| Acaena californica | (formerly A. pinnatifida var. californica) | C | California acaena |
| Acmispon strigosus | | B | strigose trefoil |
| Agoseris heterophylla var. cryptopleura | | B | |
| Agoseris heterophylla var. heterophylla | | C | |
| Agoseris heterophylla var. unknown | Agoseris heterophylla split into 2 vars. in 2011 Jepson Manual, need field work to resolve vars. | B? | annual agoseris |
| Alisma triviale | (formerly A. plantago-aquatica | C | water plantain |
| Allenrolfea occidentalis | | C | iodine bush |
| Allophyllum divaricatum | | C | straggling gilia |
| Allophyllum gilioides subsp. violaceum | (ssp. gilioides is more common | B | straggling gilia |
| Alopecurus saccatus | | B | Howell's meadow foxtail |
| Amaranthus blitoides | | C | procumbent pigweed, prostrate amaranth |
| Amaranthus californicus | | B | Californian amaranth |
| Ambrosia chamissonis | | C | beach bur-sage, beach-bur |
| Amelanchier utahensis | | C | Utah service-berry |
| Amsinckia lycopsoides | | C | bugloss-flowered fiddleneck, bugloss fiddleneck |
| Ancistrocarphus filagineus | | C | woolly fishhooks |
| Anemopsis californica | | B | yerba mansa, lizard tail |
| Anisocarpus madioides | (formerly Madia m.) | B | woodland tarweed, woodland madia |
| Aphyllon purpureum | | C | naked broomrape |
| Aphyllon tuberosum | | C | bulbous broom-rape |
| Aphyllon vallicola | | B | California broom-rape |
| Apiastrum angustifolium | | C | wild celery |
| Apocynum cannabinum | | B | dogbane, Indian-hemp |
| Aralia californica | | C | elk clover |
| Arbutus menziesii | | B | Pacific madrone |
| Arctostaphylos crustacea subsp. crustacea | | C | brittleleaf manzanita |
| Arctostaphylos glandulosa subsp. glandulosa | | B | Eastwood manzanita |
| Arctostaphylos glauca | | C | big-berried manzanita |
| Arnica discoidea | | B | rayless arnica |
| Asarum caudatum | | B | wild-ginger |
| Asclepias speciosa | (A. californica is more common | B | showy milkweed, milkweed |
| Astragalus asymmetricus | | C | San Joaquin locoweeed |
| Atriplex argentea var. expansa | | B | silverscale |
| Atriplex fruticulosa | | B | ballscale, little oak orach, ball saltbush |
| Atriplex leucophylla | | B | beach saltbush |
| Balsamorhiza deltoidea | | B | deltoid balsamroot |
| Berula erecta | | C | cutleaf water-parsnip |
| Bidens frondosa | | B | sticktight |
| Blennosperma nanum var. nanum | | C | blennosperma |
| Blepharizonia laxa | (formerly B. plumosa ssp. visc | B | big tarplant |
| Boechera breweri subsp. breweri | (formerly Arabis breweri) | B | Brewer's rockcress |
| Bolboschoenus maritimus subsp. paludosus | (formerly Scirpus m.) | C | bulrush |
| Brickellia californica | | C | California brickellbush, California brickellia |
| Brodiaea terrestris subsp. terrestris | | B | dwarf brodiaea |
| Calamagrostis rubescens | | B | pine reed grass, pine grass |
| California macrophylla | (formerly Erodium macrophyllum | B | round-leaved filaree |
| Calystegia sepium subsp. limnophila | | B | hedge bindweed |
| Camissonia contorta | | C | contorted primrose |
| Camissoniopsis hirtella | | B | small primrose |
| Camissoniopsis intermedia | | C | small primrose |
| Camissoniopsis micrantha | | C | small primrose |
| Carex barbarae | | C | whiteroot sedge, Santa Barbara sedge, St. Barbara's sedge |
| Carex densa | | B | dense sedge |
| Carex globosa | | B | round-fruited sedge |
| Carex harfordii | | B | Harford's sedge, Monterey sedge |
| Carex nebrascensis | | B | Nebraska sedge |
| Carex nudata | | B | torrent sedge |
| Carex obnupta | | B | slough sedge |
| Carex praegracilis | | C | black creeper sedge, freeway sedge, deer-bed sedge |
| Carex serratodens | | C | saw-toothed sedge, bifid sedge |
| Carex subbracteata | | B | small-bracted sedge |
| Castilleja rubicundula subsp. lithospermoides | | B | cream sacs |
| Castilleja wightii | | B | Wight's indian paintbrush |
| Ceanothus thyrsiflorus var. thyrsiflorus | | B | blue blossom, California lilac |
| Cirsium brevistylum | | B | indian thistle |
| Cirsium cymosum var. cymosum | | C | peregrine thistle |
| Clarkia concinna subsp. concinna | | C | large godetia |
| Clarkia gracilis subsp. gracilis | | C | summer's darling |
| Claytonia exigua subsp. exigua | | C | common montia |
| Claytonia gypsophiloides | | B | coast range montia |
| Clematis ligusticifolia | | C | western virgin's bower, virgin's bower |
| Collinsia parviflora | | B | blue-eyed Mary |
| Collinsia sparsiflora var. sparsiflora | | C | few-flowered blue-eyed Mary |
| Collinsia sparsiflora var. unknown | | C? | few-flowered blue-eyed Mary |
| Cordylanthus pilosus subsp. pilosus | | B | hairy bird's-beak |
| Corethrogyne filaginifolia | (formerly Lessingia f. var. f. | C | California aster |
| Cornus sericea subsp. occidentalis | | C | western dogwood |
| Cornus sericea subsp. sericea | | C | American dogwood |
| Cornus sericea subsp. unknown | | C? | American dogwood |
| Crassula aquatica | | B | water pygmy-weed |
| Crocanthemum scoparium var. vulgare | (formerly Helianthemum scoparium var. vulgare) | B | peak rush-rose |
| Cryptantha clevelandii var. florosa | | B | Cleveland's cryptantha |
| Cryptantha torreyana var. pumila | | B | Torrey's cryptantha |
| Cuscuta pacifica var. pacifica | (formerly C. salina var. major) | C | salt-marsh dodder |
| Cuscuta subinclusa | | C | canyon dodder |
| Cyperus erythrorhizos | | B | red-rooted cyperus |
| Danthonia californica | | C | California oat grass |
| Datisca glomerata | | C | durango root |
| Deinandra lobbii | (formerly Hemizonia l.) | C | three-rayed tarweed |
| Delphinium californicum subsp. californicum | | B | coast larkspur, California larkspur |
| Delphinium hesperium subsp. hesperium | | B | western larkspur |
| Delphinium nudicaule | | C | red larkspur, orange larkspur |
| Delphinium variegatum subsp. variegatum | | C | royal larkspur |
| Deschampsia cespitosa subsp. cespitosa | | C | tufted hairgrass |
| Deschampsia cespitosa subsp. holciformis | | B | tufted hairgrass |
| Deschampsia danthonioides | | C | annual hair grass |
| Deschampsia elongata | | C | slender hair grass |
| Downingia pulchella | | B | flat-faced downingia |
| Dudleya cymosa subsp. paniculata | | B | spreading dudleya |
| Ehrendorferia chrysantha | (formerly Dicentra chrysantha) | B | golden ear-drops |
| Eleocharis acicularis var. acicularis | | B | needle spike-rush |
| Elymus elymoides var. elymoides | | B | squirreltail |
| Elymus multisetus | | C | big squirreltail |
| Elymus xhansenii | | B | Hansen squirreltail |
| Epilobium campestre | | B | smooth boisduvalia |
| Ericameria arborescens | | B | golden-fleece |
| Erigeron petrophilus var. petrophilus | | B | rock daisy |
| Erigeron philadelphicus var. philadelphicus | | C | fleabane |
| Eriogonum angulosum | | B | angle-stem wild buckwheat, angle-stemmed eriogonum |
| Eriogonum gracile var. gracile | | C | slender woolly wild buckwheat, slender buckwheat |
| Eriogonum wrightii var. trachygonum | | C | rough-node bastard-sage, Wright's eriogonum |
| Eriophyllum lanatum var. achilleoides | | C | woolly sunflower |
| Erythranthe nasuta | | B | shy monkeyflower |
| Euphorbia ocellata subsp. ocellata | | B | valley spurge |
| Euphorbia serpillifolia subsp. serpillifolia | | C | thyme-leaved spurge |
| Festuca californica | | C | California fescue |
| Festuca idahoensis | | C | Idaho fescue, blue bunchgrass |
| Festuca rubra | | C | red fescue |
| Forestiera pubescens | | B | desert olive |
| Frangula californica subsp. tomentella | (formerly Rhamnus t.) | B | hoary coffeeberry |
| Fraxinus dipetala | | B | California ash, flowering ash |
| Fraxinus latifolia | | B | Oregon ash |
| Galium triflorum | | C | sweet-scented bedstraw |
| Garrya elliptica | | B | silk tassel bush |
| Gilia capitata subsp. staminea | | C | blue field gilia |
| Gilia tricolor subsp. diffusa | | C | birds-eye gilia |
| Gilia tricolor subsp. unknown | | B? | birds-eye gilia |
| Githopsis specularioides | | B | common bluecup |
| Glycyrrhiza lepidota | | C | wild licorice |
| Gruvelia pusilla | (formerly Pectocarya pusilla) | B | little pectocarya |
| Gutierrezia californica | | C | California matchweed |
| Helianthus californicus | | C | California sunflower |
| Helianthus gracilentus | | B | slender sunflower |
| Hemizonia congesta subsp. lutescens | | B | hayfield tarweed |
| Hesperolinon californicum | | C | California dwarf flax |
| Heterotheca sessiliflora subsp. bolanderi | (H. s. ssp. echioides is more | C | Bolander goldenaster |
| Hieracium albiflorum | | C | white hawkweed |
| Hoita macrostachya | | B | California hemp |
| Holocarpha obconica | | B | San Joaquin tarplant |
| Hordeum depressum | | B | low barley, alkali barley |
| Horkelia californica var. frondosa | | B | leafy horkelia |
| Hydrocotyle verticillata | | B | whorled marsh pennywort |
| Iris douglasiana | | B | Douglas iris |
| Isolepis cernua | (formerly Scirpus cernuus) | C | low club-rush |
| Juncus mexicanus | | C | Mexican rush |
| Juncus phaeocephalus var. paniculatus | | B | panicled rush, brown-headed rush |
| Juncus phaeocephalus var. phaeocephalus | | B | brownheaded rush |
| Juniperus californica | | C | California juniper |
| Keckiella corymbosa | | C | redwood penstemon |
| Koeleria macrantha | | C | june grass |
| Lasthenia glaberrima | | B | smooth goldfields |
| Lathyrus jepsonii var. californicus | | B | buff pea |
| Layia hieracioides | | C | tall layia |
| Layia platyglossa | | B | tidy-tips |
| Lepechinia calycina | | C | pitcher sage |
| Lepidium acutidens | | C | sharp-toothed pepper-grass |
| Lepidium dictyotum | | B | alkali pepper-grass |
| Lepidium latipes | | B | dwarf peppergrass |
| Leptosiphon androsaceus | (formerly Linanthus a.) | C | common linanthus, common leptosiphon |
| Leptosiphon ciliatus | (formerly Linanthus c.) | C | whisker brush |
| Leptosiphon parviflorus | (formerly Linanthus p.) | B | small-flowered linanthus, small-flowered leptosiphon |
| Leptosiphon pygmaeus subsp. continentalis | (formerly Linanthus p. ssp. c. | B | pygmy linanthus, pygmy leptosiphon |
| Limonium californicum | | C | western marsh-rosemary, sea-lavender, ma |
| Lithophragma parviflorum var. parviflorum | | B | prairie star |
| Lomatium caruifolium var. caruifolium | | B | caraway-leaved lomatium |
| Lupinus pachylobus | | B | big pod lupine |
| Lythrum californicum | | B | California loosestrife |
| Madia exigua | | C | |
| Malacothamnus fremontii var. fremontii | | C | white-coat mallow |
| Malacothrix floccifera | | C | woolly malacothrix |
| Marah oregana | | B | coast man-root |
| Melica californica | | C | California melic |
| Mentha canadensis | | B | American cornmint, Japanese peppermint |
| Mentzelia affinis | | B | hydra stick-leaf |
| Mentzelia lindleyi | | B | Lindley's blazing star |
| Mimetanthe pilosa | (formerly Mimulus pilosus) | B | downy monkeyflower |
| Monolopia major | | B | cupped monolopia |
| Montia fontana | | C | water chickweed, blinks, water chickweed |
| Morella californica | (formerly Myrica c.) | B | wax myrtle |
| Muilla maritima | | B | common muilla |
| Myosurus minimus subsp. minimus | | C | common mouse-tail |
| Myriopteris covillei | | C | Coville's lip fern |
| Myriopteris intertexta | | B | coastal lip fern |
| Navarretia mellita | | C | honey-scented navarretia |
| Navarretia pubescens | | C | downy navarretia |
| Nemophila parviflora var. parviflora | | B | small-flowered nemophila |
| Nemophila pedunculata | | B | meadow nemophila |
| Nicotiana quadrivalvis | | B | indian tobacco |
| Oenothera elata subsp. hookeri | | C | evening-primrose |
| Osmorhiza brachypoda | | C | California cicely |
| Oxalis pilosa | (formerly O. albicans ssp. p.) | B | hairy wood-sorrel |
| Packera breweri | (formerly Senecio b.) | C | Brewer's ragwort, Brewer's butterweed |
| Papaver californicum | | B | fire poppy |
| Penstemon centranthifolius | | B | scarlet bugler |
| Penstemon heterophyllus var. heterophyllus | | B | chaparral penstemon |
| Pentachaeta alsinoides | | C | tiny pentachaeta |
| Perideridia californica | | C | California yampah |
| Persicaria lapathifolia | (formerly Polygonum lapathifol | B | willow weed |
| Persicaria punctata | (formerly Polygonum punctatum) | C | water smartweed |
| Phacelia breweri | | B | Brewer's phacelia |
| Phacelia ciliata | | B | Great Valley phacelia, Great Valley phacelia |
| Phacelia divaricata | | B | divaricate phacelia |
| Phacelia ramosissima | | B | branching phacelia |
| Phacelia rattanii | | B | Rattan's phacelia |
| Phacelia tanacetifolia | | B | tansy phacelia |
| Phoradendron leucarpum subsp. macrophyllum | (formerly P. serotinum subsp. macrophyllum, P. macrophyllum) | C | big leaf mistletoe |
| Phragmites australis | | C | common reed |
| Pickeringia montana var. montana | | C | chaparral pea |
| Pinus coulteri | | B | Coulter pine |
| Piperia elegans subsp. elegans | | C | coast piperia, elegant piperia |
| Piperia elongata | | C | chaparral orchid, wood rein-orchid, elongate piperia |
| Piperia transversa | | B | flat spurred piperia, transverse piperia |
| Plagiobothrys acanthocarpus | | B | adobe popcornflower, adobe allocarya |
| Plagiobothrys canescens var. canescens | | C | valley popcornflower |
| Plagiobothrys fulvus var. campestris | | B | field popcornflower, fulvous popcornflower |
| Plagiobothrys stipitatus var. stipitatus | (var. micranthus is more commo | C | showy great valley popcornflower, stipitate allocarya |
| Plagiobothrys tenellus | | B | Pacific popcornflower, slender popcornflower |
| Plagiobothrys trachycarpus | | C | rough-nutlet popcornflower, rough-fruited allocarya |
| Plantago elongata | | B | annual coast plantain |
| Platanus racemosa | | C | western sycamore, California sycamore |
| Pleuropogon californicus var. californicus | | B | semaphore grass |
| Pluchea odorata var. odorata | | B | saltmarsh fleabane |
| Populus trichocarpa | (formerly P. balsamifera var. | C | black cottonwood |
| Prunella vulgaris var. lanceolata | (var. vulgaris is more common) | B | selfheal |
| Prunus emarginata | | C | bitter cherry |
| Prunus ilicifolia subsp. ilicifolia | | B | islay, holly-leafed cherry |
| Prunus subcordata | | C | Pacific plum, Sierra plum |
| Pseudognaphalium beneolens | (formerly Gnaphalium canescens | C | fragrant everlasting |
| Psilocarphus brevissimus var. brevissimus | | B | dwarf woollyheads, dwarf woolly-marbles |
| Quercus agrifolia | | B | coast live oak, encina |
| Quercus berberidifolia | | C | scrub oak |
| Quercus durata var. durata | | B | leather oak |
| Quercus garryana var. garryana | | B | Oregon oak |
| Quercus lobata | | B | valley oak, roble |
| Quercus wislizeni var. frutescens | | C | shrubby interior live oak |
| Quercus xchasei | | B | Chase oak |
| Ranunculus canus var. canus | | C | Sacramento Valley buttercup |
| Ranunculus occidentalis var. occidentalis | | B | western buttercup |
| Rhamnus crocea | | C | spiny redberry |
| Rhus aromatica | (formerly R. trilobata) | C | skunk bush, skunkbrush, squawbush |
| Ribes divaricatum var. pubiflorum | | C | straggle bush, straggly gooseberry |
| Ribes malvaceum var. malvaceum | | C | chaparral currant |
| Rigiopappus leptocladus | | C | rigiopappus |
| Rorippa curvisiliqua | | B | yellow cress |
| Rorippa palustris subsp. palustris | | B | marsh yellow-cress |
| Rosa spithamea | | C | coast ground rose, ground rose |
| Rumex californicus | (formerly R. salicifolius var. dentatus) | C | willow dock |
| Rumex salicifolius | (formerly R. salicifolius var. salicifolius) | B | willow dock |
| Rumex transitorius | | B | willow dock |
| Sagina decumbens subsp. occidentalis | (S. apetala is more common) | B | western pearlwort |
| Salix gooddingii | | B | Goodding's black willow |
| Sambucus racemosa var. racemosa | | B | red elderberry |
| Scirpus microcarpus | | C | small-fruited bulrush |
| Scribneria bolanderi | | B | Scribner's grass |
| Scutellaria californica | | B | California skullcap |
| Scutellaria tuberosa | | C | Dannie's skullcap |
| Sedum spathulifolium | | B | broadleaf stonecrop, Pacific stonecrop |
| Selaginella bigelovii | | B | spike-moss |
| Senecio aronicoides | | C | rayless ragwort, California butterweed |
| Sequoia sempervirens | | C | coast redwood |
| Sesuvium verrucosum | | B | western sea-purslane, sea-purslane |
| Setaria parviflora | | B | knotroot bristle grass, perennial foxtail |
| Silene laciniata subsp. californica | (formerly Silene c.) | C | Indian pink, California pink, California Indian pink |
| Spartina foliosa | | B | California cord grass |
| Stachys albens | | B | white hedge nettle |
| Stebbinsoseris heterocarpa | | C | grassland silverpuffs, derived microseris |
| Stellaria nitens | | C | shining chickweed |
| Stipa cernua | | C | nodding needlegrass |
| Stipa lepida | | C | foothill needlegrass |
| Stipa pulchra | | C | purple needlegrass |
| Streptanthus glandulosus subsp. glandulosus | | B | jewelflower |
| Stylocline gnaphaloides | | B | everlasting neststraw, nest-straw |
| Suaeda nigra | (formerly S. moquinii) | B | bush seepweed |
| Symphyotrichum subulatum var. parviflorum | (formerly Aster subulatus var. | B | slim aster |
| Tellima grandiflora | | C | fringe cups |
| Tetrapteron graciliflorum | | C | hill sun cup |
| Thysanocarpus laciniatus | | B | lacepod |
| Tonella tenella | | B | small-flowered tonella |
| Trifolium depauperatum var. depauperatum | (vars. amplectens and truncatu | B | dwarf sack clover |
| Trifolium dichotomum | | C | branched indian clover |
| Trifolium fucatum | | B | bull clover |
| Trifolium obtusiflorum | | B | clammy clover, creek clover |
| Trifolium oliganthum | | C | few-flowered clover |
| Trifolium olivaceum | | C | olive clover |
| Triglochin maritima | | C | common arrow-grass, seaside arrow-grass |
| Triglochin scilloides | | C | flowering-quillwort |
| Triglochin striata | (T. maritima is more common) | B | three-ribbed arrow-grass |
| Triphysaria versicolor subsp. faucibarbata | | B | smooth owl's-clover |
| Tropidocarpum gracile | | B | slender tropidocarpum |
| Turritis glabra | | B | tower mustard |
| Vaccinium ovatum | | C | California huckleberry |
| Viola purpurea subsp. quercetorum | | C | mountain violet |
| Wyethia glabra | (W. helenioides is more common | C | mule ears |
| Zeltnera davyi | (formerly Centaurium d.) | B | Davy's centaury, conchalagua |