| Scientific Name | Notes | Rarity Ranks | Common Name |
|---|---|---|---|
| Echinodorus berteroi | CNPS-EB: A2 | burhead | |
| Eleocharis parishii | CNPS-EB: A1 | Dombey's spike-rush | |
| Eremothera boothii subsp. decorticans | (formerly Camissonia boothii subsp. decorticans) | CNPS-EB: A1 | shredding evening-primrose |
| Heterotheca oregona var. scaberrima | CNPS-EB: A1 | Oregon goldenaster | |
| Leptosiphon parviflorus | (formerly Linanthus p.) | CNPS-EB: A2 | small-flowered linanthus, small-flowered leptosiphon |
| Artemisia dracunculus | CNPS-EB: A2 | tarragon | |
| Balsamorhiza macrolepis | CNPS-EB: *A1 State CNPS: 1B.2 | big-scale balsamroot | |
| Cyperus odoratus | CNPS-EB: A1 | coarse cyperus | |
| Equisetum laevigatum | CNPS-EB: A2 | smooth scouring rush | |
| Eriogonum roseum | CNPS-EB: A2 | wand wild buckwheat, virgate buckwheat | |
| Eriophyllum jepsonii | CNPS-EB: *A2 State CNPS: 4.3 | Jepson's woolly sunflower | |
| Garrya congdonii | CNPS-EB: A1x | Congdon's silk-tassel | |
| Githopsis diffusa subsp. robusta | CNPS-EB: A2 | southern bluecup | |
| Hordeum jubatum subsp. jubatum | CNPS-EB: A2 | foxtail barley, squirreltail barley | |
| Isoetes howellii | CNPS-EB: A1 | Howell's quillwort | |
| Juncus dubius | CNPS-EB: A1x | mariposa rush, Mariposa rush | |
| Laennecia coulteri | (formerly Conyza c.) | CNPS-EB: A1 | Coulter's horseweed, Coulter's conyza |
| Lepidium oxycarpum | CNPS-EB: A2 | sharp-podded pepper-grass | |
| Lupinus luteolus | CNPS-EB: A1x | butter lupine | |
| Microseris acuminata | CNPS-EB: A1 | Sierra Foothills microseris | |
| Panicum capillare | CNPS-EB: A2 | witch grass | |
| Poa howellii | CNPS-EB: A2 | Howell's bluegrass | |
| Rumex salicifolius var. unknown | CNPS-EB: A2? | willow dock | |
| Trisetum canescens | CNPS-EB: A2 | tall trisetum | |
| Blepharizonia laxa | (formerly B. plumosa ssp. visc | CNPS-EB: B | big tarplant |
| Corethrogyne filaginifolia | (formerly Lessingia f. var. f. | CNPS-EB: C | California aster |
| Deinandra kelloggii | (formerly Hemizonia k.) | CNPS-EB: B | Kellogg's tarweed |
| Elymus multisetus | CNPS-EB: B-PV | big squirreltail | |
| Eriogonum luteolum var. luteolum | CNPS-EB: C | golden-carpet wild buckwheat, golden carpet | |
| Erythranthe cardinalis | (formerly Mimulus c.) | CNPS-EB: B-PV | scarlet monkeyflower |
| Erythranthe nasuta | CNPS-EB: C | shy monkeyflower | |
| Euphorbia serpillifolia subsp. serpillifolia | CNPS-EB: C | thyme-leaved spurge | |
| Festuca californica | CNPS-EB: B-PV | California fescue | |
| Festuca octoflora | CNPS-EB: B-PV | sixweeks grass, slender fescue | |
| Garrya elliptica | CNPS-EB: B-PV | silk tassel bush | |
| Gutierrezia californica | CNPS-EB: B-PV | California matchweed | |
| Helianthus californicus | CNPS-EB: C | California sunflower | |
| Hoita macrostachya | CNPS-EB: C | California hemp | |
| Holozonia filipes | CNPS-EB: B | whitecrown, holozonia | |
| Keckiella breviflora var. breviflora | CNPS-EB: B-PV | gaping penstemon | |
| Layia chrysanthemoides | CNPS-EB: B | smooth layia | |
| Layia platyglossa | CNPS-EB: B-PV | tidy-tips | |
| Malacothamnus fremontii var. fremontii | CNPS-EB: B-PV | white-coat mallow | |
| Mentha canadensis | CNPS-EB: B | American cornmint, Japanese peppermint | |
| Mentzelia lindleyi | CNPS-EB: B-PV | Lindley's blazing star | |
| Mimetanthe pilosa | (formerly Mimulus pilosus) | CNPS-EB: B | downy monkeyflower |
| Nicotiana quadrivalvis | CNPS-EB: B | indian tobacco | |
| Nuttallanthus texanus | CNPS-EB: B | blue toadflax | |
| Packera breweri | (formerly Senecio b.) | CNPS-EB: B-PV | Brewer's ragwort, Brewer's butterweed |
| Stipa pulchra | CNPS-EB: B-PV | purple needlegrass | |
| Tropidocarpum gracile | CNPS-EB: B-PV | slender tropidocarpum | |
| 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 |
| Agoseris retrorsa | CNPS-EB: B-PV | spear-leaved agoseris | |
| Allium unifolium | CNPS-EB: B-PV | one-leaved onion | |
| Amelanchier utahensis | CNPS-EB: C | Utah service-berry | |
| Anisocarpus madioides | (formerly Madia m.) | CNPS-EB: C | woodland tarweed, woodland madia |
| Camissoniopsis micrantha | CNPS-EB: B-PV | small primrose | |
| Carex barbarae | CNPS-EB: C | whiteroot sedge, Santa Barbara sedge, St. Barbara's sedge | |
| Cirsium brevistylum | CNPS-EB: B | indian thistle | |
| Collinsia sparsiflora var. sparsiflora | CNPS-EB: C | few-flowered blue-eyed Mary | |
| Eleocharis acicularis var. acicularis | CNPS-EB: B | needle spike-rush | |
| Ericameria arborescens | CNPS-EB: B-PV | golden-fleece | |
| Ericameria nauseosa var. mohavensis | CNPS-EB: B-PV | Mojave rabbitbrush, rubber rabbitbrush | |
| Holocarpha obconica | CNPS-EB: B | San Joaquin tarplant | |
| Koeleria macrantha | CNPS-EB: B-PV | june grass | |
| Marah oregana | CNPS-EB: B-PV | coast man-root | |
| Melica californica | CNPS-EB: B-PV | California melic | |
| Nemophila pedunculata | CNPS-EB: B | meadow nemophila | |
| Pinus coulteri | CNPS-EB: B-PV | Coulter pine | |
| Piperia elegans subsp. elegans | CNPS-EB: B-PV | coast piperia, elegant piperia | |
| Platanus racemosa | CNPS-EB: B-PV | western sycamore, California sycamore | |
| Prunus ilicifolia subsp. ilicifolia | CNPS-EB: B | islay, holly-leafed cherry | |
| Quercus berberidifolia | CNPS-EB: B | scrub oak | |
| Quercus garryana var. garryana | CNPS-EB: B | Oregon oak | |
| Quercus lobata | CNPS-EB: B-PV | valley oak, roble | |
| Rumex californicus | (formerly R. salicifolius var. dentatus) | CNPS-EB: B-PV | willow dock |
| Salix gooddingii | CNPS-EB: B | Goodding's black willow | |
| Stellaria nitens | CNPS-EB: B-PV | shining chickweed | |
| Stipa lepida | CNPS-EB: B-PV | foothill needlegrass | |
| Thysanocarpus laciniatus | CNPS-EB: C | lacepod | |
| Trifolium obtusiflorum | CNPS-EB: B-PV | clammy clover, creek clover | |
| Turritis glabra | CNPS-EB: B | tower mustard |