| Scientific Name | Notes | Rarity Ranks | Common Name |
|---|---|---|---|
| Blepharizonia plumosa | CNPS-EB: *A2 State CNPS: 1B.1 | big tarplant | |
| Convolvulus simulans | CNPS-EB: *A2 State CNPS: 4.2 | small-flowered morning-glory | |
| Downingia insignis | CNPS-EB: A1 | cupped downingia | |
| Eryngium aristulatum var. aristulatum | CNPS-EB: A2 | ||
| Microseris douglasii subsp. tenella | (subsp douglasii is more common) | CNPS-EB: A2 | silver puffs |
| Navarretia nigelliformis subsp. radians | CNPS-EB: *A2 State CNPS: 1B.2 | shining navarretia | |
| Atriplex coronata var. coronata | CNPS-EB: *A2 State CNPS: 4.2 | crownscale | |
| Cicendia quadrangularis | CNPS-EB: A2 | timwort | |
| Descurainia pinnata subsp. brachycarpa | CNPS-EB: A1x | tansy mustard | |
| Galium andrewsii subsp. gatense | CNPS-EB: *A2 State CNPS: 4.2 | phlox-leaf serpentine bedstraw, serpentine bedstraw | |
| Hesperevax acaulis var. ambusticola | (H. sparsiflora is more common | CNPS-EB: A1 | fire evax |
| Hesperevax caulescens | (H. sparsiflora is more common | CNPS-EB: *A2 State CNPS: 4.2 | hogwallow starfish |
| Lepidium oxycarpum | CNPS-EB: A2 | sharp-podded pepper-grass | |
| Leptosiphon parviflorus | (formerly Linanthus p.) | CNPS-EB: A2 | small-flowered linanthus, small-flowered leptosiphon |
| Microseris acuminata | CNPS-EB: A1 | Sierra Foothills microseris | |
| Microseris campestris | CNPS-EB: A2 | San Joaquin microseris | |
| Microseris elegans | CNPS-EB: A1 | elegant microseris | |
| Navarretia atractyloides | CNPS-EB: A2 | holly-leaved navarretia | |
| Pilularia americana | CNPS-EB: A1 | pillwort | |
| Deinandra kelloggii | (formerly Hemizonia k.) | CNPS-EB: B | Kellogg's tarweed |
| Gilia capitata subsp. staminea | CNPS-EB: B-PV | blue field gilia | |
| Lepidium latipes | CNPS-EB: B-PV | dwarf peppergrass | |
| Phacelia ciliata | CNPS-EB: B | Great Valley phacelia, Great Valley phacelia | |
| Atriplex argentea var. expansa | CNPS-EB: C | silverscale | |
| Bolboschoenus maritimus subsp. paludosus | (formerly Scirpus m.) | CNPS-EB: C | bulrush |
| California macrophylla | (formerly Erodium macrophyllum | CNPS-EB: B-PV | round-leaved filaree |
| Collinsia sparsiflora var. sparsiflora | CNPS-EB: C | few-flowered blue-eyed Mary | |
| Eriogonum angulosum | CNPS-EB: B | angle-stem wild buckwheat, angle-stemmed eriogonum | |
| Eriophyllum lanatum var. achilleoides | CNPS-EB: C | woolly sunflower | |
| Githopsis specularioides | CNPS-EB: B-PV | common bluecup | |
| Gutierrezia californica | CNPS-EB: B-PV | California matchweed | |
| Holocarpha obconica | CNPS-EB: B | San Joaquin tarplant | |
| Lepidium acutidens | CNPS-EB: C | sharp-toothed pepper-grass | |
| Leptosiphon ciliatus | (formerly Linanthus c.) | CNPS-EB: B-PV | whisker brush |
| Malacothamnus fremontii var. fremontii | CNPS-EB: B-PV | white-coat mallow | |
| Nuttallanthus texanus | CNPS-EB: B | blue toadflax | |
| Packera breweri | (formerly Senecio b.) | CNPS-EB: B-PV | Brewer's ragwort, Brewer's butterweed |
| Plagiobothrys acanthocarpus | CNPS-EB: B-PV | adobe popcornflower, adobe allocarya | |
| Plagiobothrys fulvus var. campestris | CNPS-EB: B | field popcornflower, fulvous popcornflower | |
| Plagiobothrys stipitatus var. stipitatus | (var. micranthus is more commo | CNPS-EB: B | showy great valley popcornflower, stipitate allocarya |
| Plagiobothrys trachycarpus | CNPS-EB: C | rough-nutlet popcornflower, rough-fruited allocarya | |
| Plantago elongata | CNPS-EB: B-PV | annual coast plantain | |
| Psilocarphus brevissimus var. brevissimus | CNPS-EB: B | dwarf woollyheads, dwarf woolly-marbles | |
| Psilocarphus oregonus | CNPS-EB: B | Oregon woollyheads, Oregon woolly-marbles | |
| Quercus lobata | CNPS-EB: B-PV | valley oak, roble | |
| Rhus aromatica | (formerly R. trilobata) | CNPS-EB: B-PV | skunk bush, skunkbrush, squawbush |
| Sagina decumbens subsp. occidentalis | (S. apetala is more common) | CNPS-EB: B | western pearlwort |
| Stipa pulchra | CNPS-EB: B-PV | purple needlegrass | |
| Thysanocarpus laciniatus | CNPS-EB: C | lacepod | |
| Trifolium columbinum | CNPS-EB: C | olive clover | |
| Trifolium depauperatum var. depauperatum | (vars. amplectens and truncatu | CNPS-EB: C | dwarf sack clover |