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| scientific name | common name(s) | image gallery |
| Abies concolor | Balsam fir Colorado fir Concolor fir Oyamel de California Silver fir White balsam White fir | |
| Abies magnifica | California red fir Red fir | |
| Abronia villosa | Desert sand verbena Desert sand-verbena Desert sandverbena | |
| Acacia greggii | Catclaw acacia Gregg acacia Long-flower catclaw Una de gato | |
| Achnatherum hymenoides | Indian ricegrass Indian Millet Sandgrass | |
| Acer macrophyllum | Bigleaf maple Big-leaf maple | |
| Adenostoma fasciculatum | Chamise Common chamise Greasewood | |
| Adenostoma sparsifolium | Redshank Ribbon bush Ribbonwood | |
| Aesculus californica | California buckeye | |
| Amelanchier alnifolia | Saskatoon serviceberry Western serviceberry Juneberry | |
| Amorpha fruticosa | Indigo bush False indigo bush False indigo Desert false indigo | |
| Antennaria alpina | Alpine everlasting Alpine pussytoes | |
| Aquilegia eximia | Van Houtte's columbine Serpentine columbine | |
| Aquilegia formosa | Western columbine Crimson columbine Scarlet columbine Red columbine | |
| Arctostaphylos edmundsii | Little Sur manzanita | |
| Arctostaphylos hookeri | Hooker's manzanita Monterey manzanita | |
| Arctostaphylos manzanita | Whiteleaf manzanita Big manzanita Manzanita | |
| Arbutus menziesii | Pacific madrone Oregon laurel Laurelwood | |
| Arctostaphylos nevadensis | Pinemat manzanita | |
| Arctostaphylos patula | Greenleaf manzanita Green-leaf manzanita | |
| Artemisia pycnocephala | Beach sagebrush Beach wormwood Sand hill sage | |
| Artemisia tridentata | Big sagebrush Great Basin sagebrush | |
| Atriplex canescens | Chamiso Four-wing saltbush Fourwing saltbush Wingscale | |
| Atriplex confertifolia | Shadscale Spiny saltbush Shadscale saltbush Hop sage | |
| Atriplex lentiformis | Big saltbush Coastal quail bush Quailbush Saltbush | |
| Baileya multiradiata | Desert marigold Showy desert marigold Paper daisy Desert baileya | |
| Balsamorhiza sagittata | Arrowleaf balsamroot Arrow-leaf balsamroot | |
| Castilleja angustifolia | Northwestern Indian paintbrush | |
| Carpenteria californica | Bush anemone Tree anemone Tree-anemone | |
| Calocedrus decurrens | Incense cedar Incense-cedar | |
| Castilleja exserta ssp. exserta | Purple owl's clover Owl's clover Exserted indian paintbrush | |
| Castilleja linariifolia | Wyoming Indian paintbrush Wyoming indian-paintbrush | |
| Calycanthus occidentalis | Western sweetshrub California sweet shrub Spice bush Western spicebush | |
| Cercis canadensis var. texensis | Texas redbud | |
| Ceanothus cordulatus | Mountain whitethorn Snow bush Whitethorn ceanothus | |
| Ceanothus cuneatus | Buckbrush | |
| Ceanothus impressus | Santa Barbara ceanothus Santa Barbara buckbrush | |
| Ceanothus integerrimus | Deerbrush | |
| Ceanothus leucodermis | Chaparral whitethorn Jackbrush | |
| Cercocarpus ledifolius | Curl-leaf mountain mahogany Curl-leaf mountain-mahogany | |
| Ceanothus megacarpus | Big-pod buckbrush Big-pod ceanothus Bigpod ceanothus | |
| Cercocarpus montanus var. glaber | Birch-leaf mountain-mahogany Birchleaf mountain mahogany Hard tack | |
| Cercocarpus montanus var. minutiflorus | Smooth mountain mahogany San Diego mountain-mahogany | |
| Ceanothus velutinus | Snowbrush Snowbrush ceanothus Tobacco-brush Mountain balm Buckbush | |
| Chamerion angustifolium ssp. angustifolium | Fireweed Narrow-leaf fireweed Willow herb | |
| Chilopsis linearis | Desert willow Flowering willow Willow-leaved catalpa Trumpet flower | |
| Chrysolepis sempervirens | Bush chinquapin Sierra chinquapin Sierran chinkapin | |
| Cleome isomeris | Bladderpod spiderflower Bladderpod | |
| Clarkia unguiculata | Elegant clarkia Elegant fairyfan Mountain garland | |
| Coreopsis calliopsidea | Leaf-stem tickseed Leafstem tickseed Leafy stem coreopsis | |
| Comarostaphylis diversifolia | Summer holly | |
| Coreopsis douglasii | Douglas' tickseed | |
| Collomia grandiflora | Collomia Grand collomia Large-flower mountain-trumpet | |
| Collinsia heterophylla | Purple Chinese houses Harlequin blue-eyed Mary Chinese houses | |
| Collomia linearis | Collomia Narrow-leaf mountain-trumpet Tiny trumpet | |
| Cornus nuttallii | Pacific dogwood Pacific flowering dogwood Mountain dogwood | |
| Cornus sericea ssp. sericea | Redosier dogwood Red Osier Dogwood | |
| Cupressus forbesii | Tecate cypress | |
| Cupressus macrocarpa | Monterey cypress | |
| Danthonia californica | California oatgrass California wild oat grass | |
| Dasiphora fruticosa ssp. floribunda | Shrubby cinquefoil Golden-hardhack | |
| Danthonia unispicata | Few-flower wild oat grass Onespike danthonia Onespike oatgrass | |
| Delphinium californicum | California coast larkspur California larkspur | |
| Delphinium cardinale | Scarlet larkspur | |
| Delphinium glaucum | Sierra larkspur Tower larkspur | |
| Dendromecon rigida | Tree poppy Bush poppy | |
| Diplacus longiflorus | Southern bush monkeyflower | |
| Diplacus puniceus | Red bush monkeyflower Mission diplacus | |
| Elymus trachycaulus ssp. trachycaulus | Slender wheatgrass | |
| Encelia californica | California brittlebush Coast sunflower | |
| Encelia farinosa | Brittlebush Goldhills Incienso | |
| Epilobium obcordatum | Rockfringe | |
| Epilobium rigidum | Siskiyou rock fringe Stiff willowherb | |
| Eriogonum fasciculatum | Eastern Mojave buckwheat Eastern mojave wild buckwheat California buckwheat | |
| Ericameria nauseosa ssp. nauseosa | Chamisa Rabbitbrush Rubber rabbitbrush | |
| Erodium texanum | Fillaree Pine needle Stork’s Bill Texas stork's bill Texas stork’s bill | |
| Eschscholzia caespitosa | Tufted poppy Tufted-poppy | |
| Eschscholzia californica | California poppy California gold poppy | |
| Fallugia paradoxa | Apache plume Ponil | |
| Festuca californica | California fescue | |
| Festuca occidentalis | Western fescue | |
| Forestiera pubescens var. pubescens | Stretchberry Elbowbush Stretch-berry Downy forestiera Desert olive Elbow-bush | |
| Fremontodendron californicum | California flannelbush Northern flannelbush Northern fremontia California slippery elm | |
| Frangula californica ssp. californica | California buckthorn Coffeeberry | |
| Fremontodendron mexicanum | Mexican flannelbush Southern flannelbush Southern fremontia Mexican fremontia | |
| Fraxinus velutina | Arizona ash Desert ash Velvet ash | |
| Garrya elliptica | Wavyleaf silktassel Wavy-leaf silktassel Silk-tassel bush Coastal silktassel | |
| Gaultheria shallon | Salal | |
| Gilia achilleifolia | California gilia California gily-flower Showy gilia | |
| Gilia tricolor | Bird's-eye gilia Bird's-eyes | |
| Heteromeles arbutifolia | Toyon California Christmasberry Christmasberry California holly Hollywood | |
| Hesperoyucca whipplei | Chaparral yucca Foothill yucca Our Lord's candle | |
| Holodiscus discolor | Cream bush Hillside oceanspray Mountain spray Oceanspray | |
| Ipomopsis aggregata | Scarlet gilia Scarlet standing-cypress Skyrocket Skunkflower | |
| Iris missouriensis | Rocky Mountain iris Western blue flag | |
| Juglans californica | California black walnut Southern California walnut | |
| Juniperus californica | California juniper Desert white cedar | |
| Juniperus occidentalis | Western juniper | |
| Kallstroemia grandiflora | Arizona poppy Orange caltrop Desert poppy Summer poppy | |
| Koeleria macrantha | Prairie Junegrass Junegrass Prairie Koeler's grass | |
| scientific name | common name(s) | image gallery |