Saccaromyces boulardii (synonymous, order Saccharomycetales)
Saccaromyces cerevisiae (order Saccharomycetales)
Saccaromyces uvaruium (synonymous, order Saccharomycetales)
Saccorhiza polyschides (order Tilopteridales)
Sagina apetala (order Caryophyllales)
Sagittaria sagittifolia (order Alismatales)
Salacca zalacca (order Arecales)
Salamandra salamandra (order Caudata)
Saldinia platyclada (order Gentianales)
Salix aurita (order Malpighiales)
Salmonella choleraesuis (synonymous, order Enterobacteriales)
Salmonella enterica (order Enterobacteriales)
Salmonella enteritidis (synonymous, order Enterobacteriales)
Salmonella nyanza (synonymous, order Enterobacteriales)
Salmonella paratyphi (synonymous, order Enterobacteriales)
Salmonella typhi (synonymous, order Enterobacteriales)
Salmonella typhimurium (synonymous, order Enterobacteriales)
Salmonella virginiana (synonymous, order Enterobacteriales)
Salsola genistoides (order Caryophyllales)
Salsola incanescens (synonymous, order Caryophyllales)
Salsola melitensis (order Caryophyllales)
Salsola oppositifolia (order Caryophyllales)
Salterella expansa (synonymous, order Salterellida)
Salterella macculochi (order Salterellida)
Salterella mexicana (synonymous, order Salterellida)
Salterella rugosa (synonymous, order Salterellida)
Salvadora persica (order Brassicales)
Salvia canariensis (order Lamiales)
Salvia farinacea (order Lamiales)
Salvia merjamie (order Lamiales)
Salvia pratensis (order Lamiales)
Salvia verbenaca (order Lamiales)
Sambucus ebulus (order Dipsacales)
Sambucus nigra (order Dipsacales)
Samolus valerandi (order Ericales)
Sanguisorba minor (order Rosales)
Sanguisorba rupicola (order Rosales)
Sanguisorba verrucosa (order Rosales)
Sansevieria ballyi (order Asparagales)
Sansevieria cylindrica (order Asparagales)
Sansevieria ehrenbergii (order Asparagales)
Sansevieria fischeri (order Asparagales)
Sansevieria francisii (order Asparagales)
Sansevieria gracilis (order Asparagales)
Sansevieria singularis (synonymous, order Asparagales)
Santolina chamaecyparissus (order Asterales)
Santolina pectinata (order Asterales)
Santolina rosmarinifolia (order Asterales)
Sapindus saponaria (order Sapindales)
Sarcocornia perennis (order Caryophyllales)
Sarcographa tricosa (order Ostropales)
Sarcogyne clavus (order Acarosporales)
Sarcogyne regularis (order Acarosporales)
Sarcolaena grandiflora (order Malvales)
Sarcophaga carnaria (order Diptera)
Sarcosphaeria coronaria (order Pezizales)
Sargassum muticum (order Fucales)
Saribus rotundifolius (order Arecales)
Sarracenia alata (order Ericales)
Sarracenia x catesbaei (order Ericales)
Sarracenia flava (order Ericales)
Sarracenia leucophylla (order Ericales)
Sarracenia purpurea (order Ericales)
Sarracenia rosea (order Ericales)
Sarracenia rubra (order Ericales)
Saruma henryi (order Piperales)
Sasakia charonda (order Lepidoptera)
Satranala decussilvae (order Arecales)
Satureja obovata (order Lamiales)
Saturnia pyri (order Lepidoptera)
Satyrium pruni (order Lepidoptera)
Saxegothaea conspicua (order Pinales)
Saxifraga corsica (order Saxifragales)
Saxifraga cymbalaria (order Saxifragales)
Saxifraga exarata (order Saxifragales)
Saxifraga rotundifolia (order Saxifragales)
Saxifraga stellaris (synonymous, order Saxifragales)
Scabies crispata (order Unionida)
Scabiosa columbaria (order Dipsacales)
Scaeva albomaculata (order Diptera)
Scaeva pyrastri (order Diptera)
Scandix pecten-veneris (order Apiales)
Scarabaeus laticollis (order Coleoptera)
Scarabaeus semipunctatus (order Coleoptera)
Sathophaga stercoraria (order Diptera)
Scaurus punctatus (order Coleoptera)
Sceliphron curvatum (order Hymenoptera)
Sceliphron fuscum (order Hymenoptera)
Schefflera myriantha (order Apiales)
Schismatomma picconianum (order Arthoniales)
Schistidium apocarpum (order Grimmiales)
Schistidium crassipilum (order Grimmiales)
Schistidium robustum (order Grimmiales)
Schizolaena cauliflora (order Malvales)
Schizomeria ovata (order Oxalidales)
Schizophyllum amplum (order Agaricales)
Schizophyllum commune (order Agaricales)
Schizgyne glaberrima (order Asterales)
Sciadopitys verticillata (order Pinales)
Scilla peruviana (order Asparagales)
Scleranthus delortii (order Caryophyllales)
Sclerocarya birrea (order Sapindales)
Sclerococcum sphaerale (order Sclerococcales)
Scleroderma areolatum (order Boletales)
Scleroderma aurantium (synonymous, order Boletales)
Scleroderma citrinum (order Boletales)
Scleroderma verrucosum (order Boletales)
Scleroderma vulgare (synonymous, order Boletales)
Scolia hirta (order Hymenoptera)
Scolia flavifrons (synonymous, order Hymenoptera)
Scolia maculata (synonymous, order Hymenoptera)
Scoliciosporum umbrinum (order Lecanorales)
Scomber scombrus (order Perciformes)
Scoparia dulcis (order Lamiales)
Scorpiurum circinatum (order Hypnales)
Scorpiurus sulcatus (order Fabales)
Scorzonera angustifolia (order Asterales)
Scrophularia auriculata (order Lamiales)
Scrophularia tanacetifolia (order Lamiales)
Scrupocellaria reptans (synonymous, order Cheilostomatida)
Scyliorhinus canicula (order Carcharhiniformes)
Scyliorhinus stellaris (order Carcharhiniformes)
Scyphocrinites elegans (order Monobathrida)
Scyphophorus acupunctatus (order Coleoptera)
Scytonema aff cincinnatum (order Nostocales)
aff Scytonema ocellatum (order Nostocales)
Sechium edule (order Cucurbitales)
Sedum album (order Saxifragales)
Sedum allantoides (order Saxifragales)
Sedum amplexicaule (order Saxifragales)
Sedum andegavense (order Saxifragales)
Sedum arenarium (order Saxifragales)
Sedum caespitosum (order Saxifragales)
Sedum dasyphyllum (order Saxifragales)
Sedum dendroideum (order Saxifragales)
Sedum forsterianum (order Saxifragales)
Sedum nanifolium (order Saxifragales)
Sedum nudum (order Saxifragales)
Sedum palmeri (order Saxifragales)
Sedum rupestre (order Saxifragales)
Seirophora villosa (order Teloschistales)
Seladonia smaragdula (order Hymenoptera)
Selaginella biformis (order Selaginellales)
Selaginella braunii (order Selaginellales)
Selaginella denticulata (order Selaginellales)
Selaginella emmeliana (synonymous, order Selaginellales)
Selaginella gypsophila (order Selaginellales)
Selaginella pallescens (order Selaginellales)
Selaginella pilifera (order Selaginellales)
Selaginella proxima (order Selaginellales)
Selaginella selaginoides (order Selaginellales)
Selaginella umbrosa (order Selaginellales)
Selaginella uncinata (order Selaginellales)
Selaginella wrightii (order Selaginellales)
Selenihalanaerobacter shriftii (order Halanaerobiales)
Selenicereus brevispinus (order Caryophyllales)
Selenicereus spinulosus (order Caryophyllales)
Seligeria acutifolia (order Grimmiales)
Semicassis saburon (order Sorbeoconcha)
Sempervivum montanum (order Saxifragales)
Sempervivum tectorum (order Saxifragales)
Senecio articulatus (synonymous, order Asterales)
Senecio aschenbornianus (synonymous, order Asterales)
Senecio bombycopholis (synonymous, order Asterales)
Senecio canaliculatus (order Asterales)
Senecio cineraria (synonymous, order Asterales)
Senecio cyaneus (order Asterales)
Senecio gallicus (order Asterales)
Senecio jacobaea (synonymous, order Asterales)
Senecio johnstonii (synonymous, order Asterales)
Senecio kilimanjari (synonymous, order Asterales)
Senecio meruensis (synonymous, order Asterales)
Senecio meyeri-johannis (order Asterales)
Senecio nevadensis (order Asterales)
Senecio nivalis (synonymous, order Asterales)
Senecio petasitis (synonymous, order Asterales)
Senecio picticaulis (synonymous, order Asterales)
Senecio purtschelleri (order Asterales)
Senecio schweinfurthii (order Asterales)
Senecio telekii (order Asterales)
Senecio vulgaris (order Asterales)
Senna didymobotrya (order Fabales)
Sepsis fulgens (order Diptera)
Septoria cornicola (synonymous, order Capnodiales)
Septoria cyclaminis (order Capnodiales)
Septoria unedonis (synonymous, order Capnodiales)
Sepultaria arenicola (synonymous, order Pezizales)
Sequoia sempervirens (order Pinales)
Sequoiadendron giganteum (order Pinales)
Sericotrupes niger (order Coleoptera)
Serinus canaria (order Passeriformes)
Serinus serinus (order Passeriformes)
Sermylassa halensis (order Coleoptera)
Serrasalmus nattereri (synonymous, order Characiformes)
Serratia marcescens (order Enterobacteriales)
Sertularia perpusilla (order Leptomedusae)
Sesamoides purpurascens (order Brassicales)
Sesleria caerulea (order Poales)
Setaria gracilis (synonymous, order Poales)
Setaria parviflora (order Poales)
Setaria verticillata (order Poales)
Sherardia arvensis (order Gentianales)
Sibylla pannulata (order Mantodea)
Sibyllopsis pannulata (synonymous, order Mantodea)
Sida rhombifolia (order Malvales)
Sideritis dasygnaphala (order Lamiales)
Sideritis incana (order Lamiales)
Sideritis osteoxylla (order Lamiales)
Sideroxylon beguei (order Ericales)
Sideroxylon betsimisarakum (order Ericales)
Sideroxylon borbonicum (order Ericales)
Sideroxylon boutonianum (order Ericales)
Sideroxylon capuronii (order Ericales)
Sideroxylon cinereum (order Ericales)
Sideroxylon collinum (order Ericales)
Sideroxylon foetidissimum (synonymous, order Ericales)
Sideroxylon galeatum (order Ericales)
Sideroxylon gerrardianum (order Ericales)
Sideroxylon grandiflorum (order Ericales)
Sideroxylon majus (order Ericales)
Sideroxylon mastichodendron (synonymous, order Ericales)
Sideroxylon puberulum (order Ericales)
Sideroxylon saxorum (order Ericales)
Sideroxylon sessiliflorum (order Ericales)
Sideroxylon sp. nov. 1 (order Ericales)
Sideroxylon sp. nov. 2 (order Ericales)
Sideroxylon sp. nov. 3 (order Ericales)
Sideroxylon sp. nov. 4 (order Ericales)
Sideroxylon sp. nov. 5 (order Ericales)
Sideroxylon sp. nov. 6 (order Ericales)
Sideroxylon sp. nov. 7 (order Ericales)
Sideroxylon sp. nov. 8 (order Ericales)
Sideroxylon sp. nov. 9 (order Ericales)
Sideroxylon sp. nov. 10 (order Ericales)
Sideroxylon sp. nov. 11 (order Ericales)
Sideroxylon sp. nov. 12 (order Ericales)
Silene burchellii (order Caryophyllales)
Silene ciliata (order Caryophyllales)
Silene conoidea (order Caryophyllales)
Silene dioica (order Caryophyllales)
Silene hifacensis (order Caryophyllales)
Silene latifolia (order Caryophyllales)
Silene nutans (order Caryophyllales)
Silene ramosissima (order Caryophyllales)
Silene secundiflora (order Caryophyllales)
Silene uniflora (order Caryophyllales)
Silene vulgaris (order Caryophyllales)
Sinapis alba (order Brassicales)
Sinocalycanthus chinensis (order Laurales)
Sisymbrium orientale (order Brassicales)
Sitona lineatus (order Coleoptera)
Skyttea lettaui (synonymous, order Heliotales)
Smilax bona-nox (order Liliales)
Solanum betaceum (order Solanales)
Solanum dulcamara (order Solanales)
Solanum incanum (order Solanales)
Solanum lycopersicum (order Solanales)
Solanum tuberosum (order Solanales)
Soleirolia soleirolii (order Rosales)
Solidago virgaurea (order Asterales)
Solorina crocea (order Peltigerales)
Sonchus asper (order Asterales)
Sonchus dianae (order Asterales)
Sonchus oleraceus (order Asterales)
Sonchus tenerrimus (order Asterales)
Sonneratia caseolaris (order Myrtales)
Sophora tomentosa (order Fabales)
Sorbus x hybrida (order Rosales)
Sorbus torminalis (order Rosales)
Sorex minutus (order Soricomorpha)
Sorghum bicolor (order Poales)
Southbya nigrella (order Jungermanniales)
Sparassis miniensis (order Polyporales)
Sparganium angustifolium (order Poales)
Sparganium erectum (order Poales)
Sparus aurata (order Perciformes)
Spergularia bocconei (order Caryophyllales)
Spergularia diandra (order Caryophyllales)
Sphaerellothecium reticulatum (order Capnodiales)
Sphaerobolus iowensis (order Geastrales)
Sphaerococcus coronopifolius (order Gigartinales)
Sphaerobolus globosus (order Lecanorales)
Sphaeropteris cooperi (order Cyatheales)
Sphaeropteris excelsa (order Cyatheales)
Sphaeropteris medullaris (synonymous, order Cyatheales)
Sphaerothallia fruticulosa (synonymous, order Pertusariales)
Sphaerulina cornicola (order Capnodiales)
Sphagnum capillifolium (order Sphagnales)
Sphagnum compactum (order Sphagnales)
Sphenophorus abbreviatus (order Coleoptera)
Sphincterochila baetica (order Pulmonata)
Sphingonotus caerulans (order Orthoptera)
Sphinx maurorum (order Lepidoptera)
Spilostethus saxatilis (order Hemiptera)
Spinulum annotinum (order Lycopodiales)
Spirodela polyrhiza (order Alismatales)
Spondylis buprestoides (order Coleoptera)
Spondylus gaederopus (order Ostreoida)
Spongia officinalis (order Dictyoceratida)
Spongilla lacustris (order Spongillida)
Sporastatia testudinea (order Sporastatiales)
Sporopodium cf. argillaceum (order Lecanorales)
Squamarina cartilaginea (order Lecanorales)
Squamarina concrescens (order Lecanorales)
Squamarina crassa (synonymous, order Lecanorales)
Squamarina lentigera (order Lecanorales)
Squamarina oleosa (order Lecanorales)
Squamarina periculosa (order Lecanorales)
Squilla mantis (order Stomatopoda)
Stachys bizantina (order Lamiales)
Stachys lavandulifolia (order Lamiales)
Stachys ocymastrum (order Lamiales)
Stangeria eriopus (order Cycadales)
Stapelia gigantea (order Gentianales)
Stapelia variegata (synonymous, order Gentianales)
Stapelianthus decaryi (order Gentianales)
Staphylococcus aureus (order Bacillales)
Statice monopetala (synonymous, order Caryophyllales)
Stellaria media (order Caryophyllales)
Stenocactus crispatus (order Caryophyllales)
Stenocactus cf. multicostatus (order Caryophyllales)
Stenochlaena palustris (order Polypodiales)
Stenochlaena tenuifolia (order Polypodiales)
Stenophylax permistus (order Trichoptera)
Stenurella melanura (order Coleoptera)
Stephanocoenia intersepta (order Scleractinia)
Stereocaulon azoreum (order Lecanorales)
Stereocaulon evolutum (order Lecanorales)
Stereocaulon claviceps (order Lecanorales)
Stereocaulon ramulosum (order Lecanorales)
Stereocaulon vesuvianum (order Lecanorales)
Stereum hirsutum (order Russulales)
Steropleurus perezi (order Orthoptera)
Steropleurus stalii (synonymous, order Orthoptera)
Stichopthalma louisa (order Lepidoptera)
Sticta ambavillaria (order Peltigerales)
Sticta pulmonarioides (order Peltigerales)
Sticta tomentosa (order Peltigerales)
Sticta umbilicariiformis (order Peltigerales)
Sticta weigelii (order Peltigerales)
Sticta sp. A (order Peltigerales)
Sticta sp. B (order Peltigerales)
Sticta sp. C (order Peltigerales)
Sticta sp. D (order Peltigerales)
Stigmidium buelliae (order Capnodiales)
Stipa capensis (order Poales)
Stipa offneri (order Poales)
Stipa parviflora (order Poales)
Stipa pennata (order Poales)
Stipa tenacissima (order Poales)
Stoebe kilimanscharica (order Asterales)
Stramonita haemastoma (order Sorbeoconcha)
Strangalia melanura (synonymous, order Coleoptera)
Streblus asper (order Rosales)
Streblus dimepate (order Rosales)
Streptocarpus saxorum (order Lamiales)
Striatella unipunctata (order Striatellales)
Striatolamia macrota (order Lamniformes)
Striatum fulvum (synonymous, order Coleoptera)
Striatum unicolor (order Coleoptera)
Strobilurus stephanocystis (order Agaricales)
Strombus canarium (synonymous, order Sorbeoconcha)
Strombus gigas (synonymous, order Sorbeoconcha)
Strombus labiatum (synonymous, order Sorbeoconcha)
Strombus lentiginosus (synonymous, order Sorbeoconcha)
Strombus turturella (synonymous, order Sorbeoconcha)
Strombus urceus (synonymous, order Sorbeoconcha)
Strongylodon macrobotrys (order Fabales)
Stropharia coronilla (order Agaricales)
Stropharia rugosoannulata (order Agaricales)
Struthiola thomsonii (order Malvales)
Struthiopteris spicant (order Polypodiales)
Sturnus vulgaris (order Passeriformes)
Stylidium debile (order Asterales)
Suaeda mollis (order Caryophyllales)
Suaeda monoica (order Caryophyllales)
Suaeda vera (order Caryophyllales)
Suaeda vermiculata (synonymous, order Caryophyllales)
Subcoccinella vigintiquatuorpunctata (order Coleoptera)
Suillellus luridus (order Boletales)
Suillus bellinii (order Boletales)
Suillus flavidus (order Boletales)
Suillus luteus (order Boletales)
Suillus mediterraneensis (order Boletales)
Suillus variegatus (order Boletales)
Sulcorebutia steinbachii (order Caryophyllales)
Sultana sultana (order Pulmonata)
Sulzbacheromyces miomboensis (order Lepidostromatales)
Sus domestica (synonymous, order Cetartiodactyla)
Sus domesticus (synonymous, order Cetartiodactyla)
Sus scrofa (order Cetartiodactyla)
Sweitenia mahagoni (order Sapindales)
Swertia kilimandscharica (order Gentianales)
Sygarus schizophylla (order Arecales)
Sylvia melanocephala (order Passeriformes)
Symbiochloris reticulata (order Microthamniales)
Symbiochloris tschermakiae (order Microthamniales)
Sympetrum vulgatum (order Odonata)
Symphoricarpos albus (order Dipsacales)
Symphyotrichum novi-belgii (order Asterales)
Symphytum officinale (order Boraginales)
Symphytum tauricum (order Boraginales)
Syntrichia calcicola (order Pottiales)
Syntrichia ruralis (order Pottiales)
Syringa vulgaris (order Lamiales)
Syzygium aromaticum (order Myrtales)
Syzygium cumini (order Myrtales)
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