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13,757 Plants, page 1 of 7
- S Bonnet Granny: Aquilegia vulgaris
- S Curve Threeawn: Aristida ramosissima
- S Trumpet Devil: Datura stramonium var. stramonium
- S Whiskers Grandfather: Cleome hassleriana
- S-Curve Threeawn: Aristida ramosissima
- Saat Esparsette: Onobrychis viciifolia
- Saat Platterbse: Lathyrus sativus
- Saba Banana: Musa × paradisiaca ’Saba’
- Saba Daylily: Hemerocallis ’Saba’
- Sabaigrass: Eulaliopsis binata
- Sabal Palm: Sabal ’Birmingham’, Sabal palmetto, Sabal ’Riverside’
- Sabbath Daylily: Hemerocallis ’Sabbath’
- Sabbath Eve Daylily: Hemerocallis ’Sabbath Eve’
- Sabbath Rest Daylily: Hemerocallis ’Sabbath Rest’
- Sabbath Wine Daylily: Hemerocallis ’Sabbath Wine’
- Saber Bogmat: Wolffiella oblonga
- Saber Dance Daylily: Hemerocallis ’Saber Dance’
- Sabertooth Hosta: Hosta ’Sabertooth’
- Sabie Daylily: Hemerocallis ’Sabie’
- Sabies Charm Daylily: Hemerocallis ’Sabie’s Charm’
- Sabin’s Lupine: Lupinus sabinianus
- Sabinal Prairie Clover: Dalea sabinalis
- Sabinal Prairie-Clover: Dalea sabinalis
- Sabinal Prairieclover: Dalea sabinalis
- Sabine: Psidium cattleianum
- Sabine Baur Daylily: Hemerocallis ’Sabine Baur’
- Sabine Callarec Daylily: Hemerocallis ’Sabine Callarec’
- Sabine River Wakerobin: Trillium gracile
- Sabine’s Lupine: Lupinus sabinianus
- Sabino: Taxodium mucronatum
- Sabinon: Croton poecilanthus
- Sable Night Daylily: Hemerocallis ’Sable Night’
- Sable Night Tall Bearded Iris: Iris ’Sable Night’
- Sable Song Daylily: Hemerocallis ’Sable Song’
- Sable Style Daylily: Hemerocallis ’Sable Style’
- Sable Tall Bearded Iris: Iris ’Sable’
- Saboarana: Swartzia laevicarpa
- Saboarana Branca: Swartzia laevicarpa
- Sabot Boeuf: Bauhinia variegata
- Sabot Boeuf Rouge: Bauhinia galpinii, Bauhinia ungulata
- Sabot De La Virge: Cypripedium calceolus
- Sabra Salina Daylily: Hemerocallis ’Sabra Salina’
- Sabra Spike Sage: Salvia confertiflora
- Sabuarana: Dalbergia spruceana
- Sabueira: Senna multijuga
- Sacahuista: Capsicum annuum L. var. glabriusculum (Dunal) Heiser and Picke, Nolina microcarpa, Nolina texana
- Sacahuista Bear-grass: Capsicum annuum L. var. glabriusculum (Dunal) Heiser and Picke, Nolina microcarpa
- Sacamatraca: Peniocereus striatus
- Sacapellote: Acourtia microcephala
- Sacasil: Echinocereus poselgeri, Opuntia chaffeyi
- Sacasile: Anredera vesicaria
- Sacatinta: Indigofera suffruticosa, Indigofera suffruticosa suffruticosa
- Sacatrapo: Caperonia palustris
- Sacha Mango: Grias neuberthii
- Sachertorte Daylily: Hemerocallis ’Sachertorte’
- Sachet of Lavender Daylily: Hemerocallis ’Sachet Of Lavender’
- Sachet of Lemon Daylily: Hemerocallis ’Sachet Of Lemon’
- Sachsen Little Eye Daylily: Hemerocallis ’Sachsen Little Eye’
- Sachsen Masterpiece Daylily: Hemerocallis ’Sachsen Masterpiece’
- Sachsen Pink Diamond Daylily: Hemerocallis ’Sachsen Pink Diamond’
- Sachsen Purple Eye Daylily: Hemerocallis ’Sachsen Purple Eye’
- Sachsen Red Double Daylily: Hemerocallis ’Sachsen Red Double’
- Sachsen Ruffled Ball Daylily: Hemerocallis ’Sachsen Ruffled Ball’
- Sack Saltbush: Atriplex argentea, Atriplex saccaria
- Sack Saltweed: Atriplex argentea, Atriplex saccaria
- Sacky Sac Bean: Inga laurina
- Saco Daylily: Hemerocallis ’Saco’
- Sacra Hosta: Hosta sacra
- Sacramento Blackfish: Stachytarpeta indica
- Sacramento Bur: Triumfetta semitriloba
- Sacramento Burrbark: Triumfetta semitriloba
- Sacramento Crape Myrtle Lagerstroemia: Lagerstroemia ’Sacramento’
- Sacramento Cryptantha: Cryptantha crinita
- Sacramento Cycladenia: Cycladenia humilis
- Sacramento Daylily: Hemerocallis ’Sacramento’
- Sacramento Mesamint: Pogogyne ziziphoroides, Pogogyne zizyphoroides
- Sacramento Mint: Pogogyne zizyphoroides
- Sacramento Mountain Fleabane: Erigeron rybius
- Sacramento Mountain Foxtail Ca: Escobaria villardii
- Sacramento Mountain Foxtail Cactus: Escobaria villardii
- Sacramento Mountain Indian Pai: Castilleja wootonii
- Sacramento Mountain Indian Paintbrush: Castilleja wootonii
- Sacramento Mountain Indian-Paintbrush: Castilleja wootonii
- Sacramento Mountain Thistle: Cirsium vinaceum
- Sacramento Mountains Thistle: Cirsium vinaceum
- Sacramento Orcutt Grass: Orcuttia viscida
- Sacramento Pogogyne: Pogogyne zizyphoroides
- Sacramento Prickly-Poppy: Argemone pleiacantha pinnatisecta
- Sacramento Ragwort: Senecio sacramentanus
- Sacramento Rosa: Rosa stellata
- Sacramento Rose-Mallow: Hibiscus lasiocarpus
- Sacramento Saltbush: Atriplex persistens
- Sacramento Valley Buttercup: Ranunculus canus
- Sacramento Waxy-Dogbane: Cycladenia humilis
- Sacramento Waxydogbane: Cycladenia humilis, Cycladenia humilis var. humilis, Cycladenia humilis var. venusta
- Sacred Bali Bamboo: Schizostachyum brachycladum
- Sacred Bamboo: Nandina domestica, Nandina domestica ’Harbour Dwarf’
- Sacred Buddhist: Wrightia religiosa
- Sacred Circle Daylily: Hemerocallis ’Sacred Circle’
- Sacred Datura: Datura innoxia, Datura inoxia, Datura wrightii, Datura wrightii hort.
- Sacred Drummer Daylily: Hemerocallis ’Sacred Drummer’
- Sacred Ficus: Ficus religiosa
- Sacred Fig: Ficus religiosa
- Sacred Fir: Abies religiosa
- Sacred Flower of the Incas: Cantua buxifolia
- Sacred Garlic Pear: Crateva religiosa
- Sacred Incan Sage: Salvia dombeyi
- Sacred Jasmine: Jasminum sambac, Jasminum sambac ’Belle of India’, Jasminum sambac ’Grand Duke of Tuscany’, Jasminum sambac ’Maid of Orleans’
- Sacred Lily: Rohdea japonica, Rohdea japonica ’Yattazu Yan Jaku’
- Sacred Lotus: Nelumbo nucifera, Nelumbo nucifera var. lutea
- Sacred Palm: Areca guppyana
- Sacred Shield Daylily: Hemerocallis ’Sacred Shield’
- Sacred Song Daylily: Hemerocallis ’Sacred Song’
- Sacred Thorn-Apple: Datura wrightii, Datura wrightii hort.
- Sacred Thornapple: Datura wrightii, Datura wrightii hort.
- Sacred Tobacco: Nicotiana rustica
- Sacred Water Lily: Nelumbo nucifera, Nelumbo nucifera ’Perry’s Giant Sunburst’
- Sacred Way Daylily: Hemerocallis ’Sacred Way’
- Sacremento Bur Triumfetta Semitriloba: Triumfetta semitriloba
- Sad Glider: Nautilocalyx harleyi
- Sad Tree: Nyctanthes arbor-tristis
- Saddle Mountain Bittercress: Cardamine pattersonii
- Saddle Mountain Saxifrage: Saxifraga hitchcockiana
- Saddled Parrotfish: Hymenostomum perpusillum
- Sadi Hosta: Hosta ’Sadi’
- Sadie Lou Daylily: Hemerocallis ’Sadie Lou’
- Saelania Moss: Saelania glaucescens
- Saena: Caesalpinia eriostachys
- Safa: Magnolia champaca, Michelia alba
- Safari Boy Intermediate Bearded Iri: Iris ’Safari Boy’
- Safari Goldstrike Leucadendron: Leucadendron overig ’Safari Goldstrike’
- Safari Queen Marigold: Tagetes patula ’Safari Queen’
- Safari Tangerine Marigold.: Tagetes patula ’Safari Tangerine’
- Safari Yellow Marigold: Tagetes patula ’Safari Yellow’
- Safed Musli: Chlorophytum borivilianum
- Safety Flare Daylily: Hemerocallis ’Safety Flare’
- Safflower: Carthamus tinctorius, Carthamus tinctorius ’Grenade Mix’, Carthamus tinctorius ’Magestic Orange’
- Safford’s Lellingeria: Lellingeria saffordii
- Saffron And Spice Daylily: Hemerocallis ’Saffron And Spice’
- Saffron Beauty Daylily: Hemerocallis ’Saffron Beauty’
- Saffron Crocus: Crocus sativus, Crocus sativus ’Cashmerianus’
- Saffron Flame Tall Bearded Iris: Iris ’Saffron Flame’
- Saffron Glow Daylily: Hemerocallis ’Saffron Glow’
- Saffron Groundsel: Packera crocata
- Saffron Plum: Sideroxylon celastrinum
- Saffron Ragwort: Packera crocata
- Saffron Robes Daylily: Hemerocallis ’Saffron Robes’
- Saffron Star Daylily: Hemerocallis ’Saffron Star’
- Saffron Summer Daylily: Hemerocallis ’Saffron Summer’
- Saffron Thistle: Carthamus lanatus, Carthamus lanatus baeticus
- Saffron Thistle Carthamus Lanatus: Carthamus lanatus
- Saffron-Flower Lupine: Lupinus croceus var. pilosellus
- Safrano Glenn Dale Azalea: Rhododendron ’Safrano’
- Sagae Hosta: Hosta ’Sagae’
- Sagamore Alex Shorts Daylily: Hemerocallis ’Sagamore Alex Shorts’
- Sagamore Amy Mailhoit Daylily: Hemerocallis ’Sagamore Amy Mailhoit’
- Sagamore Andrea Tavares Daylily: Hemerocallis ’Sagamore Andrea Tavares’
- Sagamore Beth Weston Daylily: Hemerocallis ’Sagamore Beth Weston’
- Sagamore Betty Laughlin Daylily: Hemerocallis ’Sagamore Betty Laughlin’
- Sagamore Bob Pelletier Daylily: Hemerocallis ’Sagamore Bob Pelletier’
- Sagamore Brian Johnson Daylily: Hemerocallis ’Sagamore Brian Johnson’
- Sagamore Carl Swanson Daylily: Hemerocallis ’Sagamore Carl Swanson’
- Sagamore Chris Mailhoit Daylily: Hemerocallis ’Sagamore Chris Mailhoit’
- Sagamore Chris Mercier Daylily: Hemerocallis ’Sagamore Chris Mercier’
- Sagamore Colin Weston Daylily: Hemerocallis ’Sagamore Colin Weston’
- Sagamore Corey Felton Daylily: Hemerocallis ’Sagamore Corey Felton’
- Sagamore Cynthia Contreras Daylily: Hemerocallis ’Sagamore Cynthia Contreras’
- Sagamore David Turin Daylily: Hemerocallis ’Sagamore David Turin’
- Sagamore Dustin Turin Daylily: Hemerocallis ’Sagamore Dustin Turin’
- Sagamore Eleanor Wolf Daylily: Hemerocallis ’Sagamore Eleanor Wolf’
- Sagamore Emily Heath Daylily: Hemerocallis ’Sagamore Emily Heath’
- Sagamore Erich Archer Daylily: Hemerocallis ’Sagamore Erich Archer’
- Sagamore Frank Tavares Daylily: Hemerocallis ’Sagamore Frank Tavares’
- Sagamore Freman Pittman Daylily: Hemerocallis ’Sagamore Freman Pittman’
- Sagamore Geza Nemeth Daylily: Hemerocallis ’Sagamore Geza Nemeth’
- Sagamore Ingrid Swanson Daylily: Hemerocallis ’Sagamore Ingrid Swanson’
- Sagamore Jenifer Duryea Daylily: Hemerocallis ’Sagamore Jenifer Duryea’
- Sagamore Jose Contreras Daylily: Hemerocallis ’Sagamore Jose Contreras’
- Sagamore Josh Heath Daylily: Hemerocallis ’Sagamore Josh Heath’
- Sagamore Julie Cummins Daylily: Hemerocallis ’Sagamore Julie Cummins’
- Sagamore Karen Barter Daylily: Hemerocallis ’Sagamore Karen Barter’
- Sagamore Kirk Massa Daylily: Hemerocallis ’Sagamore Kirk Massa’
- Sagamore Knowles Pittman Daylily: Hemerocallis ’Sagamore Knowles Pittman’
- Sagamore Margarett Vernon Daylily: Hemerocallis ’Sagamore Margarett Vernon’
- Sagamore Max Cann Daylily: Hemerocallis ’Sagamore Max Cann’
- Sagamore Nathan Weston Daylily: Hemerocallis ’Sagamore Nathan Weston’
- Sagamore Patience Wales Daylily: Hemerocallis ’Sagamore Patience Wales’
- Sagamore Peter Mccarthy Daylily: Hemerocallis ’Sagamore Peter Mccarthy’
- Sagamore Peter Pommersheim Daylily: Hemerocallis ’Sagamore Peter Pommersheim’
- Sagamore Phil Daylily: Hemerocallis ’Sagamore Phil’
- Sagamore Robyn Turin Daylily: Hemerocallis ’Sagamore Robyn Turin’
- Sagamore Romaine Walker Daylily: Hemerocallis ’Sagamore Romaine Walker’
- Sagamore Ruth Salinger Daylily: Hemerocallis ’Sagamore Ruth Salinger’
- Sagamore Ryan Maione Daylily: Hemerocallis ’Sagamore Ryan Maione’
- Sagamore Ryan Massa Daylily: Hemerocallis ’Sagamore Ryan Massa’
- Sagamore Stephen Vernon Daylily: Hemerocallis ’Sagamore Stephen Vernon’
- Sagamore Stephen Walker Daylily: Hemerocallis ’Sagamore Stephen Walker’
- Sagamore Suzanne Nadeau Daylily: Hemerocallis ’Sagamore Suzanne Nadeau’
- Sagamore Trevor Fischer Daylily: Hemerocallis ’Sagamore Trevor Fischer’
- Sagarmatha Daylily: Hemerocallis ’Sagarmatha’
- Sage: Salvia ’Allen Chickering’, Salvia ’Betsy’s Purple’, Salvia ’Blue Chiquita’, Salvia corrugata, Salvia dolichantha, Salvia dumetorum, Salvia hians, Salvia ’Indigo Spires’, Salvia involucrata var. puberula × karwinskii, Salvia ’Jean’s Purple Passion’, Salvia macellaria, Salvia ’Maraschino’, Salvia ’Marine Blue’, Salvia merjamie, Salvia napifolia, Salvia officinalis ’Woodcote’, Salvia patens, Salvia ’Phyllis Fancy’, Salvia ’Pinokkio’, Salvia pratensis, Salvia ’Purple Majesty’, Salvia recognita, Salvia rubescens, Salvia staminea, Salvia tingitana
- Sage Leaf Rockrose: Cistus salviifolius
- Sage Mint: Salvia reflexa
- Sage Rose: Turnera ulmifolia, Turnera ulmifolia var. elegans
- Sage Willow: Salix candida
- Sage-Leaf Alangium: Alangium salviifolium
- Sage-leaf Rockrose: Cistus salviifolius var. prostratus
- Sage-Leaved Bluebush: Diospyros lycioides guerkei
- Sage-Leaved Cistus: Cistus salviifolius
- Sage-Like Loeflingia: Loeflingia squarrosa artemisiarum var. artemisiarum
- Sagebrush Beardtongue: Penstemon cyathophorus
- Sagebrush Bluebells: Mertensia oblongifolia
- Sagebrush Buttercup: Ranunculus glaberrimus
- Sagebrush Cholla: Opuntia pulchella
- Sagebrush Chorizanthe: Chorizanthe brevicornu
- Sagebrush Combseed: Pectocarya linearis, Pectocarya linearis ferocula
- Sagebrush Fleabane: Erigeron austiniae
- Sagebrush Indian Paintbrush: Castilleja lineariiloba, Castilleja lineariloba
- Sagebrush Loeflingia: Loeflingia squarrosa artemisiarum var. artemisiarum
- Sagebrush Mariposa: Calochortus macrocarpus
- Sagebrush Mariposa Lily: Calochortus macrocarpus, Calochortus macrocarpus Douglas var. macrocarpus Douglas
- Sagebrush Phlox: Phlox aculeata
- Sagebrush Rockcress: Arabis cobrensis
- Sagebrush Suncup: Camissonia palmeri
- Sagebrush Violet: Viola vallicola
- Sageleaf Willow: Salix candida
- Sager Cedric Tall Bearded Iris: Iris ’Sager Cedric’
- Sagi-So: Pecteilis radiata
- Sagisi Palm: Heterospathe elata
- Sagittarius Canna Lily: Canna x generalis’Sagittarius’
- Sago Cycas: Cycas revoluta, Cycas revoluta ’Aurea’, Cycas revoluta ’Showa’
- Sago Palm: Cycas circinalis, Cycas revoluta, Cycas revoluta ’Aurea’, Cycas revoluta ’Showa’, Cycas riuminiana, Metroxylon sagu
- Sago Pondweed: Stuckenia pectinatus
- Sago Pondweed Potamogeton Pectinatus: Stuckenia pectinatus
- Sagu Palm: Metroxylon salomonense
- Saguaro: Carnegia gigantea, Carnegiea gigantea, Carnegiea gigantea f. monstruosa
- Saguaro Cactus: Carnegia gigantea, Carnegiea gigantea
- Saguaro Opuntia: Consolea falcata
- Saguira: Stenocereus montanus
- Sahara Mustard: Brassica tournefortii
- Sahara Sands Daylily: Hemerocallis ’Sahara Sands’
- Sahara Sands Spuria Iri: Iris ’Sahara Sands’
- Sahara Song Daylily: Hemerocallis ’Sahara Song’
- Sahara Sunset Daylily: Hemerocallis ’Sahara Sunset’
- Saharan Cypress: Cupressus dupreziana
- Saharan Sun Tall Bearded Iris: Iris ’Saharan Sun’
- Saharanpur Crapemyrtle: Lagerstroemia’Saharanpur’
- Sahib Daylily: Hemerocallis ’Sahib’
- Saho Palm: Trithrinax brasiliensis
- Sahuara: Carnegiea gigantea
- Saia-De-Comadre: Pseudopiptadenia contorta
- Saigon Cassia: Cinnamomum loureirii
- Saigon Cinnamon: Cinnamomum loureirii
- Saigon Summer Daylily: Hemerocallis ’Saigon Summer’
- Saihai-Ran: Cremastra appendiculata
- Saijo Persimmon: Diospyros kaki
- Sail Master Tall Bearded Iris: Iris ’Sail Master’
- Sail On Daylily: Hemerocallis ’Sail On’
- Sail-fin Molly: Euonymus clivicolus
- Sailboat Bridge Daylily: Hemerocallis ’Sailboat Bridge’
- Sailboat Hosta: Hosta ’Sailboat’
- Sailfin Mollie: Euonymus clivicolus
- Sailfin Molly: Euonymus clivicolus
- Sailing On Daylily: Hemerocallis ’Sailing On’
- Sailing On Ice Daylily: Hemerocallis ’Sailing On Ice’
- Sailor At Heart Daylily: Hemerocallis ’Sailor At Heart’
- Sailor Boy Daylily: Hemerocallis ’Sailor Boy’
- Sailor Caps Dodecatheon Hendersonii: Dodecatheon hendersonii
- Sailor Intermediate Bearded Iri: Iris ’Sailor’
- Sailor’s Dance Tall Bearded Iris: Iris ’Sailor’s Dance’
- Sailors Tobacco: Artemisia vulgaris
- Sailors Warning Hosta: Hosta ’Sailor’s Warning’
- Sails Ho Hosta: Hosta ’Sails Ho’
- Sainfoin: Onobrychis viciifolia
- Sainfoin Du Bengale: Flemingia strobilifera
- Saint Catherines Lace: Eriogonum giganteum
- Saint Elmo’s Fire: Hosta ’St. Elmo’s Fire’
- Saint John’s Rosemallow: Hibiscus kokio saintjohnianus
- Saint Johns Wort: Hypericum calycinum ’Brigadoon’
- Saint Louis Chief Daylily: Hemerocallis ’Saint Louis Chief’
- Saint Louis Glow Daylily: Hemerocallis ’Saint Louis Glow’
- Saint Louis Rainbow Daylily: Hemerocallis ’Saint Louis Rainbow’
- Saint Louis Sunset Daylily: Hemerocallis ’Saint Louis Sunset’
- Saint Martin Mango Daylily: Hemerocallis ’Saint Martin Mango’
- Saint Mary Southern Magnolia: Magnolia grandiflora ’Saint Mary’
- Saint Meinard Abbey Daylily: Hemerocallis ’Saint Meinard Abbey’
- Saint Moritz Daylily: Hemerocallis ’Saint Moritz’
- Saint Patrick’s Day Large-Cupped Daffodil: Narcissus ’Saint Patrick’s Day’
- Saint Patrick’s Day Long-Cupped Narcissus: Narcissus ’Saint Patrick’s Day’
- Saint Paul Daylily: Hemerocallis ’Saint Paul’
- Saint Paul Rebel Daylily: Hemerocallis ’Saint Paul Rebel’
- Saint Paul Verbena: Verbena peruviana ’Saint Paul’
- Saint Peters Gift Daylily: Hemerocallis ’Saint Peter’s Gift’
- Saint Stephen Daylily: Hemerocallis ’Saint Stephen’
- Saint Valentine Daylily: Hemerocallis ’Saint Valentine’
- Saint’s Daisy: Erigeron sanctarum
- Saint-John’s Rosemallow: Hibiscus kokio saintjohnianus
- Saint-Martin Gris: Taralea oppositifolia
- Sainte-luce Palm: Dypsis sainte-lucei
- Sainte-Marie Palm: Dypsis sanctaemariae
- Saintedwood: Ternstroemia heptasepala
- Saints Fleabane: Erigeron sanctarum
- Saishu Eimo Hosta: Hosta ’Saishu Eimo’
- Saishu Jima Closed Hosta: Hosta ’Saishu Jima Closed’
- Saishu Jima Hosta: Hosta ’Saishu Jima’
- Saishu Yahato Sito Hosta: Hosta ’Saishu Yahato Sito’
- Sakaki: Cleyera japonica, Cleyera japonica var. longicarpa, Cleyera japonica variegata
- Sakes Alive Daylily: Hemerocallis ’Sakes Alive’
- Sakhalin Corktree: Phellodendron amurense var. sachalinense
- Sakhalin Fir: Abies sachalinensis
- Sakhalin Honeysuckle: Lonicera maximowiczii var. sachalinensis
- Sakhalin Lily: Lilium sachalinense
- Sakhalin Sedum: Sedum pluricaule var. ezawe ’Isle of Sakhalin’
- Sakhalin Spruce: Picea glehnii
- Sakura No Tamo Japanese Iri: Iris ’Sakura No Tamo’
- Sakura-Kagami Azalea: Rhododendron ’Sakura-kagami’
- Sal Tree: Shorea robusta
- Sala: Salacca magnifica
- Salac Palm: Salacca edulis
- Salacca: Salacca magnifica
- Salad Bowl Daylily: Hemerocallis ’Salad Bowl’
- Salad Burnet: Sanguisorba minor, Sanguisorba minor minor var. minor
- Salad Cup Daylily: Hemerocallis ’Salad Cup’
- Salad Endive: Cichorium endivia, Cichorium endivia ’Bianca Riccia’, Cichorium endivia ’Frisee De Louviers’, Cichorium endivia ’Frisee De Meaux’, Cichorium endivia ’Full Heart Nr65’, Cichorium endivia ’Green Curled’, Cichorium endivia ’Green Curled Ruffec’, Cichorium endivia ’Grosse Bouclee’, Cichorium endivia ’Nataly’, Cichorium endivia ’Neos’, Cichorium endivia ’Rhodos’, Cichorium endivia ’Salad King’, Cichorium endivia ’Tres Fine Maraichere’
- Salad Onion: Allium cepa ’Deep Purple’, Allium cepa ’Ramrod’
- Salad Potato: Solanum tuberosum ’Charlotte’, Solanum tuberosum ’Anya’, Solanum tuberosum ’Maris Peer’, Solanum tuberosum L. ’Nicola’, Solanum tuberosum ’Pink Fir Apple’
- Saladmaster Tomato Lycopersicon Lycopersicum: Lycopersicon lycopersicum ’Saladmaster’
- Salai Guggal: Boswellia serrata
- Salak: Salacca zalacca
- Salal: Gaultheria shallon
- Salcilla: Bomarea salsilla
- Salem Hosta: Hosta ’Salem’
- Salem Rosemary: Rosmarinus officinalis ’Salem’
- Salem Witch Daylily: Hemerocallis ’Salem Witch’
- Salem Witch Siberian Iris Iris Si: Iris sibirica ’Salem Witch’
- SalenÇa Tortosina: Salix tarraconensis
- Salicaire: Lythrum salicaria
- Salieri Daylily: Hemerocallis ’Salieri’
- Salina Wildrye: Leymus salinus, Leymus salinus salinus
- Salinas Lyme Grass: Leymus salinus, Leymus salinus salinus
- Salinas Milkvetch: Astragalus macrodon
- Salinas River Tarplant: Hemizonia pentactis
- Salinas River Tarweed: Hemizonia pentactis
- Salinas Valley Goldfields: Lasthenia leptalea
- Salinas Valley Popcornflower: Plagiobothrys uncinatus
- Salinas Wildrye: Leymus salinus
- Saline Plantain: Plantago eriopoda
- Saline Saltbush: Atriplex subspicata
- Saline Valley Phacelia: Phacelia amabilis
- Saline Wildrye: Leymus salinus, Leymus salinus salinus, Leymus salinus salmonis
- Salisburg Eyebright: Euphrasia salisburgensis, Euphrasia salisburgensis var. hibernica
- Salisbury Furnace Daylily: Hemerocallis ’Salisbury Furnace’
- Salisburys Lily: Lilium concolor
- Salish Daisy: Erigeron salishii
- Sallie Brown Daylily: Hemerocallis ’Sallie Brown’
- Sallie Farley Daylily: Hemerocallis ’Sallie Farley’
- Sallie Steggert Daylily: Hemerocallis ’Sallie Steggert’
- Sally And Bob Hosta: Hosta ’Sally and Bob’
- Sally Holmes Shrub Rose: Rosa ’Sally Holmes’
- Sally Horne Daylily: Hemerocallis ’Sally Horne’
- Sally Jane Tall Bearded Iris: Iris ’Sally Jane’
- Sally Jetton Daylily: Hemerocallis ’Sally Jetton’
- Sally Kerlin Siberian Iris Iris Si: Iris sibirica ’Sally Kerlin’
- Sally Lake Daylily: Hemerocallis ’Sally Lake’
- Sally Millman-taft Daylily: Hemerocallis ’Sally Millman-Taft’
- Sally Oday Daylily: Hemerocallis ’Sally O’Day’
- Sally Rhubarb: Polygonum cuspidatum
- Sally Steggert Memorial Daylily: Hemerocallis ’Sally Steggert Memorial’
- Sally Sunshine Daylily: Hemerocallis ’Sally Sunshine’
- Salmon Barberry: Berberis aggregata
- Salmon Cat’s-Eye: Cryptantha salmonensis
- Salmon Creek Indian Paintbrush: Castilleja praeterita
- Salmon Dawn Daylily: Hemerocallis ’Salmon Dawn’
- Salmon Dream Daylily: Hemerocallis ’Salmon Dream’
- Salmon Jacobs Ladder: Polemonium carneum
- Salmon Lyme Grass: Leymus salinus salmonis
- Salmon Pagoda Daylily: Hemerocallis ’Salmon Pagoda’
- Salmon Pearl Triumph Tulip: Tulipa ’Salmon Pearl’
- Salmon Pink Canna Lily: Canna x generalis’Salmon Pink’
- Salmon River Beardtongue: Penstemon pumilus
- Salmon River Cryptantha: Cryptantha salmonensis
- Salmon River Fleabane: Erigeron salmonensis
- Salmon River Locoweed: Oxytropis besseyi var. salmonensis
- Salmon Sheen Daylily: Hemerocallis ’Salmon Sheen’
- Salmon Souffle Daylily: Hemerocallis ’Salmon Souffle’
- Salmon Star Daylily: Hemerocallis ’Salmon Star’
- Salmon Sun Orchid: Thelymitra macmillanii, Thelymitra rubra
- Salmon Sun-Orchid: Thelymitra rubra
- Salmon Swirls Daylily: Hemerocallis ’Salmon Swirls’
- Salmon Wildrye: Leymus salinus salmonis
- Salmon Zonal Geranium: Pelargonium hortorum ’Fantasia Salmon’
- Salmon’s White Lesser Celendine: Ranunculus ficaria ’Salmon’s White’
- Salmon-Flower Desert-Parsley: Lomatium salmoniflorum
- Salmon-flowered Hedgehog: Echinocereus polyacantha, Echinocereus polyacantha acifer, Echinocereus polyacantha huitcholensis, Echinocereus polyacanthus
- Salmon-pink Ice Plant: Delosperma x ’Kelaidis’
- Salmonberry: Rubus spectabilis, Rubus spectabilis ’Flore Pleno’
- Salmonflower Biscuitroot: Lomatium salmoniflorum
- Salom: Havardia albicans
- Salome Cranesbill: Geranium lambertii x procurrens ’Salome’
- Salomes Dance Daylily: Hemerocallis ’Salome’s Dance’
- Salonique Tall Bearded Iris: Iris ’Salonique’
- Salsa Daylily: Hemerocallis ’Salsa’
- Salsa Rio Tall Bearded Iris: Iris ’Salsa Rio’
- Salsa Tall Bearded Iris: Iris salsa
- Salsifis Majeur: Tragopogon dubius
- Salsify: Tragopogon dubius, Tragopogon porrifolius, Tragopogon porrifolius ’Giant’, Tragopogon porrifolius ’Mammoth Sandwich Island’
- Salsola: Salsola oppositifolia
- Salt Angianthus: Angianthus preissianus
- Salt Bush: Cryptocarpus pyriformis
- Salt Cedar: Tamarix chinensis, Tamarix ramosissima, Tamarix ramosissima ’Pink Cascade’, Tamarix ramosissima ’Rosea’, Tamarix ramosissima ’Rubra’, Tamarix ramosissima ’Summer Glow’
- Salt Gilia: Gilia salticola
- Salt Heliotrope: Heliotropium curassavicum
- Salt Lake City Daylily: Hemerocallis ’Salt Lake City’
- Salt Marsh Bird’s Beak: Cordylanthus maritimus
- Salt Marsh Bird’s-Beak: Cordylanthus maritimus maritimus
- Salt Marsh Bulrush: Isolepis cernua
- Salt Marsh Fleabane: Pluchea odorata
- Salt Marsh Mallow: Kosteletzkya virginica, Kosteletzkya virginica ’Immaculate’
- Salt Marsh Pink: Sabatia stellaris
- Salt Meadow Cordgrass: Spartina patens
- Salt Rush: Juncus lesueurii
- Salt Sage: Atriplex canescens
- Salt Sage Iva Axillaris: Iva axillaris
- Salt Sandspurry: Spergularia salina, Spergularia salina var. salina
- Salt Sedge: Carex hassei
- Salt Spring Checkerbloom: Sidalcea neomexicana
- Salt Tree: Halimodendron halodendron
- Salt-Cedar: Tamarix ramosissima
- Salt-Marsh False-Foxglove: Agalinis maritima
- Salt-Marsh Sand-Spurrey: Spergularia salina
- Salt-Marsh Sedge: Carex recta, Carex salina
- Salt-Marsh Spike-Rush: Eleocharis halophila
- Salt-Marsh Starwort: Stellaria humifusa
- Salt-Marsh Water-Hemp: Amaranthus cannabinus
- Salt-Meadow Plantain: Plantago argyraea
- Salt-Spray Fern: Blechnum blechnoides
- Salt-Tree: Halimodendron halodendron
- Salt-Water False-Willow: Baccharis angustifolia
- Salt-Wort: Salsola komarovi
- Saltbox Standard Dwarf Bearded Iris: Iris ’Saltbox’
- Saltbush: Atriplex californica, Atriplex gmelinii, Atriplex halimus, Atriplex rhagodioides, Cryptocarpus pyriformis
- Saltcedar: Tamarix africana, Tamarix aphylla, Tamarix aralensis, Tamarix canariensis, Tamarix chinensis, Tamarix dioica, Tamarix gallica, Tamarix parviflora, Tamarix ramosissima, Tamarix ramosissima ’Pink Cascade’, Tamarix ramosissima ’Rosea’, Tamarix ramosissima ’Rubra’, Tamarix ramosissima ’Summer Glow’, Tamarix tetragyna
- Saltcedar Tamarix Parviflora: Tamarix parviflora
- Saltgrass: Distichlis spicata, Distichlis spicata spicata
- Saltillo Evening Primrose: Oenothera stubbei
- Saltillo Sage: Salvia coahuilensis
- Saltlover: Halogeton glomeratus
- Saltloving Goosefoot: Chenopodium macrospermum var. halophilum
- Saltmarsh: Casuarina glauca
- Saltmarsh Alkaligrass: Puccinellia fasciculata, Puccinellia fasciculata pungens
- Saltmarsh Aster: Symphyotrichum subulatum
- Saltmarsh Baccharis: Baccharis douglasii
- Saltmarsh Bird’s-Beak: Cordylanthus maritimus, Cordylanthus maritimus maritimus, Cordylanthus maritimus palustris
- Saltmarsh Bird’sbeak: Cordylanthus maritimus, Cordylanthus maritimus maritimus, Cordylanthus maritimus palustris
- Saltmarsh Cordgrass: Spartina alterniflora
- Saltmarsh Dodder: Cuscuta salina, Cuscuta salina Engelm. var. salina Engelm.
- Saltmarsh False Foxglove: Agalinis maritima, Agalinis maritima var. grandiflora, Agalinis maritima var. maritima
- Saltmarsh Fimbristylis: Fimbristylis castanea
- Saltmarsh Finger Grass: Eustachys glauca
- Saltmarsh Fingergrass: Eustachys glauca
- Saltmarsh Ironwood: Casuarina glauca
- Saltmarsh Morning Glory: Ipomoea sagittata
- Saltmarsh Morning-Glory: Ipomoea sagittata
- Saltmarsh Morningglory: Ipomoea sagittata
- Saltmarsh Rush: Juncus gerardii
- Saltmarsh Sealavender: Limonium otolepis
- Saltmarsh Sedge: Carex salina, Carex salina Wahlenb. var. pseudofilipendula Kükenth.
- Saltmarsh Spikerush: Eleocharis halophila
- Saltmarsh Starwort: Stellaria humifusa
- Saltmarsh Umbrella-Sedge: Fuirena breviseta
- Saltmarsh Umbrellasedge: Fuirena breviseta
- Saltmeadow Cordgrass: Spartina patens
- Saltmeadow Cordgrass Spartina Patens: Spartina patens
- Saltmeadow Plantain: Plantago argyraea
- Saltmeadow Rush: Juncus gerardii, Juncus gerardii gerardii, Juncus gerardii Loisel. var. pedicellatus Fern.
- Salton Milkvetch: Astragalus crotalariae
- Saltpond Grass: Leptochloa fusca fascicularis
- Saltsedge: Carex hassei
- Saltspray Rose: Rosa rugosa
- Saltwart: Batis maritima
- Saltwater Cress: Arabidopsis salsuginea
- Saltwater False Willow: Baccharis angustifolia
- Saltwater Falsewillow: Baccharis angustifolia
- Saltwood: Neea buxifolia
- Saltwood Standard Dwarf Bearded Iris: Iris ’Saltwood’
- Saltwort: Batis maritima
- Saltwort Buckwheat: Eriogonum salicornioides
- Salty Buckwheat: Stenogonum salsuginosum
- Salty Eriogonum: Stenogonum salsuginosum
- Salty Loco Milkvetch: Astragalus lentiginosus var. salinus
- Salty Popcornflower: Plagiobothrys salsus
- Salutation Daylily: Hemerocallis ’Salutation’
- Salute Hosta: Hosta ’Salute’
- Salvador Tomato Lycopersicon Lycopersicum: Lycopersicon lycopersicum ’Salvador’
- Salvadori’s Pheasant: Lophura inornata
- Salvation Jane: Echium plantagineum
- Salvation Show Daylily: Hemerocallis ’Salvation Show’
- Salvia: Salvia africana-caerulea, Salvia argentia, Salvia ’Aromas’, Salvia ’Black Knight’, Salvia broussonetii, Salvia ’Cabrillo Sunrise’, Salvia ’Cabrillo Sunset’, Salvia candelabrum, Salvia candidissima, Salvia canescens, Salvia ’Caroline’, Salvia cedrosensis, Salvia chinopeplica, Salvia cinnabarina, Salvia confertiflora, Salvia curtiflora, Salvia cyanescens, Salvia ’Daras Choice’, Salvia dentata, Salvia flava, Salvia ’Frieda Dixon’, Salvia glechomaefolia, Salvia greggii ’Hot Pink’, Salvia greggii ’Moonlight’, Salvia greggii ’Pink Preference’, Salvia hirtella, Salvia hydrangea, Salvia indica, Salvia involucrata x pulchella, Salvia ’Jean’s Purple Passion’, Salvia karwinskii x pulchella, Salvia ’Katheena’, Salvia lanigera, Salvia ’Louis Saso’, Salvia maroccana, Salvia merjamie, Salvia microphylla ’Lutea’, Salvia microphylla var. neurepia, Salvia ’Mrs Beard’, Salvia napifolia, Salvia nubicola, Salvia oppositiflora, Salvia palestina, Salvia patens ’Blue Angel’, Salvia polystachya, Salvia pomifera, Salvia praeclara, Salvia prezewalskii, Salvia pulchella, Salvia purpurea, Salvia reptans, Salvia ringens, Salvia roborowski, Salvia rubescens, Salvia rubiginosa, Salvia rugosa, Salvia rypara, Salvia scordifolia, Salvia scutellarioides, Salvia semiatrata, Salvia somalensis, Salvia sprucei, Salvia staminea, Salvia ’Starlight’, Salvia ’Strybing Purple Velvet’, Salvia tingitana, Salvia viscosa, Salvia ’Waverly’, Salvia x jamensis’Coral Sunrise’
- Salvia Cistus: Cistus salviifolius
- Salvia Namaensis: Salvia namaensis
- Salvinia: Salvinia molesta
- Salvo Daylily: Hemerocallis ’Salvo’
- Salzburg Daylily: Hemerocallis ’Salzburg’
- Salzmann’s Mille Graines: Oldenlandia salzmannii
- Sam Casey Daylily: Hemerocallis ’Sam Casey’
- Sam Marshall Tall Bearded Iris: Iris ’Sam Marshall’
- Sam Seitz Daylily: Hemerocallis ’Sam Seitz’
- Sam Standard Dwarf Bearded Iris: Iris ’Sam’
- Sam-tina Gold Hosta: Hosta ’Sam-Tina Gold’
- Saman: Albizia saman
- Samanta: Bussea occidentalis
- Samantha Lou Daylily: Hemerocallis ’Samantha Lou’
- Samantha Lucretia Daylily: Hemerocallis ’Samantha Lucretia’
- Samanthas Smile Daylily: Hemerocallis ’Samantha’s Smile’
- Samar At Dawn Daylily: Hemerocallis ’Samar At Dawn’
- Samar Inca Gold Daylily: Hemerocallis ’Samar Inca Gold’
- Samar Reveille Daylily: Hemerocallis ’Samar Reveille’
- Samar Scottish Moon Daylily: Hemerocallis ’Samar Scottish Moon’
- Samar Sheik Daylily: Hemerocallis ’Samar Sheik’
- Samar Sonata Daylily: Hemerocallis ’Samar Sonata’
- Samar Star Fire Daylily: Hemerocallis ’Samar Star Fire’
- Samar Stardust Daylily: Hemerocallis ’Samar Stardust’
- Samar Sunglow Daylily: Hemerocallis ’Samar Sunglow’
- Samar Sweet Talk Daylily: Hemerocallis ’Samar Sweet Talk’
- Samar Valentine Daylily: Hemerocallis ’Samar Valentine’
- Samar Wistful Love Daylily: Hemerocallis ’Samar Wistful Love’
- Samarang Rose Apple: Syzygium samarangense
- Samba Do Brasil Daylily: Hemerocallis ’Samba Do Brasil’
- Samba Hardy Garden Mum: Dendranthema ’Samba’
- Samba Mum: Chrysanthemum ’Dee Samba’
- Samba Queen Daylily: Hemerocallis ’Samba Queen’
- Sambac Jasmine: Jasminum sambac
- Sambirano Palmyra Palm: Borassus sambiranensis
- Sambo Daylily: Hemerocallis ’Sambo’
- Sambo Wilder Daylily: Hemerocallis ’Sambo Wilder’
- Sambuca Tall Bearded Iris: Iris ’Sambuca’
- Sami Ruca: Psychotria viridis
- Samira Daylily: Hemerocallis ’Samira’
- Sammy Daylily: Hemerocallis ’Sammy’
- Sammy Russell Daylily: Hemerocallis ’Sammy Russell’
- Sammy Yarborough Daylily: Hemerocallis ’Sammy Yarborough’
- Samoan Gardenia: Tabernaemontana holstii
- Samoan Palm: Clinostigma samoense
- Samoan Song Daylily: Hemerocallis ’Samoan Song’
- Samoan Sunset Daylily: Hemerocallis ’Samoan Sunset’
- Samoan Sunshine Tree: Erythrina indica var. picta
- Samobor Cranesbill: Geranium phaeum ’Samobor’
- Samona Daylily: Hemerocallis ’Samona’
- Sampalok: Tamarindus indica
- Sampan Sails Daylily: Hemerocallis ’Sampan Sails’
- Samphire: Crithmum maritimum
- Sampson’s Snakeroot: Orbexilum pedunculatum var. psoralioides
- Sampsons Snakeroot: Gentiana andrewsii
- Samsara Sands Daylily: Hemerocallis ’Samsara Sands’
- Samson Hosta: Hosta ’Samson’
- Samson Snakeroot: Orbexilum pedunculatum var. psoralioides
- Samual Blue Hosta: Hosta ’Samual Blue’
- Samuel Sommer Southern Magnolia: Magnolia grandiflora ’Samuel Sommer’
- Samurai Daylily: Hemerocallis ’Samurai’
- Samurai Hosta: Hosta ’Samurai’
- Samurai Orchid: Neofinetia falcate
- Samurai Silk Daylily: Hemerocallis ’Samurai Silk’
- Samurai Toad Lilly: Tricyrtis formosana ’Samurai’
- Samurai Warrior Bearded Iris: Iris x ’Samurai Warrior’
- Samurai Warrior Tall Bearded Iris: Iris ’Samurai Warrior’
- Samurais Temple Daylily: Hemerocallis ’Samurai’s Temple’
- San Diego Bursage: Ambrosia chenopodiifolia
- San Andres Mountain Foxtail Cactus: Escobaria sandbergii
- San Andres Rock Daisy: Perityle staurophylla (Barneby) Shinners var. homoflora T.K. Tod
- San Angelo Yucca: Yucca reverchonii
- San Anselmo Navarretia: Navarretia rosulata
- San Antonio Award Daylily: Hemerocallis ’San Antonio Award’
- San Antonio Bluestar: Amsonia fugatei
- San Antonio False Foxglove: Agalinis homalantha
- San Antonio False-Foxglove: Agalinis homalantha
- San Antonio Gromwell: Lithospermum mirabile
- San Antonio Hills Monardella: Monardella antonina, Monardella antonina benitensis
- San Antonio Pricklypear: Opuntia valida
- San Antonio Stoneseed: Lithospermum mirabile
- San Bartolome: Cordia rickseckeri
- San Benito Evening-Primrose: Camissonia benitensis
- San Benito Fritillary: Fritillaria viridea
- San Benito Jewelflower: Streptanthus insignis
- San Benito Monardella: Monardella antonina benitensis
- San Benito Poppy: Eschscholzia hypecoides
- San Benito Spineflower: Chorizanthe biloba var. immemora, Chorizanthe douglasii
- San Benito Suncup: Camissonia benitensis
- San Benito Thorn-Mint: Acanthomintha obovata, Acanthomintha obovata obovata
- San Benito Thornmint: Acanthomintha obovata
- San Bernadrino Buckwheat: Eriogonum microthecum var. corymbosoides
- San Bernardino Aster: Symphyotrichum defoliatum
- San Bernardino Beardtongue: Penstemon caesius
- San Bernardino Bluegrass: Poa atropurpurea
- San Bernardino Buckwheat: Eriogonum microthecum var. corymbosoides
- San Bernardino Butterweed: Packera bernardina
- San Bernardino Grass of Parnassus: Parnassia cirrata
- San Bernardino Grass-Of-Parnassus: Parnassia cirrata
- San Bernardino Larkspur: Delphinium parryi, Delphinium parryi blochmaniae, Delphinium parryi eastwoodiae, Delphinium parryi maritimum, Delphinium parryi parryi, Delphinium parryi seditiosum
- San Bernardino Milkvetch: Astragalus bernardinus
- San Bernardino Mountain Alumroot: Heuchera alpestris
- San Bernardino Mountain Gilia: Gilia maculata
- San Bernardino Mountain Monkeyflower: Mimulus exiguus
- San Bernardino Mountain Onion: Allium monticola
- San Bernardino Mountains Alumroot: Heuchera alpestris
- San Bernardino Mountains Bladderpod: Lesquerella kingii bernardina
- San Bernardino Mountains Indian Paintbrush: Castilleja lasiorhyncha
- San Bernardino Mountains Monkeyflower: Mimulus exiguus
- San Bernardino Owl’s-Clover: Castilleja lasiorhyncha
- San Bernardino Ragwort: Packera bernardina
- San Bernardino Rock Cress: Arabis breweri var. pecuniaria Rollins
- San Bernardino Spineflower: Chorizanthe parryi, Chorizanthe parryi parryi var. parryi
- San Bernardino Suncup: Camissonia confusa
- San Bernardino Vervain: Verbena abramsii
- San Bruno Mountain Manzanita: Arctostaphylos imbricata
- San Carlos Buckwheat: Eriogonum capillare
- San Carlos Red Firecracker Plant: Russelia rotundifolia ’San Carlos’
- San Carlos Wild Buckwheat: Eriogonum capillare
- San Clemente Island Bird’s-foot Trefoil: Lotus argophyllus var. adsurgens
- San Clemente Island Brodiaea: Brodiaea kinkiensis
- San Clemente Island Buckwheat: Eriogonum giganteum var. formosum
- San Clemente Island Bush Mallow: Malacothamnus clementinus
- San Clemente Island Bush-Mallow: Malacothamnus clementinus
- San Clemente Island Bushmallow: Malacothamnus clementinus
- San Clemente Island Hazardia: Hazardia cana
- San Clemente Island Indian Paintbrush: Castilleja grisea
- San Clemente Island Larkspur: Delphinium variegatum kinkiense
- San Clemente Island Milkvetch: Astragalus nevinii
- San Clemente Island Triteleia: Triteleia clementina
- San Clemente Island Woodland Star: Lithophragma maximum
- San Clemente Island Woodland-Star: Lithophragma maximum
- San Cruz Redwood: Sequoia sempervirens ’Santa Cruz’
- San Diego Alpinegold: Hulsea californica
- San Diego Ambrosia: Ambrosia chenopodiifolia, Ambrosia pumila
- San Diego Barrel: Ferocactus viridescens var. littoralis
- San Diego Barrel Cactus: Ferocactus viridescens
- San Diego Barrelcactus: Ferocactus viridescens
- San Diego Buckbrush: Ceanothus cyaneus
- San Diego Bur-Sage: Ambrosia chenopodiifolia
- San Diego Burr Ragweed: Ambrosia chenopodiifolia
- San Diego Bush Monkeyflower: Diplacus aridus
- San Diego Button Celery: Euonymus obovatus
- San Diego Button-celery: Euonymus obovatus
- San Diego Ceanothus: Ceanothus cyaneus
- San Diego Coastalcreeper: Aphanisma blitoides
- San Diego County Alumroot: Heuchera rubescens var. versicolor
- San Diego County Monardella: Monardella linoides viminea
- San Diego County Needlegrass: Achnatherum diegoense
- San Diego Goldenstar: Muilla clevelandii
- San Diego Gumplant: Grindelia hirsutula Hook. & Arn. var. hallii (Steyerm. ex Rothr.
- San Diego Hulsea: Hulsea californica
- San Diego Marsh Elder: Iva hayesiana
- San Diego Mesa Mint: Pogogyne abramsii
- San Diego Mesamint: Pogogyne abramsii
- San Diego Milkvetch: Astragalus oocarpus
- San Diego Monkey Flower: Diplacus puniceus
- San Diego Mountain Lilac: Ceanothus cyaneus
- San Diego Mountain Mohagany: Cercocarpus montanus
- San Diego Needlegrass: Achnatherum diegoense
- San Diego Nightshade: Solanum tenuilobatum
- San Diego Pepperweed: Lepidium latipes
- San Diego Pitcher Plant: Lepechinia ganderi
- San Diego Pitchersage: Lepechinia ganderi
- San Diego Povertyweed: Iva hayesiana
- San Diego Ragweed: Ambrosia pumila
- San Diego Raspberry: Rubus glaucifolius
- San Diego Sagewort: Artemisia palmeri
- San Diego Sedge: Carex spissa
- San Diego Spineflower: Chorizanthe orcuttiana
- San Diego Sunflower: Hulsea californica
- San Diego Tarweed: Hemizonia paniculata
- San Diego Thorn-Mint: Acanthomintha ilicifolia
- San Diego Thornmint: Acanthomintha ilicifolia
- San Diego Tiger Lily: Lilium humboldtii ocellatum
- San Diego Wild Cabbage: Caulanthus heterophyllus
- San Diego Wild-Cabbage: Caulanthus heterophyllus
- San Felipe Cholla: Cylindropuntia sanfelipensis
- San Felipe Dogweed: Adenophyllum porophylloides
- San Felipe Dyssodia: Adenophyllum porophylloides
- San Felipe Monardella: Monardella nana leptosiphon
- San Fernando Valley Chorizanthe: Chorizanthe parryi var. fernandina
- San Fernando Valley Spineflower: Chorizanthe parryi var. fernandina
- San Francisco Bay Spineflower: Chorizanthe cuspidata var. cuspidata
- San Francisco Bluegrass: Poa unilateralis
- San Francisco Campion: Silene verecunda
- San Francisco Gumplant: Grindelia hirsutula Hook. & Arn. var. maritima (Greene) M.A.Lane
- San Francisco Leather Petal: Graptopetalum rusbyi
- San Francisco Lessingia: Lessingia germanorum
- San Francisco Nailwort: Paronychia franciscana
- San Francisco Negro: Sclerolobium chrysophyllum
- San Francisco Owl’s-Clover: Triphysaria floribunda
- San Francisco Peaks Groundsel: Packera franciscana
- San Francisco Peaks Ragwort: Packera franciscana
- San Francisco Popcorn Flower: Plagiobothrys torreyi
- San Francisco River Leather-Petal: Graptopetalum rusbyi
- San Francisco River Leatherpet: Graptopetalum rusbyi
- San Francisco River Leatherpetal: Graptopetalum rusbyi
- San Francisco Spineflower: Chorizanthe cuspidata, Chorizanthe cuspidata var. cuspidata, Chorizanthe cuspidata var. villosa
- San Francisco Tall Bearded Iris: Iris ’San Francisco’
- San Francisco Wallflower: Erysimum franciscanum
- San Francisco Woodland-Star: Lithophragma affine, Lithophragma affine mixtum
- San Gabriel Alumroot: Heuchera abramsii
- San Gabriel Beardtongue: Penstemon labrosus
- San Gabriel Bedstraw: Galium grande
- San Gabriel Bluecup: Githopsis diffusa, Githopsis diffusa subsp. diffusa
- San Gabriel Linanthus: Linanthus concinnus
- San Gabriel Manzanita: Arctostaphylos gabrielensis
- San Gabriel Mountain Dudleya: Dudleya densiflora
- San Gabriel Mountain Scorpionweed: Phacelia oreopola subsp. oreopola
- San Gabriel Mountains Leather Oak: Quercus durata var. gabrielensis
- San Gabriel Mountains Live-Forever: Dudleya densiflora
- San Gabriel Mountains Liveforever: Dudleya densiflora
- San Gabriel Peavine: Lathyrus vestitus laetiflorus
- San Gabriel Ragwort: Senecio astephanus
- San Jacinto Beardtongue: Penstemon clevelandii connatus var. connatus
- San Jacinto Bedstraw: Galium californicum primum
- San Jacinto Bluecurls: Trichostema austromontanum, Trichostema austromontanum compactum
- San Jacinto Buckwheat: Eriogonum apiculatum
- San Jacinto Groundsmoke: Gayophytum heterozygum
- San Jacinto Lupine: Lupinus hyacinthinus
- San Jacinto Mountains Bedstraw: Galium angustifolium jacinticum
- San Jacinto Mountains Daisy: Erigeron breweri var. jacinteus (Hall) Cronq.
- San Jacinto Prickly Phlox: Leptodactylon jaegeri
- San Jacinto Valley Crownscale: Atriplex coronata notatior var. notatior
- San Joaquin Adobe Sunburst: Pseudobahia peirsonii
- San Joaquin Blazing-Star: Mentzelia pectinata
- San Joaquin Blazingstar: Mentzelia pectinata
- San Joaquin Bluecurls: Trichostema ovatum
- San Joaquin Dodder: Cuscuta brachycalyx
- San Joaquin Milkvetch: Astragalus asymmetricus
- San Joaquin Saltbush: Atriplex joaquiniana, Atriplex patula spicata
- San Joaquin Silver-Puffs: Microseris campestris
- San Joaquin Silverpuffs: Microseris campestris
- San Joaquin Snakeweed: Gutierrezia californica
- San Joaquin Tarplant: Holocarpha obconica
- San Joaquin Tarweed: Holocarpha obconica, Holocarpha obconica subsp. autumnalis, Holocarpha obconica obconica
- San Joaquin Valley Orcutt Grass: Orcuttia inaequalis
- San Joaquin Woolly Threads: Lembertia congdonii
- San Joaquin Woollythread: Lembertia congdonii
- San Joaquin Wooly-Threads: Lembertia congdonii
- San Jose Hesper Palm: Brahea brandegeei, Brahea brandegeei var. spiralis
- San Jose Holly: Ilex × aquipernyi ’San Jose’
- San Jose Juniper: Juniperus chinensis ’San José’
- San Jose Red Daylily: Hemerocallis ’San Jose Red’
- San Jose Tall Bearded Iris: Iris ’San Jose’
- San Juan Gilia: Gilia haydenii
- San Juan Milkvetch: Astragalus chuskanus
- San Juan Silver Tall Bearded Iris: Iris ’San Juan Silver’
- San Juan Sunset Daylily: Hemerocallis ’San Juan Sunset’
- San Juan Whitlow-Grass: Draba graminea
- San Juanes: Cattleya dowiana, Cattleya warscewiczii
- San Leandro Daylily: Hemerocallis ’San Leandro’
- San Leandro Tall Bearded Iris: Iris ’San Leandro’
- San Lorenzo Milkvine: Matelea borinquensis
- San Luis Blazingstar: Mentzelia micrantha
- San Luis Lupine: Lupinus ludovicianus
- San Luis Mariposa: Calochortus obispoensis
- San Luis Mariposa Lily:
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