbush | |
| Lasthenia minor | CNPS-EB: A1 | coastal goldfields, woolly goldfields | |
| Mentzelia pectinata | (historical-1935) | CNPS-EB: A1x | San Joaquin blazing star |
| Myriopteris intertexta | CNPS-EB: B | coastal lip fern | |
| Parietaria hespera var. californica | CNPS-EB: A1 | California pellitory | |
| Senecio aphanactis | CNPS-EB: *A1x State CNPS: 2B.2 Global Rank: G3 CNDDB Rank: S2 | chaparral ragwort, rayless ragwort |