| Abies concolor |
White fir |
| Acanthomintha obovata ssp. cordata |
Heart-leaved thorn-mint |
| Acer macrophyllum |
Big-leaf maple |
| Aesculus californica |
California buckeye (fruit) |
| Agoseris retrorsa |
Spear-leaved agoseris |
| Agoseris retrorsa |
Spear-leaved agoseris (seed head) |
| Allium burlewii |
Burlew's onion |
| Allium praecox* |
Early onion |
| Allophyllum gilioides ssp. violaceum? |
Dense allophyllum? |
| Amelanchier utahensis? |
Serviceberry |
| Arabis holboellii |
Holboell's rock-cress |
| Arabis parishii |
Parish's rock-cress |
| Arabis perennans? |
Perennial rock-cress? |
| Arctostaphylos glandulosa ssp. zacaensis |
Eastwood manzanita (leaves) |
| Arenaria serpyllifolia |
Thyme-leaved sandwort |
| Arenaria ursina |
Bear Valley sandwort |
| Arnica discoidea |
Rayless arnica |
| Aster greatae |
Greata's aster |
| Astragalus douglasii |
Jacumba milk-vetch |
| 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 |
| Berberis aquifolium |
Oregon grape |
| Bidens laevis |
Bur marigold |
| Boschniakia strobilacea |
California ground-cone |
| Brodiaea filifolia |
Three-leaved brodiaea |
| 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 venustus |
Butterfly mariposa (pink) |
| Calochortus venustus |
Butterfly mariposa (red) |
| Calochortus venustus |
Butterfly mariposa (yellow) |
| Calochortus weedii |
Weed's mariposa |
| Calyptridium umbellatum |
Pussy paws |
| Calystegia malacophylla* |
Woolly morning glory |
| Calystegia purpurata |
Purple western morning glory |
| Camissonia hirtella? |
Hairy suncups? |
| Camissonia ignota? |
Jurupa Hills suncup? |
| Cardamine oligosperma |
Bitter cress |
| Castilleja angustifolia? |
Desert paintbrush? |
| Castilleja applegatei ssp. martinii |
Martin's paintbrush |
| Castilleja cinerea |
Ash-gray paintbrush |
| Castilleja densiflora |
Dense-flowered owl's clover |
| Castilleja miniata |
Giant paintbrush (yellow) |
| Castilleja subinclusa |
Long-leaf paintbrush |
| Caulanthus heterophyllus* |
Jewel flower |
| Ceanothus greggii |
Cupped-leaf ceanothus |
| Ceanothus tomentosus |
Woolly-leaf ceanothus |
| Centaurium venustum |
Canchalagua (white) |
| 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 dudleyana? |
Dudley's clarkia? |
| 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 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 |
| Cryptantha circumscissa |
Cushion cryptantha |
| Cryptantha clevelandii* |
Cleveland's cryptantha |
| Cryptantha echinella? |
Prickly cryptantha? |
| Cynara cardunculus |
Artichoke thistle |
| Cyperus involucratus |
Umbrella plant (leaves) |
| Delphinium parishii ssp. pallidum |
Pale-flowered larkspur |
| Descurainia californica |
Sierra tansy-mustard |
| Dichelostemma capitatum |
Blue dicks (white) |
| Draba verna |
Whitlow grass |
| Dudleya stolonifera |
Laguna Beach dudleya |
| Elymus glaucus |
Blue wildrye |
| Epilobium pygmaeum |
Smooth willowweed |
| Eriastrum densifolium ssp. austromontanum |
Southern mountain woollystar |
| Eriastrum densifolium ssp. austromontanum |
Southern mountain woollystar (white) |
| Eriastrum densifolium ssp. elongatum |
Giant woollystar |
| Ericameria cuneata |
Cliff goldenbush |
| Ericameria pinifolia |
Pine goldenbush |
| Erigeron aphanactis |
Rayless fleabane |
| Erigeron aphanactis |
Rayless fleabane (in fruit) |
| Eriodictyon trichocalyx |
Yerba santa |
| Eriogonum apiculatum |
San Jacinto buckwheat |
| Eriogonum covilleanum? |
Coville's buckwheat? |
| Eriogonum kennedyi |
Kennedy's buckwheat |
| Eriogonum saxatile |
Rock buckwheat |
| Eriogonum thurberi |
Thurber's buckwheat |
| Eriophyllum confertiflorum |
Golden yarrow ('rayless') |
| Erodium brachycarpum |
Short-fruited filaree |
| Euphorbia palmeri |
Woodland spurge |
| Fremontodendron californicum |
Flannelbush |
| Gayophytum diffusum |
Ground smoke |
| Geranium dissectum |
Cutleaf geranium |
| Geranium richardsonii |
Richardson's geranium |
| Gilia ochroleuca |
Volcanic gilia |
| Gilia ophthalmoides? |
Eyed gilia? |
| Gilia splendens ssp. grantii |
Grant's gilia |
| Guttierezia californica |
Matchweed |
| Helenium bigelovii |
Sneezeweed |
| Hemizonia pungens ssp. laevis |
Spikeweed |
| 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 |
Pumice alpinegold |
| Ivesia santolinoides |
Mousetail ivesia |
| Keckiella antirrhinoides |
Chaparral beard-tongue |
| Keckiella breviflora |
Gaping keckiella |
| Keckiella rothrockii var. jacintensis |
Mt. San Jacinto keckiella |
| Lastarriaea coriacea |
Leather spineflower |
| Lasthenia glabrata |
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 sinuatum? |
Statice |
| 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 nevadense |
Desert lomatium |
| Lonicera interrupta |
Chaparral honeysuckle |
| Lotus crassifolius |
Buck lotus |
| Lotus crassifolius var. otayensis |
Otay Mountain lotus |
| Lotus dendroideus |
Island broom |
| 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 |
Grape soda lupine |
| Lupinus hyacinthinus |
San Jacinto lupine |
| Lupinus lepidus var. confertus |
Brown-bannered lupine |
| Lupinus nanus |
Sky lupine |
| Malacothamnus davidsonii |
Bush mallow |
| Malacothamnus fremontii |
Fremont's bush mallow |
| Malva sylvestris |
High mallow |
| Mentzelia congesta? |
Clustered blazing star? |
| Mentzelia laevicaulis |
Blazing star |
| Mentzelia montana |
Mountain blazing star |
| Mentzelia veatchiana? |
Veatch's blazing-star? |
| Microseris douglasii |
Microseris |
| Mimulus aurantiacus |
Bush monkeyflower (red) |
| Mimulus floribundus |
Slimy monkeyflower |
| Mirabilis multiflora |
Giant four o'clock |
| Monardella australis |
Southern monardella |
| Monolepsis nuttalliana |
Poverty weed |
| Muilla maritima |
Common muilla |
| Nama rothrockii |
Blue balls |
| Navarretia hamata? |
Hooked navarretia? |
| Nemacladus pinnatifidus? |
Comb-leaved threadplant? |
| Nemacladus ramosissimum* |
Small-flowered threadplant |
| Nemophila menziesii |
Baby blue eyes |
| Nemophila menziesii var. integrifolia |
Small baby blue eyes |
| Nicotiana attenuata |
Coyote tobacco |
| Oncosiphon piluliferum |
Stink net |
| Opuntia Xvaseyi |
Vasey's prickly pear |
| Orobanche fasciculata |
Clustered broomrape |
| Orobanche parishii? |
Parish's broomrape? |
| Osmadenia tenella* |
Three-spot |
| Pedicularis semibarbata |
Lousewort |
| Penstemon caesius |
Purple mountain bugler |
| Penstemon grinnellii |
Grinnell's penstemon |
| Penstemon labrosus |
Mountain bugler |
| Penstemon laetus |
Gay penstemon |
| Penstemon rostriflorus |
Beaked penstemon |
| Penstemon speciosus |
Royal penstemon |
| Pentachaeta aurea* |
Golden-rayed pentachaeta |
| Perideridia parishii |
Parish'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 exilis |
Transvers Range phacelia |
| Phacelia mutabilis |
Changeable phacelia |
| Philadelphus microphyllus |
Littleleaf mock orange |
| Phlox austromontana |
Mountain phlox |
| Pinus lambertiana |
Sugar pine (cones) |
| Pinus monophylla |
Singleleaf pinyon pine |
| Plagiobothrys leptocladus |
Wire-stem popcorn flower |
| Poa atropurpurea |
San Bernardino bluegrass |
| Polygonum argyrocoleon |
Persian knotweed |
| Potentilla biennis? |
Biennial cinquefoil? |
| Potentilla wheeleri? |
Wheeler's cinquefoil? |
| Pseudotsuga macrocarpa |
Big-cone spruce (cone) |
| Pterospora andromedea |
Pine drops |
| Quercus chrysolepis |
Canyon live oak (leaves) |
| Quercus garryana |
Oregon oak (leaf) |
| Quercus kelloggii |
Black oak (leaf) |
| Quercus wislizenii |
Interior live oak (leaves) |
| Ranunculus occidentalis |
Western buttercup |
| Rhamnus pilosa |
Hairy-leaf redberry (fruit) |
| Rhamnus tomentella |
Hoary coffeeberry |
| Rhododendron occidentale |
Western azalea |
| Ribes cereum |
Wax currant |
| Ribes montigenum |
Mountain gooseberry |
| Ribes nevadense |
Sierra currant |
| Ribes nevadense |
Sierra currant (fruit) |
| Rosa woodsii |
Wood rose |
| Salix laevigata |
Red willow (leaves) |
| Salvia clevelandii |
Cleveland sage |
| Salvia pachyphylla |
Rose sage |
| Sanicula bipinnatifida |
Purple sanicle |
| Sanicula hoffmannii?* |
Hoffmann's sanicle? |
| 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 |
| 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 |
| Streptanthus bernardinus |
Laguna Mountain jewel-flower |
| Swertia neglecta |
Pine green gentain |
| Symphoricarpos rotundifolius |
Mountain snowberry |
| Taraxacum californicum |
California dandelion |
| Tetradymia canescens |
Spineless horsebrush |
| Thelypodium stenopetalum |
Slender-petaled thelypodium |
| Thermopsis macrophylla |
Golden pea |
| Trichostema parishii |
Parish's blue curls |
| Umbellularia californica |
Bay tree (fruit) |
| Veratrum californicum |
Corn lily |
| Veratrum californicum |
Corn lily (leaves) |
| Verbesina encelioides |
Crownbeard |
| Veronica americana |
American brooklime |
| Vicia ludoviciana |
Slim vetch |
| Viola douglasii |
Douglas' violet |
| Viola pinetorum |
Pine violet |
| Vitis girdiana |
Southern California grape |
| Washintonia robusta |
Mexican fan palm |
| Xyloccocus bicolor* |
Mission manzanita (post-fire) |