- Sabal etonia
Scrub Palmetto - Sabal mexicana
Mexican Palmetto, Oaxaca Palmetto, Rio Grande Palmetto, Texas Palmetto - Sabal minor
Dwarf Palmetto - Sabal palmetto
Blue Palmetto - Saccharum officinarum Violaceum
Purple Sugar Cane, Burgundy Sugar Cane - Saccharum ravennae
Plume Grass - Sadleria cyatheoides
Tree Fern, Amaumau Fern, Rasp Fern - Sagina boydii
Pearl Wort - Sagina subulata
Pearl Wort - Sagina subulata Aurea
Golden Pearl Wort - Sagittaria lancifolia
Lance Leaf Arrowhead - Sagittaria lancifolia ruminoides
Red Stem Lance Leaf Arrowhead - Sagittaria latifolia
Duck Potato, Tule Potato, Broad Leaf Arrowhead - Sagittaria sagittifolia
Japanese Arrowhead - Sagittaria subulata
Arrowhead - Saintpaulia
African Violet - Saintpaulia ionantha
African Violet - Saintpaulia ionantha grotei
African Violet - Salix aegyptiaca
Musk Willow - Salix alba
White Willow - Salix alba Sericea
Silver Willow - Salix alba vitellina
Golden Willow - Salix babylonica
Chinese Weeping Willow, Corkscrew Willow, Peking Willow - Salix babylonica pekinensis Tortuosa
Tortured Willow, Hankow Willow, Curly Willow, Dragon's Claw, Globe Willow - Salix caprea Kilmarnock
Kilmarnock Willow, Weeping Pussy Willow - Salix daphnoides
Violet Willow - Salix elaeagnos
Hoary Willow - Salix exigua
Coyote Willow - Salix humboldtiana Pyramidalis
Humboldt's Willow, Chilean Pencil Willow - Salix lanata
Woolly Willow - Salix purpurea
Purple Osier - Salix sepulcralis Chrysocoma
Golden Weeping Willow - Salix viminalis
Common Osier, Basket Willow - Salpiglossis sinuata
Painted Tongue, Trumpet Flower, Paisley Flower - Salvadora persica
Toothbrush Tree, Mustard Tree - Salvia africana-lutea
Golden Salvia, Beach Salvia, Dune Salvia - Salvia Anthony Parker
Anthony Parker Sage - Salvia apiana
White Sage, Bee Sage - Salvia argentea
Silver Sage, Hopea Salvia - Salvia azurea
Azure Blue Sage - Salvia Black Knight
Black Knight Sage - Salvia cacaliifolia
Guatemalan Leaf Sage, Cacalia Sage - Salvia chamaedryoides
Germander Sage, Blue Chichuahuan Sage, Blue Oak Sage - Salvia coccinea
Scarlet Sage, Texas Sage, Tropical Sage, Blood Sage - Salvia corrugata
Ribbed Sage - Salvia discolor
Peruvian Black Sage, Andean Silver Leaf Sage - Salvia dolomitica
South African Sage, Dolomite Sage - Salvia elegans
Pineapple Sage - Salvia elegans Golden Delicious
Golden Pineapple Sage - Salvia farinacea alba
White Mealy Cup Sage - Salvia farinacea Blue Bedder
Mealy Cup Sage - Salvia farinacea Victoria
Mealy Cup Sage - Salvia fulgens
Pineapple Sage, Cardinal Sage - Salvia gesneriiflora
Grapefruit Sage - Salvia glutinosa
Jupiter's Distaff, Sticky Sage - Salvia greggii
Autumn Sage - Salvia greggii Alba
White Autumn Sage - Salvia greggii Navajo Purple
Autumn Sage - Salvia greggii Navajo Rose
Autumn Sage - Salvia guaranitica
Blue Anise Sage, Anise Scented Sage, Giant Blue Sage, Hummingbird Sage - Salvia guaranitica Costa Rica
Costa Rica Blue Sage, Blue Anise Sage - Salvia involucrata
Rose Leaf Sage - Salvia involucrata Bethellii
Bethel Sage, Rose Bud Sage - Salvia jamensis
Sage - Salvia jamensis Hot Lips
Hot Lips Sage - Salvia lavandulifolia
Spanish Sage - Salvia leucantha
Purple Mexican Bush Sage - Salvia microphylla
Baby Sage - Salvia microphylla Huntington
Huntington's Red Sage - Salvia microphylla Iced Lemon
Iced Lemon Sage - Salvia miniata
Belize Sage - Salvia nemorosa
Meadow Sage - Salvia officinalis
Common Sage - Salvia officinalis Icterina
Variegated Sage - Salvia officinalis Purpurascens
Purple Sage - Salvia officinalis Tricolor
Common Sage - Salvia patens
Gentian Sage - Salvia patens Cambridge Blue
Cambridge Blue Gentian Sage - Salvia pratensis
Meadow Clary - Salvia sinaloensis
Sinaloa Sage - Salvia splendens
Scarlet Sage - Salvia splendens Van-Houttei
Scarlet Sage - Salvia superba
Violet Sage - Salvia superba Merleau
Merleau Sage - Salvia sylvestris Mainacht
May Night Meadow Sage, Wood Sage - Salvia uliginosa
Bog Sage - Salvia viridis
Annual Clary, Painted Sage, Wild Clary, Blue Beard - Salvia Waverly
Waverly Sage - Sambucus australasica
Yellow Elderberry - Sambucus canadensis
American Elderberry - Sambucus canadensis Aurea
Golden American Elderberry - Sambucus nigra
Black Elderberry - Sambucus nigra Aureomarginata
Variegated Black Elderberry - Sambucus nigra Marginata
Variegated Black Elderberry - Sambucus nigra porphyrophylla Black Lace
Black Lace Elderberry - Sambucus nigra porphyrophylla Gerda
Black Elderberry - Sambucus nigra porphyrophylla Guincho Purple
Black Elderberry - Sambucus racemosa
Red Elderberry - Sambucus racemosa Plumosa Aurea
Cut Leaf Elderberry - Sambucus racemosa pubens
Red Elderberry - Sanchezia speciosa
Shrubby White Vein, Fire Fingers, Golden Zebra Plant - Sandersonia aurantiaca
Golden Lily of the Valley - Sanguinaria canadensis
Blood Root - Sanguisorba canadensis
Canadian Burnet - Sanguisorba obtusa
Burnet - Sanguisorba obtusa Alba
White Burnet - Sanguisorba officinalis
Greater Burnet - Sannantha bidwillii
Twiggy Heath Myrtle - Sannantha bidwillii Howie's Sweet Midget
Dwarf Heath Myrtle - Sannantha crenulata
Fern Leaf Baeckea - Sannantha pluriflora
Heath Myrtle - Sannantha similis
Heath Myrtle - Sannantha similis Howie's Feathertips
Dwarf Heath Myrtle - Sannantha tozerensis
Mt Tozer Heath Myrtle - Santalum obtusifolium
Sandalwood - Santolina chamaecyparissus
Cotton Lavender, Lavender Cotton, Cypress Cotton - Santolina rosmarinifolia
Rosemary Santolina, Green Santolina, Green Cotton Lavender, Holy Flax - Sanvitalia procumbens
Mexican Creeping Zinnia - Saponaria
Soap Wort - Saponaria officinalis
Soap Wort, Bouncing Bet - Saraca indica
Ashoka, Asoka Tree, Sorrowless Tree of India, Without Grief - Sarcocapnos enneaphylla
Sarcocapnos - Sarcocaulon herrei
Sarcocaulon - Sarcochilus falcatus
Orange Blossom Orchid - Sarcococca confusa
Sweet Box - Sarcococca hookeriana digyna
Sweet Box - Sarcococca pruniformis
Sweet Box - Sarcococca ruscifolia
Fragrant Sweet Box - Sarcococca saligna
Sweet Box - Sarcocornia quinqueflora
Samphire, Glass Wort - Sarcomelicope simplicifolia
Yellow Wood - Sarcopteryx stipata
Blunt Leaf Steel Wood - Saribus rotundifolius
Footstool Palm, Cabbage Palm, Round-Leaf Fan Palm, Java Palm - Saritaea magnifica
Purple Bignonia - Sarmienta repens
Sarmienta - Sarracenia
Pitcher Plant - Sarracenia flava
Yellow Trumpet, Yellow Pitcher Plant - Sarracenia leucophylla
White Pitcher Plant, Trumpet Pitcher - Sarracenia oreophila
Green Pitcher Plant - Sarracenia purpurea
Pitcher Plant, Sweet Pitcher Plant, Huntsman's Cup - Sasa veitchii
Kuma-Zasa Bamboo, Veitch's Bamboo - Sasaella masamuneana
Dwarf Bamboo - Sasaella masamuneana Albostriata
Dwarf Bamboo - Sassafras albidum
Sassafras - Satureja hortensis
Summer Savory - Satureja montana
Winter Savory - Satureja spicigera
Creeping Savory - Sauromatum venosum
Voodoo Lily - Saxegothaea conspicua
Prince Albert's Yew - Saxifraga callosa
Saxifrage - Saxifraga stolonifera
Strawberry Saxifrage, Strawberry Begonia, Roving Sailor - Saxifraga stolonifera Tricolor
Variegated Mother of Thousands - Scabiosa atropurpurea
Sweet Scabious, Mourning Bride, Mournful Widow, Pincushion Flower - Scabiosa atropurpurea Ace of Spades
Sweet Scabious, Mourning Bride, Mournful Widow, Pincushion Flower - Scabiosa atropurpurea Chile Black
Sweet Scabious, Mourning Bride, Mournful Widow, Pincushion Flower - Scabiosa caucasica
Caucasian Pincushion Flower - Scabiosa caucasica Lavender Blue
Caucasian Pincushion Flower - Scabiosa columbaria
Small Scabious, Dove Pincushion, Lesser Scabious, Pigeon's Scabious - Scabiosa graminifolia
Pincushion Flower - Scabiosa lucida
Pincushion Flower - Scabiosa stellata
Star Pincushion Flower, Cat's Eye - Scadoxus membranaceus
Dwarf Paintbrush Lily - Scadoxus multiflorus katherinae
Powder Puff, Blood Lily, Sea Egg, Katherine Wheel - Scaevola aemula
Fan Flower - Scaevola aemula Bushy Blue
Bushy Blue Fan Flower - Scaevola aemula Purple Fanfare
Purple Fanfare Fan Flower - Scaevola albida Mauve Carpet
Mauve Carpet Fan Flower - Scaevola albida Super Clusters
Super Clusters Fan Flower - Scaevola Aussie Crawl
Aussie Crawl Fan Flower - Scaevola Aussie Salute
Aussie Salute Fan Flower - Scaevola calendulacea
Dune Fan Flower, Scented Fan Flower - Scaevola Fan Magic Spellbinder
Spellbinder Fan Flower - Scaevola Fandancer
Fandancer Fan Flower - Scaevola Mauve Clusters
Mauve Clusters Fan Flower - Scaevola plumieri
Inkberry - Scaevola ramosissima
Purple Fan Flower - Scaevola taccada
Sea Lettuce Tree, Half Flower - Schefflera actinophylla
Queensland Umbrella Tree, Octupus Tree, Australian Ivy Palm, Ivy Palm - Schefflera arboricola
Miniature Umbrella Tree - Schefflera arboricola Madame De Smet
Variegated Miniature Umbrella Tree - Schefflera arboricola Variegata
Variegated Miniature Umbrella Tree - Schefflera bractescens
Climbing Umbrella Tree - Schefflera elegantissima
False Aralia - Schefflera heptaphylla
Ivy Tree - Schelhammera undulata
Lilac Lily - Schima wallichii
Schima - Schinus molle areira
Peppercorn Tree - Schinus terebinthifolius
Brazilian Pepper Tree - Schisandra chinensis
Magnolia Vine - Schisandra henryi
Schisandra - Schisandra rubriflora
Schisandra - Schizachyrium scoparium
Little Blue Stem - Schizaea bifida
Forked Comb Fern - Schizanthus
Poor Man's Orchid - Schizolobium parahybum
Tower Tree, Mexican Fern Tree - Schizomeria ovata
Crabapple, White Birch, White Cherry, Snow Berry - Schizopetalon walkeri
Schizopetalon - Schizophragma hydrangeoides
Schizophragma - Schizophragma integrifolium
Schizophragma - Schizostachyum brachycladum Yellow Form
Sacred Bali Bamboo - Schizostachyum jaculans
Blowpipe Bamboo - Schlumbergera
Winter Cactus, Zygocactus - Schoenoplectus mucronatus
Star Club Rush, Rough Seed Bulrush, Bog Bulrush - Schoenoplectus tabernaemontani
River Club Rush, Great Bulrush - Schoenoplectus tabernaemontani Albescens
Candy Stripe Bulrush - Schoenoplectus tabernaemontani Zebrinus
Zebra Rush, Banded Bulrush - Schoenus apogon
Fluke Bog Rush - Schoenus brevifolius
Zig Zag Bog Rush - Schoenus ericetorum
Heath Bog Rush - Schoenus imberbis
Beardless Bog Rush - Scholtzia involucrata
Spiked Scholtzia - Schotia afra
Karoo Boer Bean, Hottentot's Bean - Schotia brachypetala
African Walnut, Fuchsia Tree, Weeping Boerbean, Weeping Schotia - Schwantesia
Schwantesia - Sciadopitys verticillata
Japanese Umbrella Pine - Scilla allenii
Scilla - Scilla bifolia
Squill - Scilla peruviana
Peruvian Squill, Cuban Lily, Peruvian Lily, Peruvian Jacinth - Scilla siberica
Siberian Squill - Scirpoides holoschoenus
Round Headed Club Rush - Scirpoides holoschoenus Variegatus
Variegated Round Headed Club Rush - Scirpus polystachyus
Large Headed Club Rush - Scleranthus biflorus
Cushion Bush, Two-Flowered Knawel - Scleranthus uniflorus
Cushion Bush, Knawel - Sclerocactus
Sclerocactus - Scoliopus bigelovii
Stink Pod, Fetid Adder's Tongue - Scolopia braunii
Flintwood, Mountain Cherry, Brown Birch - Scopolia carniolica
Scopolia - Scrophularia auriculata
Water Figwort - Scrophularia auriculata Variegata
Variegated Water Figwort - Scutellaria alpina
Skullcap - Scutellaria baicalensis
Baikal Skullcap - Scutellaria indica
Indian Skullcap - Scutellaria orientalis
Skullcap - Searsia lancea
African Sumac, Willow Rhus - Searsia leptodictya
Mountain Karee - Securigera varia
Rosy-Flowered Crown Vetch, Hive Vine, Rose Vetch - Sedum acre
Biting Stonecrop - Sedum acre Aureum
Biting Stonecrop - Sedum adolphii
Coppertone Sedum - Sedum Autumn Joy
Autumn Joy Stonecrop - Sedum caeruleum
Blue Stonecrop - Sedum frutescens
Stonecrop - Sedum humifusum
Miniature Mexican Stonecrop - Sedum kamtschaticum floriferum
Stonecrop - Sedum kamtschaticum floriferum Weihenstephaner Gold
Stonecrop - Sedum Little Missy
Little Missy Sedum - Sedum lydium
Least Stonecrop - Sedum maximum Atropurpureum
Purple Orpine - Sedum mexicanum
Mexican Stonecrop - Sedum mexicanum Aureum
Mexican Stonecrop | - Sedum morganianum
Donkey Tail, Burro's Tail - Sedum obtusatum
Stonecrop - Sedum oxypetalum
Stonecrop - Sedum pachyphyllum
Blue Jelly Beans - Sedum populifolium
Stonecrop - Sedum rubrotinctum
Jelly Bean Plant, Pork and Beans - Sedum rupestre
Reflexed Stonecrop - Sedum sieboldii
Siebold's Stonecrop - Sedum sieboldii Mediovariegatum
Stonecrop - Sedum spathulifolium
Stonecrop - Sedum spathulifolium Cape Blanco
Silver Broad Leaf Stonecrop - Sedum spathulifolium Purpureum
Purple Broad Leaf Stonecrop - Sedum spurium
Caucasian Stonecrop, Two Row Stonecrop - Sedum spurium Purpurteppich
Purple Stonecrop - Sedum spurium Schorbuser Blut
Dragon's Blood Stonecrop - Sedum telephium
Orphine, Witch's Money Bags, Stonecrop, Live Forever - Selaginella kraussiana
Krauss' Spike Moss, Mat Spike Moss - Selaginella kraussiana Aurea
Golden Krauss' Spike Moss - Selaginella kraussiana Variegata
Variegated Krauss' Spike Moss - Selaginella lepidophylla
Resurrection Plant, Rose of Jericho - Selaginella uliginosa
Swamp Selaginella - Selaginella willdenovii
Peacock Fern - Selenicereus
Orchid Cactus - Selenicereus costaricensis
Dragon Fruit, Pitaya, Costa Rican Night Blooming Cactus - Selenicereus grandiflorus
Queen of the Night, Night Flowering Cactus - Selinum wallichianum
Milk Parsley - Semele androgyna
Liana - Semiaquilegia ecalcarata
Semiaquilegia - Semiarundinaria fastuosa
Narihira Bamboo - Sempervivum arachnoideum
Cobweb Houseleek - Sempervivum ciliosum
Houseleek - Sempervivum giuseppii Guiseppe
Joseph Houseleek - Sempervivum globiferum
Hen & Chicken Houseleek - Sempervivum grandiflorum
Big Leaf Houseleek - Sempervivum Magnificum
Houseleek - Sempervivum montanum
Mountain Houseleek - Sempervivum tectorum
Houseleek - Senecio doronicum
Leopard's Bane Ragwort - Senecio elegans
Purple Groundsel, Purple Ragwort, Red-Purple Ragwort - Senecio grandifolius
Senecio - Senecio lautus maritimus
Coast Groundsel, Variable Groundsel - Senecio linearifolius
Fire Weed Groundsel - Senecio macranthus
Groundsel - Senecio macroglossus
Cape Ivy - Senecio macroglossus Variegatus
Cape Ivy - Senecio pulcher
Ragwort - Senecio scandens
Groundsel - Senecio smithii
Senecio - Senecio viravira
Dusty Miller - Senegalia berlandieri
Thornless Cat Claw, Mimosa Cat Claw, Guajillo - Senna aciphylla
Sprawling Cassia, Australian Senna - Senna alata
Empress Candle Plant, Seven Golden Candlesticks, Ringworm Shrub - Senna artemisioides
Silver Cassia, Punty Bush - Senna artemisioides filifolia
Fine Leaf Desert Cassia, Punty Bush - Senna artemisioides x coriacea
Desert Cassia, Green Feathery Cassia, Punty Bush - Senna artemisioides zygophylla
Desert Cassia, Punty Bush - Senna candolleana
Winter Cassia - Senna corymbosa
Buttercup Bush, Tree Senna, Argentina Senna, Flowery Senna - Senna didymobotrya
Popcorn Cassia, Candelabra Tree, Peanut Butter Cassia, African Senna, Oatmeal Cassia - Senna form taxon sturtii
Sturt's Senna - Senna odorata
Southern Cassia - Senna pendula glabrata
Winter Cassia - Senna siamea
Kassod Tree, Cassod Tree, Siamese Shower, Siamese Cassia - Senna spectabilis
Spectacular Cassia - Senna spectabilis excelsa
Crown of Gold Tree - Senna surattensis
Scrambled Egg Plant, Sunshine Tree - Sequoia sempervirens
Coastal Redwood - Sequoiadendron giganteum
Giant Sequoia, Wellingtonia - Serenoa repens
Saw Tooth Palmetto - Seriphidium nutans
Seriphidium - Seriphidium tridentatum
Sage Brush - Serissa japonica
Snow Rose, Thousand Stars - Serissa japonica Variegata
Variegated Snow Rose, Thousand Stars - Serruria florida
Blushing Bride - Sesbania punicea
Red Sesbania, Coffee Weed, Rattle Pod, Rattle Box, Purple Sesbane, False Poinciana, Brazilian Glory Pea - Sesleria albicans
Blue Moor Grass - Sesleria autumnalis
Autumn Moor Grass - Sesleria heufleriana
Balkan Moor Grass - Sesleria nitida
Nest Moor Grass - Sesuvium portulacastrum
Shoreline Purslane, Sea Purslane - Setaria palmifolia
Palm Grass, African Pigeon Grass - Shepherdia argentea
Silver Buffalo Berry - Shibataea kumasaca
Fortune Inviting Bamboo, Ruscus Leaf Bamboo - Shortia galacifolia
Oconee Bells - Shortia soldanelloides
Shortia - Shortia uniflora Grandiflora
Shortia - Sibiraea laevigata
Sibiraea - Sidalcea candida
White Prairie Mallow, White Checker Bloom - Sidalcea malviflora
Dwarf Checker Mallow, Dwarf Checker Bloom - Silene acaulis
Moss Campion - Silene alpestris
Campion - Silene coeli-rosa
Rose of Heaven, Rose Silene, Viscaria - Silene pendula
Nodding Catchfly - Silene schafta
Campion - Silene uniflora
Sea Campion - Silphium laciniatum
Compass Plant - Silphium perfoliatum
Cup Plant - Silybum marianum
Blessed Mary's Thistle, Variegated Thistle, Blessed Milk Thistle - Simmondsia chinensis
Jojoba - Sinacalia tangutica
Chinese Groundsel, Chinese Ragwort - Sinningia canescens
Brazilian Edelweiss - Sinningia cardinalis
Cardinal Flower, Helmet Flower - Sinningia regina
Cinderella Slippers - Sinobambusa tootsik
Chinese Temple Bamboo - Sinofranchetia chinensis
Sinofranchetia - Sinojackia rehderiana
Jack Tree - Sinojackia xylocarpa
Jack Tree - Sinowilsonia henryi
Sinowilsonia - Sisyrinchium angustifolium
Blue Eyed Grass, Narrow Leaf Blue Eyed Grass - Sisyrinchium Devon Skies
Devon Skies Blue-Eyed Grass - Sisyrinchium idahoense
Idaho Blue Eyed Grass - Sisyrinchium idahoense macounii Album
White Idaho Blue Eyed Grass - Sisyrinchium striatum
Satin Flower, Pale Yellow Eyed Grass - Sisyrinchium striatum Aunt May
Satin Flower - Skimmia anquetilia
Skimmia - Skimmia confusa Kew Green
Kew Green Skimmia - Skimmia japonica
Japanese Skimmia - Skimmia japonica Rubella
Japanese Skimmia - Sloanea australis
Maiden's Blush, Blush Carabeen, Blush Alder - Smilax australis
Lawyer Vine - Smilax china
China Root - Smilax glyciphylla
Sweet Sarsaparilla - Smithiantha
Temple Bells - Smyrnium perfoliatum
Perfoliate Alexanders - Solandra grandiflora
Chalice Vine - Solandra maxima
Golden Chalice Vine, Cup of Gold - Solandra maxima Variegata
Variegated Golden Chalice Vine, Cup of Gold - Solanum aviculare
Kangaroo Apple - Solanum brownii
Violet Nightshade - Solanum crispum
Chilean Potato Vine - Solanum crispum Glasnevin
Chilean Potato Vine - Solanum laciniatum
Tasmanian Kangaroo Apple - Solanum laxum Album
White Potato Vine, Jasmine Nightshade - Solanum mauritianum
Wild Tobacco Bush - Solanum pseudocapsicum
Madeira Winter Cherry, Jerusalem Cherry - Solanum seaforthianum
St Vincent Lilac, Blue Potato Creeper, Brazilian Nightshade, Italian Jasmine, Climbing Nightshade - Solanum stelligerum
Devil's Needles - Solanum vescum
Gunyang - Solanum wendlandii
Paradise Flower, Potato Vine - Soldanella
Snowbell - Soldanella villosa
Snowbell - Soleirolia soleirolii
Baby's Tears, Mother of Thousands - Soleirolia soleirolii Aurea
Golden Baby's Tears - Soleirolia soleirolii Variegata
Baby's Tears - Solidago canadensis
Canadian Golden Rod - Solidaster luteus
Solidaster - Sonerila margaritacea
Sonerila - Sophora davidii
David's Mountain Laurel, Shrub Pagoda Tree - Sophora microphylla
Coastal Small Leaf Kowhai - Sophora secundiflora
Texas Mountain Laurel - Sophora tetraptera
Kowhai - Sorbaria kirilowii
Sorbaria - Sorbaria sorbifolia
Ural False Spirea - Sorbaria tomentosa
Kashmir False Spiraea - Sorbus alnifolia
Korean Mountain Ash - Sorbus americana
American Mountain Ash - Sorbus aria
Whitebeam - Sorbus aria Lutescens
Whitebeam - Sorbus aucuparia
Mountain Ash - Sorbus aucuparia Beissneri
Mountain Ash - Sorbus cashmiriana
Kashmir Rowan - Sorbus commixta
Japanese Rowan - Sorbus decora
Showy Mountain Ash - Sorbus domestica
Service Tree - Sorbus esserteauana
Rowan - Sorbus forrestii
Rowan - Sorbus hupehensis
Hubei Rowan - Sorbus intermedia
Swedish Whitebeam - Sorbus koehneana
Rowan - Sorbus latifolia
Service Tree of Fontainebleau - Sorbus megalocarpa
Large Fruited Whitebeam - Sorbus microphylla
Rowan - Sorbus pohuashanensis
Rowan - Sorbus prattii
Rowan - Sorbus reducta
Dwarf Chinese Mountain Ash - Sorbus sargentiana
Sargent's Rowan - Sorbus scalaris
Rowan - Sorbus scropulina
Rowan - Sorbus thibetica
Rowan - Sorbus thuringiaca
Oak Leaf Mountain Ash - Sorbus vestita
Rowan - Sorbus vilmorinii
Vilmorin's Rowan - Sorghastrum nutans
Yellow Indian Grass - Sowerbaea juncea
Vanilla Lily, Rush Lily, Chocolate Flower - Sparaxis elegans
Harlequin Flower - Sparaxis fragrans
Harlequin Flower - Sparaxis pillansii
Harlequin Flower - Sparaxis tricolor
Wand Flower, Tricolor Harleqin Flower - Sparrmannia africana
African Hemp, African Linden, Cape Stock Rose - Sparrmannia africana Flore Pleno
Double African Hemp, African Linden, Cape Stock Rose - Spartium junceum
Spanish Broom - Spartothamnella juncea
Bead Bush - Spathiphyllum Domino
Variegated Peace Lily - Spathiphyllum Sensation
Sensation Peace Lily - Spathiphyllum wallisii
Peace Lily - Spathodea campanulata
African Tulip Tree, Fireball, Fountain Tree, Flame Tree - Spathodea campanulata Aurea
Golden African Tulip Tree, Fireball, Fountain Tree, Flame Tree - Sphaeralcea coccinea
Prairie Mallow - Sphaeralcea fendleri
Prairie Mallow - Sphaeralcea munroana
Prairie Mallow, White Stem Globe Mallow - Sphaerolobium vimineum
Leafless Globe Pea - Sphagneticola trilobata
Singapore Daisy, Creeping Ox Eye - Spinifex sericeus
Hairy Spinifex - Spiraea Arguta
Bridal Wreath, Garland Spiraea, Bridal Spray - Spiraea cantoniensis Flore Pleno
May Bush - Spiraea japonica
Japanese Spiraea, Japanese Meadowsweet - Spiraea japonica Anthony Waterer
Japanese Spiraea - Spiraea japonica Goldflame
Goldflame Spiraea - Spiraea japonica Little Princess
Little Princess Spiraea - Spiraea thunbergii
Bridal Wreath, Thunberg's Meadowsweet - Spiranthes sinensis australis
Austral Ladies' Tresses - Spirodela polyrhiza
Greater Duckweed, Giant Duckweed - Spirodela punctata
Small Duckweed - Sporobolus airoides
Alkali Drop Seed, Alkali Sacaton - Sprekelia formosissima
Jacobean Lily - Sprengelia incarnata
Pink Swamp Heath - Spyridium scortechinii
Cotton Bush, Corroboree Flower - Stachys byzantina
Lamb's Ears, Woolly Hedge Nettle, Woolly Betony - Stachys byzantina Primrose Heron
Lamb's Ears - Stachys byzantina Silver Carpet
Lamb's Ears - Stachys candida
Betony - Stachys citrina
Betony - Stachys coccinea
Texas Betony, Scarlet Hedge Nettle - Stachys lavandulifolia
Betony - Stachys macrantha
Betony - Stachys officinalis
Wood Betony, Bishop Wort - Stachys sylvatica
Betony, Hedge Woundwort, White Spot - Stachyurus chinensis
Stachyurus - Stachyurus Magpie
Variegated Early Spike Tail - Stachyurus praecox
Early Spike Tail - Stackhousia monogyna
Creamy Candles - Stackhousia spathulata
Coast Stackhousia - Stangeria eriopus
Hottentot's Head Cycad - Stapelia gigantea
Carrion Flower, Giant Starfish Flower, Zulu Giant, Giant Toad Plant - Stapelianthus
Staphelianthus - Stapeliopsis
Stapeliopsis - Staphylea colchica
Caucasian Bladder Nut, Colchis Bladder Wort - Staphylea holocarpa
Bladder Nut - Staphylea pinnata
European Bladder Nut - Stauntonia hexaphylla
Stauntonia - Stellaria pungens
Prickly Starwort - Stenanthium gramineum
Feather Bells - Stenocactus crispatus
Permanent Wave Cactus - Stenocactus obvallatus
Permanent Wave Cactus - Stenocarpus davallioides
Fern Leaf Stenocarpus - Stenocarpus salignus
Scrub Beefwood, Red Silky Oak - Stenocarpus sinuatus
Queensland Fire Wheel Tree - Stenocereus eruca
Creeping Devil - Stenocereus thurberi
Organ Pipe Cactus
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