| Abies concolor |
White fir |
| Acanthomintha obovata ssp. cordata |
Heart-leaved thorn-mint |
| Acer macrophyllum |
Big-leaf maple |
| Acer macrophyllum |
Big-leaf maple (flowers) |
| Acer macrophyllum |
Big-leaf maple (fruit) |
| Aesculus californica |
California buckeye |
| Aesculus californica |
California buckeye (fruit) |
| Agoseris retrorsa |
Spear-leaved agoseris |
| Agoseris retrorsa |
Spear-leaved agoseris (seed head) |
| Allium burlewii |
Burlew's onion |
| Allium howellii var. clokeyi |
Clokey's onion |
| Allium lacunosum |
Pitted onion |
| Allium praecox |
Early onion |
| Allophyllum divaricatum |
Purple false gilia |
| Allophyllum gilioides |
Dense allophyllum |
| Amaryllis belladonna |
Naked lady |
| Ambrosia artemisiifolia |
Common ragweed |
| Ambrosia artemisiifolia |
Common ragweed (flowers) |
| Amelanchier utahensis? |
Serviceberry |
| Amorpha fruticosa |
Western false-indigo |
| Arabis holboellii |
Holboell's rock-cress |
| Arabis parishii |
Parish's rock-cress |
| Arabis perennans? |
Perennial rock-cress? |
| Arctostaphylos gabrielensis |
San Gabriel manzanita |
| Arctostaphylos glandulosa ssp. zacaensis |
Eastwood manzanita (leaves) |
| Arctostaphylos parryana |
Parry manzanita |
| Arctostaphylos pringlei |
Pringle's manzanita |
| Arenaria macradenia ssp. macradenia |
Sandwort |
| Arenaria serpyllifolia |
Thyme-leaved sandwort |
| Arenaria ursina |
Bear Valley sandwort |
| Arnica discoidea |
Rayless arnica |
| Aster greatae |
Greata's aster |
| Astragalus douglasii |
Jacumba milkvetch |
| Astragalus lentiginosus var. sierrae |
Bear Valley milk-vetch (pods) |
| Astragalus pomonensis |
Pomona milk-vetch |
| Astragalus purshii |
Woolly pod |
| Astragalus purshii |
Woolly pod (pod) |
| Astragalus pycnostachyus var. lanosissimus |
Ventura marsh milk-vetch |
| Atriplex argentea |
Silverscale saltbush |
| Batis maritima |
Saltwort (in fruit) |
| Berberis aquifolium |
Oregon grape |
| Boschniakia strobilacea |
California ground-cone |
| Brassica fruticulosa |
Knobby-pod mustard |
| Brodiaea filifolia |
Three-leaved brodiaea |
| Bromus tectorum |
Cheat grass |
| Calochortus concolor |
Golden-bowl mariposa lily |
| Calochortus dunnii |
Dunn's mariposa lily |
| Calochortus invenustus |
Mariposa lily |
| Calochortus invenustus |
Mariposa lily (lavender) |
| Calochortus invenustus |
Mariposa lily (maroon) |
| Calochortus invenustus |
Mariposa lily (violet) |
| Calochortus palmeri |
Palmer's mariposa lily |
| Calochortus palmeri |
Palmer's mariposa lily (white) |
| Calochortus venustus |
Butterfly mariposa (deep red) |
| Calochortus venustus |
Butterfly mariposa (multi-color) |
| Calochortus venustus |
Butterfly mariposa (multi-color) |
| Calochortus venustus |
Butterfly mariposa (peach) |
| Calochortus venustus |
Butterfly mariposa (pink) |
| Calochortus venustus |
Butterfly mariposa (red) |
| Calochortus venustus |
Butterfly mariposa (yellow) |
| Calochortus weedii |
Weed's mariposa |
| Calyptridium umbellatum |
Pussy paws |
| Calystegia macrostegia ssp. macrostegia |
Island morning glory |
| Calystegia malacophylla |
Woolly morning glory |
| Camissonia hirtella? |
Hairy suncups? |
| Camissonia ignota? |
Jurupa Hills suncup? |
| Camissonia intermedia |
Intermediate suncup |
| Camissonia pusilla |
Little wiry suncup |
| Cardamine oligosperma |
Bitter cress |
| Castilleja angustifolia? |
Desert paintbrush? |
| Castilleja applegatei ssp. martinii |
Martin's paintbrush |
| Castilleja cinerea |
Ash-gray paintbrush |
| Castilleja cinerea |
Ash-gray paintbrush (yellow) |
| Castilleja densiflora |
Dense-flowered owl's clover |
| Castilleja exserta |
Owl's clover (white) |
| Castilleja gleasonii |
Mt. Gleason paintbrush |
| Castilleja miniata |
Giant paintbrush (yellow) |
| Castilleja subinclusa |
Long-leaf paintbrush |
| Caulanthus amplexicaulis |
Clasping-leaved caulanthus |
| Caulanthus heterophyllus var. heterophyllus |
Jewel flower |
| Ceanothus cordulatus |
Mountain whitethorn |
| Ceanothus greggii |
Cupped-leaf ceanothus |
| Ceanothus tomentosus |
Woolly-leaf ceanothus |
| Centaurium venustum |
Canchalagua (white) |
| Centrostegia thurberi |
Thurber's spineflower (flowers) |
| Chaenactis santolinoides |
Santolina pincushion |
| Chaenactis xantiana |
Xantus' pincushion |
| Chamomilla occidentalis |
Western pineapple weed |
| Cheilanthes clevelandii |
Cleveland's lip-fern |
| Chenopodium botrys |
Jerusalem oak |
| Chenopodium botrys |
Jerusalem oak (leaves) |
| Chlorogalum parviflorum |
Small-flowered soap plant |
| Chorizanthe procumbens |
Prostrate spineflower |
| Chorizanthe xanti |
Xantus' spineflower |
| Chrysopelsis sempervirens |
Bush chinquapin |
| Chrysothamnus nauseosus |
Rabbitbrush |
| Cirsium scariosum |
Elk thistle |
| Cirsium scariosum |
Elk thistle (purple) |
| Clarkia similis |
Ramona clarkia |
| Clarkia xantiana |
Xantus' clarkia |
| Claytonia parviflora |
Narrow-leaved miner's lettuce |
| Clematis pauciflora |
Virgin's bower |
| Cnicus benedictus |
Blessed thistle |
| Collinsia childii |
Child's collinsia |
| Collinsia torreyi |
Blue-eyed Mary |
| Collomia grandiflora |
Large-flowered collomia |
| Colutea arborescens |
Bladder senna |
| Corallorhiza maculata |
Spotted coral root |
| Cordylanthus maritimus |
Salt-marsh bird's beak |
| Cordylanthus nevinii |
Nevin's bird's beak |
| Coreopsis gigantea |
Giant coreopsis (white-tipped) |
| Cornus sericea |
American dogwood |
| Cotoneaster pannosa |
Woolly cotoneaster |
| Crepis occidentalis |
Western hawkbeard |
| Cryptantha circumscissa |
Cushion cryptantha |
| Cryptantha clevelandii |
Cleveland's cryptantha |
| Cryptantha echinella? |
Prickly cryptantha? |
| Cynara cardunculus |
Artichoke thistle |
| Cyperus involucratus |
Umbrella plant (leaves) |
| Danthonia unispicata |
One-spike oatgrass |
| Delphinium parishii ssp. pallidum |
Pale-flowered larkspur |
| Descurainia californica |
Sierra tansy-mustard |
| Dichelostemma capitatum |
Blue dicks (white) |
| Draba verna |
Whitlow grass |
| Dudleya densiflora |
San Gabriel Mountains dudleya |
| Dudleya stolonifera |
Laguna Beach dudleya |
| Echinocereus engelmannii (var. munzii) |
Munz' hedgehog cactus |
| Ehrharta sp. |
Veldt grass |
| Elymus elymoides |
Squirrel tail |
| Elymus glaucus |
Blue wildrye |
| Epilobium pygmaeum |
Smooth willowweed |
| Equisetum laevigatum |
Smooth scouring rush |
| Eriastrum densifolium ssp. austromontanum |
Perennial woolstar |
| Eriastrum densifolium ssp. austromontanum |
Perennial woolstar (white) |
| Eriastrum densifolium ssp. elongatum |
Giant woolstar |
| Eriastrum densifolium ssp. sanctorum |
Santa Ana River woolstar (flower) |
| Eriastrum densifolium ssp. sanctorum |
Santa Ana River woolstar (flowers) |
| Eriastrum signatum |
Few-flowered woolstar |
| Ericameria cuneata |
Cliff goldenbush |
| Ericameria pinifolia |
Pine goldenbush |
| Erigeron aphanactis |
Rayless fleabane |
| Erigeron aphanactis |
Rayless fleabane (in fruit) |
| Erigeron breweri var. jacinteus |
Brewer's fleabane |
| Eriodictyon trichocalyx |
Yerba santa |
| Eriogonum apiculatum |
San Jacinto buckwheat |
| Eriogonum arborescens |
Santa Cruz Island buckwheat |
| Eriogonum covilleanum? |
Coville's buckwheat? |
| Eriogonum grande ssp. rubescens |
Red buckwheat |
| Eriogonum kennedyi |
Kennedy's buckwheat |
| Eriogonum molestum |
Pineland buckwheat |
| Eriogonum saxatile |
Rock buckwheat |
| Eriogonum thurberi |
Thurber's buckwheat |
| Eriogonum wrightii var. subscaposum |
Wright's buckwheat |
| Eriophyllum confertiflorum |
Golden yarrow ('rayless') |
| Eriophyllum pringlei |
Pringle's woolly sunflower |
| Erodium brachycarpum |
Short-fruited filaree |
| Euonymus occidentalis var. parishii |
Parish's burning bush |
| Euphorbia palmeri |
Woodland spurge |
| Fraxinus velutina |
Arizona ash (fruit) |
| Fremontodendron californicum |
Flannelbush |
| Garrya veatchii |
Silk tassel bush (fruit) |
| Gayophytum diffusum |
Ground smoke |
| Geranium dissectum |
Cutleaf geranium |
| Geranium richardsonii? |
Richardson's geranium? |
| Gilia diegensis |
Coastal gilia |
| Gilia modocensis? |
Modoc gilia? |
| Gilia ochroleuca |
Volcanic gilia |
| Gilia ophthalmoides? |
Eyed gilia? |
| Gilia splendens ssp. grantii |
Grant's gilia |
| Githopsis diffusa ssp. candida |
White bluecup |
| Guttierezia californica |
Matchweed |
| Helenium bigelovii |
Sneezeweed |
| Hemizonia parryi ssp. australis |
Southern tarweed |
| Hemizonia pungens ssp. laevis |
Spikeweed |
| Heterocodon rariflorum |
Few-flowered heterocodon |
| Heuchera hirsutissima |
Parish's alumroot |
| Hoita orbicularis |
Creeping leather-root |
| Horkelia clevelandii |
Cleveland's horkelia |
| Horkelia rydbergii |
Rydberg's horkelia |
| Horkelia truncata |
Ramona horkelia |
| Horkelia wilderae |
Barton Flats horkelia |
| Horkelia wilderae |
Barton Flats horkelia (leaves) |
| Hulsea californica |
San Diego sunflower |
| Hulsea heterochroma |
Red-rayed hulsea |
| Hulsea vestita ssp. callicarpha |
Pumice alpinegold |
| Hypochaeris radicata |
Rough cat's ear |
| Juniperus californica |
California juniper ('berries') |
| Keckiella antirrhinoides |
Chaparral beard-tongue |
| Keckiella breviflora |
Gaping keckiella |
| Keckiella rothrockii var. jacintensis |
Mt. San Jacinto keckiella |
| Keckiella ternata |
Whorled-leaf penstemon |
| Koeleria macrantha |
June grass |
| Krameria erecta |
Pima rhatany |
| Lastarriaea coriacea |
Leather spineflower |
| Lasthenia glabrata ssp. coulteri |
Yellow-rayed goldfields |
| Lathyrus tingitanus |
Tangier pea |
| Lathyrus vestitus var. alefeldii |
San Diego pea |
| Lavatera assurgentiflora ssp. assurgentiflora |
Island mallow |
| Leptodactylon pungens |
Mountain prickly phlox |
| Lessingia glandulifera |
Sticky lessingia |
| Lessingia tenuis |
Spring lessingia |
| Lilium parryi |
Lemon lily |
| Limnanthes gracilis ssp. parishii |
Parish's meadowfoam |
| Limonium perezii? |
Perez's sealavender? |
| Limonium ramosissimum? |
Algerian sealavender? |
| Linanthus breviculus |
Mojave linanthus |
| Linanthus floribundus |
Many-flower linanthus |
| Linanthus killipii |
Baldwin Lake linanthus |
| Linanthus lemmonii |
Lemmon's linanthus |
| Linanthus parviflorus |
Common linanthus (blue) |
| Linanthus parviflorus |
Common linanthus (yellow) |
| Linum lewisii |
Lewis' flax |
| Linum perenne |
Blue flax |
| Lithophragma affine ssp. mixtum |
Woodland star |
| Lobelia dunnii |
Dunn's lobelia |
| Lomatium dissectum |
Fernleaf lomatium (leaves) |
| Lomatium mohavense? |
Desert parsley? |
| Lomatium nevadense |
Desert lomatium |
| Lonicera interrupta |
Chaparral honeysuckle |
| Lotus crassifolius |
Buck lotus |
| Lotus crassifolius var. otayensis |
Otay Mountain lotus |
| Lotus dendroideus |
Island broom |
| Lotus denticulatus |
Toothed lotus |
| Lotus hamatus |
San Diego bird's-foot trefoil |
| Lotus heermanii |
Woolly lotus |
| Lotus nevadensis |
Sierra Nevada lotus |
| Lupinus andersonii |
Anderson's lupine |
| Lupinus elatus |
Silky lupine |
| Lupinus excubitus var. johnstonii |
Interior bush lupine |
| Lupinus hyacinthinus |
San Jacinto lupine |
| Lupinus lepidus var. confertus |
Brown-bannered lupine |
| Lupinus luteolus |
Butter lupine |
| Lupinus luteolus |
Butter lupine (blue) |
| Lupinus microcarpus |
Chick lupine (purple) |
| Malacothamnus aboriginum |
Indian Valley bush mallow |
| Malacothamnus davidsonii |
Bush mallow |
| Malacothamnus fremontii |
Fremont's bush mallow |
| Malacothrix californica |
California desert dandelion |
| Malephora crocea |
Yellow iceplant |
| Malva sylvestris |
High mallow |
| Matthiola incana |
Garden stock |
| Melica stricta |
Rock melic |
| Melilotus officinalis |
Yellow sweet clover |
| Mentzelia congesta? |
Clustered blazing star? |
| Mentzelia montana |
Mountain blazing star |
| Mentzelia veatchiana |
Veatch's blazing-star |
| Mimulus aurantiacus |
Bush monkeyflower (red) |
| Mimulus constrictus |
Dense-fruited monkeyflower |
| Mimulus fremontii |
Fremont's monkeyflower |
| Mimulus purpureus |
Purple monkeyflower |
| Mirabilis multiflora |
Giant four o'clock |
| Monardella australis |
Southern monardella |
| Monardella lanceolata |
Mustang mint |
| Monardella linoides |
Narrow-leaved monardella |
| Monardella nana |
Little monardella |
| Monolepsis nuttalliana |
Poverty weed |
| Muhlenbergia richardsonis |
Matted muhly |
| Muilla maritima |
Common muilla |
| Nama rothrockii |
Blue balls |
| Navarretia atractyloides |
Holly-leaf navarretia |
| Navarretia hamata? |
Hooked navarretia? |
| Navarretia peninsularis |
Baja navarretia |
| Nemacladus pinnatifidus? |
Comb-leaved threadplant? |
| Nemacladus ramosissimus |
Small-flowered threadplant |
| Nemophila menziesii |
Baby blue eyes |
| Nemophila menziesii var. integrifolia |
Small baby blue eyes |
| Nicotiana attenuata |
Coyote tobacco |
| Oenothera californica |
California evening primrose |
| Oncosiphon piluliferum |
Stink net |
| Opuntia Xvaseyi |
Vasey's prickly pear |
| Opuntia parryi |
Valley cholla |
| Orobanche fasciculata |
Clustered broomrape |
| Orobanche parishii? |
Parish's broomrape? |
| Osmadenia tenella |
Three-spot |
| Oxytheca caryophylloides |
Chickweed oxytheca |
| Oxytheca emarginata |
White-margined oxytheca |
| Oxytheca trilobata |
Three-lobed oxytheca |
| Pedicularis semibarbata |
Lousewort |
| Pediomelum californicum |
California Indian breadfruit |
| Penstemon caesius |
Purple mountain bugler |
| Penstemon californicus |
California penstemon |
| Penstemon clevelandii |
Cleveland's penstemon |
| Penstemon grinnellii |
Grinnell's penstemon |
| Penstemon labrosus |
Mountain bugler |
| Penstemon laetus |
Gay penstemon |
| Penstemon rostriflorus |
Beaked penstemon |
| Penstemon speciosus |
Royal penstemon |
| Penstemon spectabilis var. spectabilis |
Showy penstemon |
| Pentachaeta aurea |
Golden-rayed pentachaeta |
| Perideridia parishii |
Parish's yampah |
| Perideridia pringlei |
Pringle's yampah |
| Phacelia austromontana |
Southern Sierra phacelia |
| Phacelia brachyloba |
Yellow-throated phacelia |
| Phacelia ciliata |
Great Valley phacelia |
| Phacelia curvipes |
Curved-stem phacelia |
| Phacelia davidsonii |
Davidson's phacelia |
| Phacelia davidsonii |
Davidson's phacelia (white) |
| Phacelia exilis |
Transverse Range phacelia |
| Phacelia longipes |
Longstalk phacelia |
| Phacelia mohavensis |
Mohave phacelia |
| Phacelia mutabilis |
Changeable phacelia |
| Phacelia tanacetifolia |
Lacy phacelia |
| Philadelphus microphyllus |
Littleleaf mock orange |
| Phlox austromontana |
Mountain phlox |
| Pinus lambertiana |
Sugar pine (cones) |
| Pinus monophylla |
Singleleaf pinyon pine |
| Pinus quadrifolia |
Parry pinyon pine |
| Pinus torreyana |
Torrey pine |
| Piperia cooperi? |
Cooper's rein orchid? |
| Plagiobothrys leptocladus |
Wire-stem popcorn flower |
| Poa atropurpurea |
San Bernardino bluegrass |
| Poa secunda |
Pine bluegrass |
| Polygonum argyrocoleon |
Persian knotweed |
| Polystichum munitum |
Sword fern |
| Potentilla biennis? |
Biennial cinquefoil? |
| Potentilla wheeleri |
Wheeler's cinquefoil |
| Pseudotsuga macrocarpa |
Big-cone spruce (cone) |
| Pteridium aquilinum |
Bracken fern |
| Pterospora andromedea |
Pine drops |
| Pulicaria paludosa |
Spanish sunflower |
| Pyrrocoma uniflora ssp. gossypina |
Bear Valley pyrrocoma |
| Quercus chrysolepis |
Canyon live oak (leaves) |
| Quercus garryana |
Oregon oak (leaf) |
| Quercus garryana var. breweri |
Brewer's oak (leaves) |
| Quercus john-tuckeri |
Tucker's oak (leaves) |
| Quercus kelloggii |
Black oak (acorns) |
| Quercus wislizenii |
Interior live oak (leaves) |
| Rhamnus pilosa |
Hairy-leaf redberry (fruit) |
| Rhamnus tomentella |
Hoary coffeeberry |
| Rhododendron occidentale |
Western azalea |
| Ribes cereum |
Wax currant |
| Ribes lasianthum |
Alpine gooseberry |
| Ribes montigenum |
Mountain gooseberry |
| Ribes nevadense |
Sierra currant |
| Ribes nevadense |
Sierra currant (fruit) |
| Rosa woodsii |
Wood rose |
| Salix laevigata |
Red willow (leaves) |
| Salvia brandegei |
Santa Rosa Island sage |
| Salvia clevelandii |
Cleveland sage |
| Salvia pachyphylla |
Rose sage |
| Sanicula bipinnatifida |
Purple sanicle |
| Sanicula hoffmannii? |
Hoffmann's sanicle? |
| Sarcodes sanguinea |
Snow plant |
| Sarcostemma cyanchoides |
Climbing milkweed (greenish) |
| Saxifraga californica |
California saxifrage |
| Scutellaria siphocampyloides |
Curve-flowered scullcap |
| Sidalcea pedata |
Bird-foot checkerbloom |
| Silene parishii |
Parish's catchfly |
| Silene verecunda |
San Francisco campion |
| Sinapis arvensis |
Charlock |
| Sisymbrium altissimum |
Tumble mustard |
| Sisyrinchium bellum |
Blue-eyed grass (whitish) |
| Solanum parishii |
Parish's nightshade |
| Spergularia bocconii |
Boccone's sand spurry |
| Sphaeralcea ambigua |
Apricot mallow |
| Stephanomeria spinosa |
Spiny skeletonweed |
| Stephanomeria virgata ssp.pleurocarpa |
Twiggy wreathplant |
| Streptanthus bernardinus |
Laguna Mountain jewel-flower |
| Swertia neglecta |
Pine green gentian |
| Swertia parryi |
Parry's green gentian |
| Taraxacum californicum |
California dandelion |
| Tauschia parishii |
Parish's tauschia |
| Tetradymia canescens |
Spineless horsebrush |
| Thelypodium stenopetalum |
Slender-petaled thelypodium |
| Thermopsis californica |
Golden pea |
| Thermopsis macrophylla |
Golden pea |
| Trichostema parishii |
Parish's blue curls |
| Trichostema parishii |
Parish's blue curls (flower) |
| Trifolium fragiferum |
Strawberry clover |
| Trifolium fragiferum |
Strawberry clover (in fruit) |
| Trifolium microcephalum |
Small-headed clover |
| Trifolium wormskioldii |
Cow clover |
| Triodanis biflora |
Venus looking-glass |
| Triteleia lugens |
Pretty face |
| Triticum aestivum |
Wheat |
| Turricula parryi |
Poodle-dog bush |
| Umbellularia californica |
Bay tree (fruit) |
| Veratrum californicum |
Corn lily |
| Veratrum californicum |
Corn lily (leaves) |
| Verbesina encelioides |
Crownbeard |
| Veronica americana |
American brooklime |
| Viguiera laciniata |
San Diego sunflower |
| Viola douglasii |
Douglas' violet |
| Washintonia robusta |
Mexican fan palm |
| Wyethia ovata |
Southern mule ears |
| Xyloccocus bicolor |
Mission manzanita (post-fire) |
| Ziziphus parryi |
Lotebush (fruit) |