Home > Search the S&S Seeds Plant Database

Search the S&S Seeds Plant Database

You can run your search by scientific name, common name or plant characteristics.

Enter all or part of the scientific or common name, then click Search.

Species marked

are available for purchase online.

Search Filters

Name California Native Low Fuel Reset

California Range

Water Req.

Salt Tolerance

Life Cycle

Height

Plant Type

Flower Type

Flower Size

Flower Color

Inflorescence

Bloom Time

Characteristics

Search Results

A B C D E F G H I J K L M N O P Q R S T U V W X Y Z

566 total items.

A

Abronia maritima (Sand Verbena)
Abronia villosa (Hairy sand verbena)
Acacia redolens (Prostrate wattle)
Acamptopappus sphaerocephalus (Goldenhead)
Achillea filipendulina (Goldenleaf yarrow)
Achillea millefolium (White yarrow)
Achillea millefolium ssp. lanulosa (California Native Yarrow)
Acmispon americanus (Purshing, formerly Lotus purshianus)
Acmispon glaber (Deerweed, formerly Lotus scoparius)
Acmispon heermannii (Prostrate Wooly Lotus, formerly Lotus heermannii)
Acmispon junceus (Trefoil)
Acmispon maritimus (Coastal lotus, formerly Lotus salsuginosus)
Acmispon micranthus (San Diego lotus, formerly Lotus hamatus)
Acmispon strigosus (Strigose lotus, formerly Lotus strigosus)
Adenostoma fasciculatum (Chamise)
Adenostoma sparsifolium (Redshanks)
Agropyron cristatum (Crested wheatgrass)
Agrostis exarata (Bent grass)
Agrostis pallens (San Diego Bent grass)
Allium haematochiton (Red-skinned onion)
Allium praecox (Early onion)
Alyssum saxatile (Basket of Gold)
Ambrosia acanthicarpa (Bur weed)
Ambrosia chamissonis (Beach bur sage)
Ambrosia deltoidea (triangle leaf bur sage)
Ambrosia dumosa (Burro-weed)
Ambrosia psilostachya (Western ragweed)
Ambrosia salsola (Burrobrush, formerly Hymenoclea salsola)
Ammi majus (Bishop)
Amorpha californica (Mock locust)
Amsinckia intermedia (Common fiddleneck)
Amsinckia tessellata (Checker fiddleneck)
Anagallis arvensis f. caerulea (Pimpernel)
Anemopsis californica (Yerba mansa)
Anisocoma acaulis (Scale bud)
Antirrhinum coulterianum (White snapdragon)
Aquilegia vulgaris (Columbine)
Arctostaphylos patula (Manzanita)
Argemone corymbosa (Prickly poppy)
Argemone munita (Silvery prickly poppy)
Aristida adscensionis (Six-weeks three-awn)
Aristida purpurea (Purple Three Awn)
Aristida ternipes var. gentilis (Hook three-awn, formerly Aristida ternipes var. hamulosa)
Artemisia californica (California sagebrush)
Artemisia douglasiana (Mugwort)
Artemisia dracunculus (Tarragon sagebrush)
Artemisia palmeri (Tall sagebrush)
Artemisia pycnocephala (Coastal sagewort)
Artemisia tridentata (Great Basin sagebrush)
Asclepias californica (California milkweed)
Asclepias fascicularis (Narrow-leaf milkweed)
Asclepias tuberosa (Butterflyweed)
Aster novae-angliae (New England aster)
Aster tanacetifolius (Prairie aster)
Astragalus pomonensis (Pomona locoweed)
Atriplex argentea var. mohavensis (Silverscale)
Atriplex canescens (Four-wing saltbush)
Atriplex confertifolia (Shadscale)
Atriplex glauca (Gray saltbush)
Atriplex lentiformis (Quailbush)
Atriplex leucophylla (Sea scale)
Atriplex patula (Beach saltbush)
Atriplex polycarpa (Cattle spinach)
Atriplex semibaccata (Creeping saltbush)
Atriplex spinifera (Mojave saltbush)
Avena fatua (Wild Oat)
Avena sativa (Cultivated Oat)

B

Baccharis emoryi (Emory baccharis)
Baccharis pilularis (Chaparral broom)
Baccharis salicifolia (Seep willow)
Baccharis sarothroides (Broom baccharis)
Bahiopsis laciniata (San Diego sunflower, formerly Viguiera laciniata)
Baileya multiradiata (Desert marigold)
Baileya pleniradiata (Woolly marigold)
Bebbia juncea (Sweetbush)
Bloomeria crocea (Common goldenstar)
Bolboschoenus maritimus (Bulrush, formerly Scirpus maritimus)
Bolboschoenus robustus (Bull tule, formerly Scirpus robustus)
Bouteloua curtipendula (Side-oats grama)
Bouteloua gracilis (Blue grama)
Brickellia californica (Brickelbush)
Briza maxima (Rattlesnake grass)
Bromus carinatus (Caifornia Brome)
Bromus carinatus v. Cucamonga (Cucamunga Brome)
Bromus hordeaceus (Blando brome)
Buchloe dactyloides (Buffalo grass)

C

Cakile edentula (Sea rocket)
Cakile maritima (Sea rocket)
Calandrinia ciliata (Red maids)
Calendula officinalis (Pot marigold)
Calochortus splendens (Lilac mariposa)
Calystegia macrostegia (Wild morning glory)
Camissoniopsis bistorta (California sun cup)
Camissoniopsis cheiranthifolia (Beach evening primrose)
Camissoniopsis micrantha (Small primrose)
Camissoniopsis pallida (White evening primrose)
Cardionema ramosissimum (Sand mat)
Carex praegracilis (Clustered Field Sedge)
Carex spissa (Sawgrass sedge)
Cassia artemisioides (Silver cassia)
Cassia fasciculata (Partridge-pea)
Cassia nemophila (Desert cassia)
Cassia odorata (Southern cassia)
Castilleja exserta (Purple Owl's Clover)
Ceanothus crassifolius (Hoaryleaf ceanothus)
Ceanothus cuneatus (Buckbrush)
Ceanothus impressus (Santa Barbara ceanothus)
Ceanothus intergerrimus (Deer brush)
Ceanothus megacarpus (Big pod ceanothus)
Ceanothus spinosus (Greenbark ceanothus)
Ceanothus tomentosus (Woollyleaf ceanothus)
Centranthus ruber (Red valerian)
Cerastium biebersteinii (Mouse-ear chickweed)
Cercidium floridum (Blue palo verde)
Cercidium microphyllum (Littleleaf palo verde)
Cercis occidentalis (Western redbud)
Cercocarpus betuloides (Mountain mahogany)
Cercocarpus ledifolius (Curl-leaf mahogany)
Cercocarpus minutiflorus (San Diego mountain mahogany)
Chaenactis artemisiifolia (Artemisia pincushion)
Chaenactis glabriuscula (Yellow pincushion)
Chaenactis stevioides (Desert pincushion)
Chilopsis linearis (Desert willow)
Chorizanthe staticoides (Turkish rugging)
Chrysanthemum carinatum (Painted daisy)
Chrysanthemum leucanthemum (Oxeye daisy)
Chrysanthemum maximum (Shasta daisy)
Chrysanthemum multicaule (Yellow clump daisy)
Chrysanthemum paludosum (White clump daisy)
Chrysothamnus nauseosus (Rubber rabbitbush)
Cichorium intybus (Chicory)
Cistus creticus (Rock rose)
Clarkia amoena (Farewell-to-spring)
Clarkia bottae (Punch-bowl godetia)
Clarkia purpurea (Winecup clarkia)
Clarkia rubicunda (Ruby Chalice Clarkia)
Clarkia unguiculata (Mountain garland)
Claytonia perfoliata (Miner)
Clematis lasiantha (Pipestems)
Cneoridium dumosum (Bushrue)
Collinsia heterophylla (Chinese houses)
Comarostaphylis diversifolia (Summer holly)
Coreopsis bigelovii (Coreopsis)
Coreopsis calliopsidea (Leptosyne calliopsidea, Leafstem Tickseed)
Coreopsis gigantea (Leptosyne gigantea, Tree coreopsis)
Coreopsis lanceolata (Lance leaf coreopsis)
Coreopsis tinctoria (Plains coreopsis)
Corethrogyne filaginifolia (California aster, formerly Lessingia filaginifolia)
Coronilla varia (Crown vetch)
Cosmos bipinnatus (Garden cosmos)
Cosmos sulphureus (Yellow cosmos)
Cotula coronopifolia (Brass-buttons)
Cressa truxillensis (Alkali weed )
Croton californicus (California croton)
Croton setigerus (Turkey mullein, formerly Eremocarpus setigerus)
Cryptantha muricata (Prickly popcorn flower)
Curcurbita foetidissima (Calabazilla)
Cynodon dactylon (Bermudagrass)
Cyperus eragrostis (Nutsedge)

D

Dactylis glomerata (Orchard grass)
Danthonia californica (California oatgrass)
Datisca glomerata (Durango root)
Datura wrightii (Jimson weed)
Deinandra fasciculata (Fascicled tarweed, formerly Hemizonia fasciculata)
Deinandra paniculata (San Diego tarweed, formerly Hemizonia paniculata)
Delphinium ajacis (Rocket larkspur)
Dendromecon rigida (Bush poppy)
Deschampsia cespitosa (Tufted hairgrass)
Deschampsia danthonoides (Annual hairgrass)
Deschampsia elongata (Slender hairgrass)
Deschampsia holciformis (Hairgrass)
Dianthus barbatus (Sweet william)
Dichelostemma capitatum (Blue dicks)
Digitalis purpurea (Foxglove)
Dimorphotheca pluvialis (White daisy)
Dimorphotheca sinuata (African daisy)
Distichlis spicata var. stricta (Saltgrass)
Dodecatheon clevelandii (Shooting star)

E

Echinacea pallida (Coneflower)
Echinacea purpurea (Purple coneflower)
Echinochloa crusgalli var. frumentacea (Barnyard grass)
Echium fastuosum (Pride of madiera)
Eleocharis macrostachya (Common spikerush)
Elymus condensatus (Giant wild rye, formerly Leymus condensatus)
Elymus elymoides (Bottlebrush squirreltail)
Elymus glaucus (Blue wildrye)
Elymus multisetus (Big squirreltail)
Elymus trachycaulus (Slender wheatgrass)
Elymus triticoides (Creeping wild rye, formerly Leymus triticoides)
Emex spinosa (Devil)
Encelia actoni (Acton encelia)
Encelia californica (Bush sunflower)
Encelia farinosa (Brittlebush)
Ephedra nevadensis (Ephedra)
Ephedra viridis (Green ephedra)
Epilobium ciliatum (Fireweed)
Eragrostis curvula (Weeping lovegrass)
Eremocarpus setigerus (Croton setigerus, Turkey mullein)
Eriastrum densifolium (Perennial eriastrum)
Ericameria cooperi (Cooper goldenbush)
Ericameria ericoides (Pine goldenbush)
Ericameria linearifolia (Interior goldenbush)
Ericameria palmeri (Palmer)
Ericameria pinifolia (Pine-bush)
Eriodictyon crassifolium (Thick-leaved yerba santa)
Eriodictyon traskiae (Trask)
Eriodictyon trichocalyx (Hairy yerba santa)
Eriogonum cinereum (Ashyleaf buckwheat)
Eriogonum davidsonii (Davidson buckwheat)
Eriogonum fasciculatum (California buckwheat)
Eriogonum gracile (Slender buckwheat)
Eriogonum latifolium (Coast buckwheat)
Eriogonum parvifolium (Sea cliff buckwheat)
Eriogonum umbellatum (Sulfer buckwheat)
Eriophyllum confertiflorum (Golden yarrow)
Eriophyllum staechadifolium (Seaside woolly sunflower)
Erodium cicutarium (Red-stem filaree)
Erysimum menziesii (Wallflower)
Erysimum suffrutescens (Coast wallflower)
Eschscholzia caespitosa (Dwarf California poppy)
Eschscholzia californica (California poppy)
Eschscholzia californica ssp. mexicana (Mexican poppy)
Eschscholzia maritima (Coast California poppy)

F

Festuca arundinacea (Tall fescue)
Festuca californica (California fescue)
Festuca idahoensis (Idaho fescue)
Festuca longifolia (Hard fescue)
Festuca microstachys (Small fescue)
Festuca myuros (Zorro annual fescue)
Festuca occidentalis (Western fescue)
Festuca octoflora (Six weeks fescue)
Festuca ovina (Sheep fescue)
Festuca rubra molate (Red fescue molate)
Frangula californica (California coffeeberry, formerly Rhamnus californica)
Frankenia salina (Alkali heath)
Fremontodendron californicum (Flannelbush)

G

Gaillardia aristata (Blanketflower)
Gaillardia pulchella (Indian blanket)
Galium angustifolium (Narrow-leaved bedstraw)
Galium aparine (Goose grass)
Gazania Burgundy (Gazania Spl. Sparkling Burg.) (Sparkling Burgundy Gazania)
Gazania Lavender (Gazania Splendens Lavender) (Lavender Gazania)
Gazania sp. (Dwarf clumping gazania)
Gazania splendens (Gazania)
Gilia capitata (Globe gilia)
Gilia leptantha (Blue Gilia)
Gilia tricolor (Birds Eyes)
Gnaphalium bicolor (Pseudognaphalium biolettii, Two-tone everlasting)
Gnaphalium californicum (Pseudognaphalium californicum, California everlasting)
Gnaphalium canescens (Pseudognaphalium canescens, Fragrant everlasting)
Gnaphalium microcephalum (White everlasting)
Gnaphalium stramineum (Cotton-batting plant)
Grayia spinosa (Hop-sage)
Grindelia hirsutula (Gum plant)
Grindelia stricta (Gum plant)
Grindelia stricta var. platyphylla (Marsh gum plant)
Gutierrezia californica (California matchweed)
Gutierrezia sarothrae (Broom snakeweed)

H

Hazardia squarrosa (Common hazardia)
Helianthemum mutabile (Sunrose)
Helianthemum scoparium (Peak rush-rose)
Helianthus annuus (Common sunflower)
Helianthus gracilentus (Slender sunflower)
Helianthus maximiliani (Maximillian sunflower)
Heliotropium curassavicum (Wild heliotrope)
Hemizonia fasciculata (Deinandra fasciculata, Fascicled tarweed)
Hemizonia paniculata (Deinandra paniculata, San Diego tarweed)
Hesperoyucca whipplei (Our Lord’s Candle, formerly Yucca whipplei)
Heteromeles arbutifolia (Toyon)
Heterotheca grandiflora (Telegraph weed)
Hilaria jamesii (Galleta, formerly Pleuraphis jamesii)
Hilaria rigida (Big galleta, formerly Pleuraphis rigida)
Hordeum brachyantherum (Meadow barley)
Hordeum brachyantherum californicum (California Barley)
Hordeum depressum (Alkali Barley)
Hordeum intercedens (Little Barley)
Hordeum jubatum (Foxtail barley)
Hordeum vulgare (Common barley)
Horkelia cuneata (Horkelia)
Hymenoclea salsola (Ambrosia salsola, Burrobrush)
Hyptis emoryi (Desert lavender)

I

Iberis umbellata (Globe candytuft)
Ipomopsis rubra (Texas plume)
Ipomopsis tenuifolia (Slender-leaved ipomopsis)
Iris missouriensis (Western blue flag)
Isocoma menziesii (Coast goldenbush)
Isomeris arborea (Peritoma arborea, Bladderpod)
Iva hayesiana (San Diego poverty weed)

J

Juncus acutus (Spiny rush)
Juncus bufonius (Toad rush)
Juncus mexicanus (Mexican rush)

K

Keckiella antirrhinoides (Yellow penstemon)
Keckiella cordifolia (Heart-leafed penstemon)
Koeleria macrantha (Junegrass)
Krascheninnikovia lanata (Winter fat)

L

Larrea tridentata (Creosote bush)
Lasthenia californica (Dwarf goldfields)
Lasthenia coronaria (Southern goldfields)
Lasthenia glabrata (Goldfields)
Lathyrus latifolius (Perennial sweet pea)
Layia glandulosa (White layia)
Layia platyglossa (Tidy-tips)
Lepidium fremontii (Desert alyssum)
Lepidium nitidum (Shining peppergrass)
Lepidospartum squamatum (Scale broom)
Leptosyne calliopsidea (Leafstem Tickseed, formerly Coreopsis calliopsidea)
Leptosyne gigantea (Tree coreopsis, formerly Coreopsis gigantea)
Lessingia filaginifolia (Corethrogyne filaginifolia, California aster)
Leymus condensatus (Elymus condensatus, Giant wild rye)
Leymus triticoides (Elymus triticoides, Creeping wild rye)
Liatris pycnostachya (Gay-feather)
Liatris spicata (Spiked gayfeather)
Limonium californicum (Western marsh-rosemary)
Limonium perezii (Sea lavender)
Limonium sinuatum (Statice)
Linanthus grandiflorus (Large-flower linanthus)
Linanthus parryae (Linanthus)
Linaria maroccana (Toadflax)
Linaria reticulata (Purple-net toadflax)
Linum grandiflorum var. rubrum (Scarlet flax)
Linum lewisii (Blue flax)
Lobularia maritima (Sweet alyssum)
Lolium multiflorum (Annual ryegrass)
Lolium perenne (Perennial ryegrass)
Lotus corniculatus (Birdfoot trefoil)
Lotus hamatus (Acmispon micranthus, San Diego lotus)
Lotus heermannii (Acmispon heermannii, Prostrate Wooly Lotus)
Lotus junceus (Trefoil)
Lotus purshianus (Acmispon americanus, Purshing)
Lotus salsuginosus (Acmispon maritimus, Coastal lotus)
Lotus scoparius (Acmispon glaber, Deerweed)
Lotus strigosus (Acmispon strigosus, Strigose lotus)
Lupinus albicaulis (Sickle keeled lupine)
Lupinus albifrons (Silver lupine)
Lupinus arboreus (Bush lupine)
Lupinus arizonicus (Arizona lupine)
Lupinus benthamii (Spider lupine)
Lupinus bicolor (Miniature lupine)
Lupinus chamissonis (Dune bush lupine)
Lupinus concinnus (Bajada lupine)
Lupinus excubitus (Grape soda lupine)
Lupinus formosus (Summer lupine)
Lupinus hirsutissimus (Stinging lupine)
Lupinus longifolius (Bush lupine)
Lupinus luteus (Yellow lupine)
Lupinus microcarpus 'EdGedling' (Ed Gedling Lupine)
Lupinus microcarpus var. densiflorus (Golden lupine)
Lupinus microcarpus var. microcarpus (Chick lupine)
Lupinus nanus (Sky lupine)
Lupinus odoratus (Mojave lupine)
Lupinus perennis (Sundial lupine)
Lupinus polyphyllus (Russell hybrid lupine)
Lupinus sparsiflorus (Loosely flowered annual lupine)
Lupinus succulentus (Arroyo lupine)
Lupinus texensis (Texas bluebonnet)
Lupinus truncatus (Nuttall)
Lycium andersonii (Anderson thornbush)
Lycium cooperi (Peach thorn)

M

Madia elegans (Common madia)
Malacothamnus fasciculatus (Chaparral mallow)
Malacothrix glabrata (Desert dandelion)
Malacothrix incana (Dunedelion)
Malacothrix saxatilis (Cliff aster)
Malosma laurina (Laurel sumac)
Malvella leprosa (Alkali-mallow)
Marah macrocarpa (Wild cucumber)
Marrubium vulgare (Horehound)
Melica californica (California melic)
Melica imperfecta (Coast range melic)
Melinis repens (Natal grass, formerly Rhynchelytrum repens)
Mentzelia albicaulis (Small-flowered blazing star)
Mentzelia micrantha (Stick-leaf blazing star)
Mimulus aurantiacus (Sticky monkey flower (Mimulus aurantiacus ssp. aur)
Mimulus bigelovii (Desert monkeyflower)
Mimulus brevipes (Yellow monkeyflower)
Mimulus cardinalis (Scarlet monkeyflower)
Mimulus clevelandii (Cleveland)
Mimulus guttatus (Seep monkeyflower)
Mimulus longiflorus (Sticky monkeyflower)
Mimulus puniceus (Mission red monkeyflower)
Mirabilis californica (Mirabilis laevis var. crassifolia, Wishbone bush)
Mirabilis laevis var. crassifolia (Wishbone bush, formerly Mirabilis californica)
Monarda citriodora (Lemon mint)
Monolopia lanceolata (Monolopia)
Muhlenbergia microsperma (Littleseed muhly)
Muhlenbergia rigens (Deergrass)

N

Nassella cernua (Stipa cernua, Nodding needlegrass)
Nassella lepida (Stipa lepida, Foothill needlegrass)
Nassella pulchra (Stipa pulchra, Purple needlegrass)
Nasturtium officinale (Water cress, formerly Rorippa nasturtium-aquaticum)
Navarretia hamata (Hooked navarettia)
Nemophila maculata (Fivespot)
Nemophila menziesii (Baby blue eyes)
Nicotiana bigelovii (Indian tobacco)

O

Oenothera californica (California evening primrose)
Oenothera deltoides (Devil)
Oenothera elata ssp. hookeri (Monterey evening primrose)
Oenothera lamarkiana (Evening primrose)
Oenothera missouriensis (Missouri primrose)
Oenothera speciosa (Showy evening primrose)
Olneya tesota (Ironwood)
Opuntia littoralis (Coast prickly pear)

P

Papaver nudicaule (Iceland poppy)
Papaver rhoeas (Flanders Poppy)
Parkinsonia aculeata (Mexican palo verde)
Pennisetum setaceum (Fountain grass)
Pennisetum villosum (Feather top)
Penstemon barbatus (Breadlip penstemon)
Penstemon centranthifolius (Scarlet bugler)
Penstemon newberryi (Pride of the mountains)
Penstemon parryii (Beardtongue)
Penstemon speciosus (Showy penstemon)
Penstemon spectabilis (Royal penstemon)
Penstemon strictus (Rocky Mountain penstemon)
Peritoma arborea (Bladderpod, formerly Isomeris arborea)
Perityle emoryi (Rock daisy)
Petalonyx thurberi (Sandpaper plant)
Petalostemon purpurea (Purple prairie clover)
Phacelia campanularia (California Bluebells (Desert Bluebells))
Phacelia cicutaria (Caterpillar phacelia)
Phacelia distans (Fern-leaf phacelia)
Phacelia egena (California phacelia)
Phacelia fremontii (Yellow throats)
Phacelia grandiflora (Large-flowered phacelia)
Phacelia imbricata (Mountain phacelia)
Phacelia minor (Wild bluebells)
Phacelia ramosissima (Branching phacelia)
Phacelia tanacetifolia (Lacy-leaved phacelia)
Phlox drummondii (Drummond phlox)
Plantago erecta (Dotseed Plantain)
Plantago insularis (Plantain)
Plantago sempervirens (Evergreen plantain)
Pleuraphis jamesii (Hilaria jamesii, Galleta)
Pleuraphis rigida (Hilaria rigida, Big galleta)
Pluchea odorata (Salt marsh fleabane)
Pluchea sericea (Arrow weed)
Poa compressa (Canadian bluegrass)
Poa secunda (Pine bluegrass)
Polygonum punctatum (Water smartweed)
Polypogon monspeliensis (Annual beard grass)
Prosopis glandulosa (Mesquite)
Prunus fasciculata (Desert almond)
Pseudognaphalium biolettii (Two-tone everlasting, formerly Gnaphalium bicolor )
Pseudognaphalium californicum (California everlasting, formerly Gnaphalium californicum)
Pseudognaphalium canescens (Fragrant everlasting, formerly Gnaphalium canescens)
Pseudognaphalium microcephalum (White everlasting, formerly Gnaphalium microcephalum)
Pseudognaphalium stramineum (Cotton-batting plant)
Psilostrophe cooperi (Paperflower)
Psorothamnus spinosa (Smoke tree)
Purshia tridentata (Antelope bush)

Q

Quercus agrifolia (Coast live oak)
Quercus berberidifolia (Scrub oak)

R

Ratibida columnaris (Prairie coneflower)
Ratibida pinnata (Gray-headed prairie coneflower)
Rhamnus californica (Frangula californica, California coffeeberry)
Rhamnus crocea (Spiny redberry)
Rhamnus ilicifolia (Red-berried buckthorn)
Rhus aromatica (Skunkbrush, formerly Rhus trilobata)
Rhus integrifolia (Lemonade berry)
Rhus ovata (Sugar bush)
Rhus trilobata (Rhus aromatica, Skunkbrush)
Rhynchelytrum repens (Melinis repens, Natal grass)
Ribes californicum (Hillside gooseberry)
Ribes speciosum (Fuchsia-flowered gooseberry)
Romneya coulteri (Matilija poppy)
Rorippa nasturtium-aquaticum (Nasturtium officinale, Water cress)
Rosa californica (California rose)
Rudbeckia amplexicaulis (Clasping coneflower)
Rudbeckia hirta (Black-eyed susan)
Rumex crispus (Curly dock)
Rumex salicifolius (Willow dock)

S

Salazaria mexicana (Bladder sage)
Salicornia pacifica (Pickleweed, formerly Salicornia virginica)
Salicornia virginica (Salicornia pacifica, Pickleweed)
Salvia apiana (White sage)
Salvia carduacea (Thistle sage)
Salvia clevelandii (Fragrant sage)
Salvia coccinea (Scarlet sage)
Salvia columbariae (Chia)
Salvia dorrii (Blue sage)
Salvia leucophylla (Purple sage)
Salvia mellifera (Black sage)
Salvia officinalis (Common sage)
Sambucus mexicana (Sambucus nigra, Blue elderberry)
Sambucus nigra (Blue elderberry, formerly Sambucus mexicana)
Schismus barbatus (Mediterranean grass)
Schizachyrium scoparium (Little bluestem)
Schoenoplectus acutus (Hard-stem bulrush, formerly Scirpus acutus)
Schoenoplectus americanus (Three square, formerly Scirpus americanus)
Schoenoplectus californicus (California bulrush, formerly Scirpus californicus)
Scirpus acutus (Schoenoplectus acutus, Hard-stem bulrush)
Scirpus americanus (Schoenoplectus americanus, Three square)
Scirpus californicus (Schoenoplectus californicus, California bulrush)
Scirpus maritimus (Bolboschoenus maritimus, Bulrush)
Scirpus robustus (Bolboschoenus robustus, Bull tule)
Scrophularia atrata (Black-flowered figwort)
Scrophularia californica (California figwort)
Senecio blochmaniae (Grounsel)
Senecio flaccidus (Bush senecio)
Senna armata (Spiny senna)
Silene armeria (Catchfly)
Silene pendula (Nodding catchfly)
Sisyrinchium bellum (Blue-eyed grass)
Sisyrinchium californicum (Golden-eyed grass)
Solanum douglasii (White nightshade)
Solanum xantii (Purple nightshade)
Solidago californica (Solidago velutina ssp. californica, California goldenrod)
Solidago confinis (Southern goldenrod)
Solidago velutina ssp. californica (California goldenrod, formerly Solidago californica)
Sparganium eurycarpum var. greenei (Bur-reed)
Sphaeralcea ambigua (Desert mallow)
Sphaeralcea coccinea (Prairie mallow)
Sporobolus airoides (Alkali sacaton)
Sporobolus cryptandrus (Sand dropseed)
Stipa cernua (Nodding needlegrass, formerly Nassella cernua)
Stipa coronata (Giant stipa)
Stipa hymenoides (Rice grass, formerly Achnatherum hymenoides)
Stipa lepida (Foothill needlegrass, formerly Nassella lepida)
Stipa pulchra (Purple needlegrass, formerly Nassella pulchra)
Stipa speciosa (Desert needlegrass, formerly Achnatherum speciosum)
Suaeda moquinii (Suaeda nigra, Bush seepweed)
Suaeda nigra (Bush seepweed, formerly Suaeda moquinii)

T

Tagetes patula (French marigold)
Tetradymia axillaris (Longspine horsebrush)
Tetradymia comosa (Cotton-thorn)
Tetradymia spinosa (Spiny cotton-thorn)
Thalictrum polycarpum (Meadow rue)
Thunbergii alata (Black-eyed susan vine)
Thymus serphyllum (Creeping thyme)
Thymus vulgaris (Common thyme)
Toxicodendron diversilobum (Poison oak)
Trichostema lanatum (Woolly blue curls)
Trifolium albopurpureum (Rancheria clover)
Trifolium ciliolatum (Tree clover)
Trifolium fragiferum (Strawberry clover)
Trifolium gracilentum (Pin-point clover)
Trifolium hirtum (Rose clover)
Trifolium incarnatum (Crimson clover)
Trifolium microcephalum (Maiden clover)
Trifolium obtusiflorum (Creek clover)
Trifolium pratense (Red clover)
Trifolium repens (White clover)
Trifolium subterraneum (Subterranean clover)
Trifolium tridentatum (Trifolium willdenovii, Tomcat clover)
Trifolium willdenovii (Tomcat clover, formerly Trifolium tridentatum)
Tropaeolum majus (Garden nasturtium)
Typha domingensis (Narrow-leaved cat-tail)
Typha latifolia (Broad-leaved cat-tail)

U

Urtica dioica ssp. holosericea (Stinging nettle)

V

Vaccaria pyramidata (Cow herb)
Venegasia carpesioides (Canyon sunflower)
Verbena lasiostachys (Common vervain)
Verbena tenuisecta (Moss verbena)
Vicia benghalensis (Purple vetch)
Vicia dasycarpa (Winter vetch)
Viguiera laciniata (Bahiopsis laciniata, San Diego sunflower)
Vitis girdiana (Desert wild grape)
Vulpia microstachys (Small fescue)
Vulpia myuros v. hirsuta (Zorro annual fescue)
Vulpia octoflora (Six weeks fescue)

X

Xylococcus bicolor (Mission manzanita)
Xylorhiza tortifolia (Desert aster)

Y

Yucca brevifolia (Joshua tree)
Yucca schidigera (Mojave yucca)
Yucca whipplei (Hesperoyucca whipplei, Our Lord’s Candle)

Z

Zinnia grandiflora (Golden zinnia)