Printer Friendly: Species List | List with Images | List with QR Tags to Mobile
| scientific name | common name(s) | image gallery |
| Echinocereus engelmannii | Engelmann's hedgehog cactus Saints cactus Hedgehog cactus Strawberry cactus Strawberry hedgehog cactus Purple torch | |
| Echinocereus triglochidiatus | Claret cup Hedgehog cactus Kingcup cactus Mojave mound | |
| Elymus glaucus | Blue wild rye Blue wildrye | |
| Elymus trachycaulus ssp. trachycaulus | Slender wheatgrass | |
| Encelia californica | California brittlebush Coast sunflower | |
| Enceliopsis covillei | Panamint daisy Sunray | |
| Encelia farinosa | Brittlebush Goldhills Incienso | |
| Encelia virginensis | Virgin River brittlebush | |
| Epilobium canum | Hummingbird trumpet California fuchsia Zauschneria | |
| Epilobium canum ssp. canum | Hummingbird trumpet California fuchsia Zauschneria | |
| Epilobium canum ssp. latifolium | Hummingbird trumpet Hummingbird-trumpet | |
| Epipactis gigantea | Chatterbox Orchid Giant Hellebore Stream orchid | |
| Ephedra nevadensis | Nevada jointfir Nevada joint-fir | |
| Ephedra viridis | Mormon tea Mormon-tea | |
| Equisetum hyemale | Canuela Horsetail Scouring rush Scouringrush horsetail | |
| Equisetum laevigatum | Horsetail Smooth horsetail | |
| Eriogonum arborescens | Santa Cruz Island buckwheat Santa Cruz Island wild buckwheat | |
| Eriophyllum confertiflorum | Golden yarrow Yellow yarrow | |
| Eriogonum crocatum | Conejo buckwheat Saffron wild buckwheat | |
| Eriastrum densifolium | Giant woollystar | |
| Erigeron divergens | Spreading fleabane Branching fleabane Fleabane daisy | |
| Eriogonum fasciculatum | Eastern Mojave buckwheat Eastern mojave wild buckwheat California buckwheat | |
| Eriogonum fasciculatum var. polifolium | Eastern Mojave buckwheat | |
| Erigeron foliosus | Leafy fleabane | |
| Erigeron glaucus | Seaside fleabane Seaside daisy | |
| Eriogonum grande var. rubescens | Redflower buckwheat Red-flowered pacific island wild buckwheat | |
| Ericameria laricifolia | Turpentine bush Larchleaf goldenweed Turpentine brush | |
| Ericameria linearifolia | Mojave Goldenbush Narrowleaf goldenbush | |
| Eriophyllum stoechadifolium | Seaside woolly sunflower | |
| Eriogonum umbellatum | Sulphur-flower buckwheat Sulphur-flower wild buckwheat Sulphur buckwheat Sulphur flower | |
| Eriogonum wrightii | Perennial buckwheat Wright buckwheat Wild buckwheat Bastard sage | |
| Eurybia radulina | Rough-leaf wood-aster Roughleaf aster | |
| Fallugia paradoxa | Apache plume Ponil | |
| Festuca californica | California fescue | |
| Ferocactus cylindraceus | California barrel cactus Visnaga | |
| Festuca idahoensis | Blue bunchgrass Bunchgrass fescue Idaho fescue | |
| Festuca occidentalis | Western fescue | |
| Festuca rubra | Red fescue | |
| Forestiera pubescens | Stretchberry Elbow bush Spring herald | |
| Fouquieria splendens | Ocotillo Devil’s walking stick Candlewood | |
| Fremontodendron californicum | California flannelbush Northern flannelbush Northern fremontia California slippery elm | |
| Frangula californica ssp. californica | California buckthorn Coffeeberry | |
| Fraxinus dipetala | California ash Two-petal ash California flowering ash | |
| Fraxinus latifolia | Oregon ash | |
| Fremontodendron mexicanum | Mexican flannelbush Southern flannelbush Southern fremontia Mexican fremontia | |
| Frangula purshiana | Cascara Cascara buckthorn | |
| Fragaria vesca | Woodland strawberry California strawberry Wood strawberry | |
| Fraxinus velutina | Arizona ash Desert ash Velvet ash | |
| Fragaria virginiana | Virginia strawberry Wild strawberry | |
| Gaura coccinea | Scarlet beeblossom Scarlet gaura | |
| scientific name | common name(s) | image gallery |