Ru - Sd
| Rubia balearica | Röte Balearen | Balearic Madder | Rubiaceae |
| Rubia peregrina | Röte Wilde | Wild Madder | Rubiaceae |
| Rubia tenuifolia | Röte Schmallblättige | Narro- leaved Madder | Rubiaceae |
| Rubia tinctorium | Färber- Röte | Dyer's Madder | Rubiaceae |
| Rubus caesius | Kratzbeere | European Dewberry | Rosaceae |
| Rubus canescens | Brombeere Filz | Wooly Bramble | Rosaceae |
| Rubus chamaemorus | Moltebeere | Cloudberry | Rosaceae |
| Rubus hirtus | Brombeere Dunkeldrüsige | Dark- glandular Bramble | Rosaceae |
| Rubus idaeus | Himbeere Gewöhnliche | Common Rasberry | Rosaceae |
| Rubus parviflorus | Himbeere Nutka | Thimbleberry | Rosaceae |
| Rubus phoenicolasius | Himbeere Rotborstige | Wine Rasberry | Rosaceae |
| Rubus odoratus | Himbeere Zimt | Purple-Flowering Raspberry | Rosaceae |
| Rubus saxatilis | Steinbeere | Stone Bramble | Rosaceae |
| Rubus sanctus | Brombeere Heilige | Holy Bramble | Rosaceae |
| Rubus spectabilis | Himbeere Pracht | Salmonberry | Rosaceae |
| Rubus x pseudidaeus | Bastard- Himbeere | Bastard Raspberry | Rosaceae |
| Rudbeckia fulgida | Sonnenhut Leuchtender | Orange Coneflower | Asteraceae |
| Rudbeckia grandiflora | Sonnenhut Großblütiger | Rough Coneflower | Asteraceae |
| Rudbeckia hirta | Sonnenhut Rauer | Hirsute Coneflower | Asteraceae |
| Rudbeckia laciniata | Sonnenhut Schlitzblättriger | Cutleaf Coneflower | Asteraceae |
| Rudbeckia triloba | Sonnenhut Dreilappiger | Branched Coneflower | Asteraceae |
| Rumex acetosa | Sauerampfer Großer | Common Sorrel | Polygonaceae |
| Rumex acetosella | Sauerampfer Kleiner | Sheep's Sorrel | Polygonaceae |
| Rumex aquaticus | Ampfer Wasser | Scottish Dock | Polygonaceae |
| Rumex aquitanicus | Ampfer Aquitanischer | Calabrian Dock | Polygonaceae |
| Rumex alpinus | Ampfer Alpen | Alpine Dock | Polygonaceae |
| Rumex arifolius | Sauerampfer Berg | Mountain Sorrel | Polygonaceae |
| Rumex balcanicus | Ampfer Balkan | Balkans Dock | Polygonaceae |
| Rumex bucephalophorus | Ampfer Stierkopf | Horned Dock | Polygonaceae |
| Rumex confertus | Ampfer Gedrungener | Russian Dock | Polygonaceae |
| Rumex conglomeratus | Ampfer Knäuel | Clustered Dock | Polygonaceae |
| Rumex crispus | Ampfer Krauser | Curled Dock | Polygonaceae |
| Rumex cristatus | Ampfer Griechischer | Crested Dock | Polygonaceae |
| Rumex dentatus | Ampfer Gezähnter | Toothed Dock | Polygonaceae |
| Rumex frutescens | Ampfer Strauchiger | Argentine Dock | Polygonaceae |
| Rumex hydrolapathum | Ampfer Fluss | Great Water Dock | Polygonaceae |
| Rumex induratus | Sauerampfer Blasen | Bladder Sorrel | Polygonaceae |
| Rumex intermedius | Sauerampfer Mittlerer | Intermediate Sorrel | Polygonaceae |
| Rumex kerneri | Ampfer Kerners | Kerner's Dock | Polygonaceae |
| Rumex longifolius | Ampfer Gemüse | Dooryard Dock | Polygonaceae |
| Rumex lunaria | Ampfer Kanaren | Canary Dock | Polygonaceae |
| Rumex maritimus | Sauerampfer Strand | Golden Dock | Polygonaceae |
| Rumex nebroides | Sauerampfer Gussones | Gussone's Sorrel | Polygonaceae |
| Rumex nepalensis | Ampfer Nepalesischer | Nepalese Dock | Polygonaceae |
| Rumex nivalis | Sauerampfer Schnee | Snow Sorrel | Polygonaceae |
| Rumex obtusifolius | Ampfer Stumpfblättriger | Broad- leaved Dock | Polygonaceae |
| Rumex obtusifolius ssp. sylvestris | Ampfer Östlicher | Wood Dock | Polygonaceae |
| Rumex palustris | Sauerampfer Sumpf | Marsh Dock | Polygonaceae |
| Rumex papillaris | Sauerampfer Warziger | Papillose Sorrel | Polygonaceae |
| Rumex patientia | Ampfer Garten | Patience Dock | Polygonaceae |
| Rumex pseudonatronatus | Ampfer Finnischer | Field Dock | Polygonaceae |
| Rumex pulcher | Ampfer Schöner | Fiddle Dock | Polygonaceae |
| Rumex pulcher ssp. anodontus | Ampfer Zahnloser | Toothless Dock | Polygonaceae |
| Rumex roseus | Sauerampfer Tanger | Tanger Sorrel | Polygonaceae |
| Rumex rugosus | Sauerampfer Garten | Garden Sorrel | Polygonaceae |
| Rumex rupestris | Ampfer Felsen | Shore Dock | Polygonaceae |
| Rumex sanguineus | Ampfer Blut | Redvein Dock | Polygonaceae |
| Rumex scutatus | Sauerampfer Schild | French Sorrel | Polygonaceae |
| Rumex stenophyllus | Ampfer Schmalblättriger | Narrow- leaved Dock | Polygonaceae |
| Rumex suffruticosus | Sauerampfer Strauchiger | Shrubby Sorrel | Polygonaceae |
| Rumex thyrsiflorus | Sauerampfer Rispenblütiger | Thyrse- flowered Sorrel | Polygonaceae |
| Rumex thyrsoides | Sauerampfer Rispiger | Thyrse Sorrel | Polygonaceae |
| Rumex triangulivalvis | Ampfer Weidenblättriger | Willow- leaved Dock | Polygonaceae |
| Rumex tuberosus | Sauerampfer Knolliger | Tuberous Sorrel | Polygonaceae |
| Rumex tuberosus ssp. horizontalis | Sauerampfer Waagrechter | Horizontal Sorrel | Polygonaceae |
| Rumex vesicarius | Sauerampfer Blasen | Bladder Sorrel | Polygonaceae |
| Rumex x heterophyllus | Ampfer Verschiedenblättriger | Diversely- leaved Dock | Polygonaceae |
| Rumex x pratensis | Ampfer Wiesen | Meadow Dock | Polygonaceae |
| Ruppia drepanensis | Salde Trapanische | Trapani Ditch- Grass | Ruppiaceae |
| Ruppia maritima | Salde Meeres | Common Ditch- Grass | Ruppiaceae |
| Ruppia spiralis | Salde Strand | Spiral Ditch- Grass | Ruppiaceae |
| Ruscus aculeatus | Mäusedorn Stechender | Pungent Butcher's Broom | Convallariaceae |
| Ruscus hypoglossum | Mäusedorn Zungen | Spineless Butcher's Broom | Convallariaceae |
| Ruscus hypophyllum | Mäusedorn Westmediterraner | Greater Butcher's Broom | Convallariaceae |
| Ruta angustifolia | Raute Schmalblättrige | Small- leaved Rue | Rutaceae |
| Ruta chalepensis | Raute Gefranste | Fringed Rue | Rutaceae |
| Ruta corsica | Raute Korsische | Corsican Rue | Rutaceae |
| Ruta graveolens | Raute Wein | Common Rue | Rutaceae |
| Ruta lamarmorae | Raute Gennargentu | Gennargentu Rue | Rutaceae |
| Ruta montana | Raute Berg | Mountain Rue | Rutaceae |
| Sagina apetala | Mastkraut Wimper | Annual Pearlwort | Caryphyllaceae |
| Sagina glabra | Mastkraut Kahles | Golden Pearlwort | Caryphyllaceae |
| Sagina maritima | Mastkraut Strand | Sea Pearlwort | Caryphyllaceae |
| Sagina merinoi | Mastkraut Merinos | Merino's Pearlwort | Caryphyllaceae |
| Sagina micropetala | Mastkraut Aufrechtes | Finged Pearlwort | Caryphyllaceae |
| Sagina nodosa | Mastkraut Knotiges | Knotted Pearlwort | Caryphyllaceae |
| Sagina pilifera | Mastkraut Korsisches | Corsican Pearlwort | Caryphyllaceae |
| Sagina procumbens | Mastkraut Niederliegendes | Birdeye Pearlwort | Caryphyllaceae |
| Sagina revelierei | Mastkraut Revelieres | Reveliere's Pearlwort | Caryphyllaceae |
| Sagina sabuletorum | Mastkraut Sand | Sand Pearlwort | Caryphyllaceae |
| Sagina saginoides | Mastkraut Alpen | Arctic Pearlwort | Caryphyllaceae |
| Sagina stridii | Mastkraut Strids | Strid's Pearlwort | Caryphyllaceae |
| Sagina subulata | Mastkraut Pfriemen | Awl- leaf Pearlwort | Caryphyllaceae |
| Sagina x normaniana | Mastkraut Schottisches | Scottish Pearlwort | Caryphyllaceae |
| Sagittaria calycina | Pfeilkraut Kelchiges | Mississippi Arrowhead | Alismataceae |
| Sagittaria latifolia | Pfeilkraut Veränderliches | Broadleaf Arrowhead | Alismataceae |
| Sagittaria platyphylla | Pfeilkraut Breitblättriges | Delta Arrowhead | Alismataceae |
| Sagittaria sagittifolia | Pfeilkraut Gewöhnliches | Common Arrowhead | Alismataceae |
| Sagitaria subulata | Pfeilkraut Pfriemenblättriges | Awl- leaf Arrowhead | Alismataceae |
| Salicornia europaea | Queller Kurzähren | Common Glasswort | Chenopodiaceae |
| Salicornia perennans | Queller Pannonien | Pannonian Glasswort | Chenopodiaceae |
| Salicornia procumbens | Queller Sandwatt | Long- spiked Glasswort | Chenopodiaceae |
| Salpichroa origanifolia | Salpichroa Oreganoblättriges | Lily of the valley vine | Solanaceae |
| Salsola genistoides | Salzkraut Ginsterähnliches | Broom- like Saltwort | Lamiaceae |
| Salsola kali | Salzkraut Kali | Common Saltwort | Lamiaceae |
| Salsola oppositifolia | Salzkraut Gegenblättriger | Opposite- leaved Saltwort | Lamiaceae |
| Salsola papillosa | Salzkraut Warziger | Papillose Saltwort | Lamiaceae |
| Salsola soda | Salzkraut Soda | Soda Saltwort | Lamiaceae |
| Salsola tragus | Salzkraut Dorniges | Prickly Saltwort | Lamiaceae |
| Salsola webbii | Salzkraut Webbs | Webb's Saltwort | Lamiaceae |
| Salvia aethiopis | Salbei Ungarischer | Mediterranean Sage | Lamiaceae |
| Salvia amplexicaulis | Salbei Stängelumfassender | Stem Clasping Violett Clary | Lamiaceae |
| Salvia argentea | Salbei Silber | Silver Sage | Lamiaceae |
| Salvia austriaca | Salbei Österreichischer | Austrian Sage | Lamiaceae |
| Salvia barrelieri | Salbei Barreliers | North African Sage | Lamiaceae |
| Salvia blancoana | Salbei Weißlicher | Whitish Sage | Lamiaceae |
| Salvia brachydon | Salbei Kurzzähniger | Short Tooth Sage | Lamiaceae |
| Salvia candelabrum | Salbei Kandelaber | Candelabra Spanish Sage | Lamiaceae |
| Salvia eichlerana | Salbei Eichlers | Eichler's Sage | Lamiaceae |
| Salvia forskahlii | Salbei Balkan | Indigo Woodland Sage | Lamiaceae |
| Salvia fruticosa | Salbei Dreilappiger | Greek Sage | Lamiaceae |
| Salvia glutinosa | Salbei Klebriger | Sticky Sage | Lamiaceae |
| Salvia hispanica | Chia Mexikanische | Chia | Lamiaceae |
| Salvia jurisicii | Salbei Mazedonischer | Feathered Sage | Lamiaceae |
| Salvia lavandulifolia | Salbei Lavendelblättriger | Spanish Sage | Lamiaceae |
| Salvia nemorosa | Salbei Steppen | Balkan Clary | Lamiaceae |
| Salvia nutans | Salbei Nickender | Nodding Sage | Lamiaceae |
| Salvia officinalis | Salbei Echter | Common Sage | Lamiaceae |
| Salvia phlomoides | Salbei Brandkrautähnlicher | Phlomis-like Sage | Lamiaceae |
| Salvia pomifera | Salbei Apfel | Apple Sage | Lamiaceae |
| Salvia pratensis | Salbei Wiesen | Meadow Clary | Lamiaceae |
| Salvia ringens | Salbei Olymp | Mount Olympus Sage | Lamiaceae |
| Salvia sclarea | Salbei Muskateller | Clary Sage | Lamiaceae |
| Salvia sclareoides | Salbei Portugiesischer | Portuguese Sage | Lamiaceae |
| Salvia tedii | Salbei Thrakischer | Thracian Sage | Lamiaceae |
| Salvia tomentosa | Salbei Filz | Balsamic Sage | Lamiaceae |
| Salvia valentina | Salbei Valencia | Valencia Sage | Lamiaceae |
| Salvia verbenaca | Salbei Eisenkraut | Wild Clary | Lamiaceae |
| Salvia verticillata | Salbei Quirlblütiger | Lilac Sage | Lamiaceae |
| Salvia virgata | Salbei Ruten | Wand Clary | Lamiaceae |
| Salvia viridis | Salbei Buntschopf | Annual Clary | Lamiaceae |
| Salvinia molesta | Schwimmfarn Lästiger | Giant Watermoss | Salviniaceae |
| Salvinia natans | Schwimmfarn Gewöhnlicher | Floating Watermoss | Salviniaceae |
| Sambucus ebulus | Holunder Zwerg | Dwarf Elderberry | Caprifoliaceae |
| Sambucus nigra | Holunder Schwarzer | Black Elderberry | Caprifoliaceae |
| Sambucus racemosa | Holunder Roter | Red Elderberry | Caprifoliaceae |
| Samolus valerandi | Bunge Salz | Seaside Brookweed | Primulaceae |
| Sanguisorba albanica | Wiesenkopf Albanischer | Albanian Burnet | Rosaceae |
| Sanguisorba ancistroides | Wiesenkopf Hakiger | Hooked Burnet | Rosaceae |
| Sanguisorba cretica | Wiesenkopf Kretischer | Cretan Burnet | Rosaceae |
| Sanguisorba dodecandra | Wiesenkopf Bergamasker | Italian Burnet | Rosaceae |
| Sanguisorba hybrida | Wiesenkopf Bastard | Glandulose Burnet | Rosaceae |
| Sanguisorba lateriflora | Wiesenkopf Seitenblütiger | Side- flowered Burnet | Rosaceae |
| Sanguisorba minor | Wiesenkopf Kleine | Small Burnet | Rosaceae |
| Sanguisorba officinalis | Wiesenkopf Großer | Official Burnet | Rosaceae |
| Sanguisorba rupicola | Wiesenkopf Felsen | Rock Burnet | Rosaceae |
| Sanguisorba verrucosa | Wiesenkopf Warziger | Mediterranean Salad Burnet | Rosaceae |
| Sanicula europea | Sanikel Wald | European Sanicle | Apiaceae |
| Santolina ageratifolia | Heiligenkraut Leberbalsamblättriges | Ageratum- leaved Lavender- Cotton | Asteraceae |
| Santolina benthamiana | Heiligenkraut Benthams | Bentham's Lavender- Cotton | Asteraceae |
| Santolina canescens | Heiligenkraut Graues | Grey Lavender- Cotton | Asteraceae |
| Santolina chamaecyparissus | Heiligenkraut Zypressen | Lavender- Cotton | Asteraceae |
| Santolina corsica | Heiligenkraut Korsisches | Corsican Lavender- Cotton | Asteraceae |
| Santolina decumbens | Heiligenkraut Niederliegendes | Decumbent Lavender Cotton | Asteraceae |
| Santolina elegans | Heiligenkraut Sierra- Nevada | Sierra Nevada Lavender Ctton | Asteraceae |
| Santolina etrusca | Heiligenkraut Etruskisches | Etruscan Lavender- Cotton | Asteraceae |
| Santolina impressa | Heiligenkraut Angedrücktes | Impressed Lavender- Cotton | Asteraceae |
| Santolina insularis | Heiligenkraut Sardisches | Sardinian Lavender- Cotton | Asteraceae |
| Santolina ligustica | Heiligenkraut Ligurisches | Ligurian Lavender Cotton | Asteraceae |
| Santolina magonica | Heiligenkraut Balearen | Balearic Lavender- Cotton | Asteraceae |
| Santolina melidensis | Heiligenkraut Melide | Galician Lavender- Cotton | Asteraceae |
| Santolina montiberica | Heiligenkraut Sistema Iberico | Sistema Iberico Lavender- Cotton | Asteraceae |
| Santolina neapolitana | Heiligenkraut Neapolitanisches | Neapolitan Lavender- Cotton | Asteraceae |
| Santolina oblongifolia | Heiligenkraut Langblättriges | Oblong Lavender- Cotton | Asteraceae |
| Santolina pectinata | Heiligenkraut Kamm | Pectinate Lavender- Cotton | Asteraceae |
| Santolina pinnata | Heiligenkraut Gefiedertes | Pinnate Lavender Cotton | Asteraceae |
| Santolina rosmarinifolia | Heiligenkraut Rosmarinblättriges | Rosemary- leaved Lavender- Cotton | Asteraceae |
| Santolina semidentata | Heiligenkraut Halbgezähntes | Half- dentate Lavender- Cotton | Asteraceae |
| Santolina vedranensis | Heiligenkraut Es Vedra | Es Vedra Lavender- Cotton | Asteraceae |
| Santolina villosa | Heiligenkraut Behaartes | Villose Lavender- Cotton | Asteraceae |
| Santolina virens | Heiligenkraut Grünes | Green Lavender- Cotton | Asteraceae |
| Santolina viscosa | Heiligenkraut Klebriges | Sticky Lavender- Cotton | Asteraceae |
| Saponaria aenesia | Seifenkraut Aeneas | Aeneas Soapwort | Caryophyllaceae |
| Saponaria bellidifolia | Seifenkraut Löffelblättriges | Spoon- leaved Soapwort | Caryophyllaceae |
| Saponaria caespitosa | Seifenkraut Rasiges | Tufted Soapwort | Caryophyllaceae |
| Saponaria calabrica | Seifenkraut Kalabrisches | Calabrian Soapwort | Caryophyllaceae |
| Saponaria glutinosa | Seifenkraut Klebriges | Sticky Soapwort | Caryophyllaceae |
| Saponaria intermedia | Seifenkraut Mittleres | Medium Soapwort | Caryophyllaceae |
| Saponaria jagelii | Seifenkraut Jagels | Jagel's Soapwort | Caryophyllaceae |
| Saponaria lutea | Seifenkraut Gelbes | Yellow Soapwort | Caryophyllaceae |
| Saponaria ocymoides | Seifenkraut Rotes | Rock Soapwort | Caryophyllaceae |
| Saponaria officinalis | Seifenkraut Echtes | Common Soapwort | Caryophyllaceae |
| Saponaria pumila | Seifenkraut Niedriges | Dwarf Soapwort | Caryophyllaceae |
| Saponaria sicula | Seifenkraut Sizilianisches | Sicilian Soapwort | Caryophyllaceae |
| Sarcocornia alpini | Gliedermelde Alpine | Alpine Glasswort | Lamiaceae |
| Sarcocornia fruticosa | Gliedermelde Strauchige | Shrubby Glasswort | Lamiaceae |
| Sarcocornia perennis | Gliedermelde Ausdauernde | Perennial Glasswort | Lamiaceae |
| Sarcopoterium spinosum | Wiesenknopf Dorniger | Thorny Burnet | Rosaceae |
| Satureja athoa | Bohnenkraut Athos | Athos Savory | Lamiaceae |
| Satureja cuneifolia | Bohnenkraut Keilblättriges | Cuneate Savory | Lamiaceae |
| Satureja hellenica | Bohnenkraut Griechisches | Greek Savory | Lamiaceae |
| Satureja hortensis | Bohnenkraut Garten | Summer Savory | Lamiaceae |
| Satureja horvatii | Bohnenkraut Horvats | Horvat's Savory | Lamiaceae |
| Satureja icarica | Bohnenkraut Ikarisches | Ikaria Savory | Lamiaceae |
| Satureja innota | Bohnenkraut Levante | Unknown Savory | Lamiaceae |
| Satureja intricata | Bohnenkraut Verworrenes | Entngled Savory | Lamiaceae |
| Satureja macedonica | Bohnenkraut Mazedonisches | Macedonian Savory | Lamiaceae |
| Satureja montana | Bohnenkraut Berg | Winter Savory | Lamiaceae |
| Satureja parnassica | Bohnenkraut Parnassos | Parnassos Savory | Lamiaceae |
| Satureja pilosa | Bohnenkraut Behaartes | Hairy Savory | Lamiaceae |
| Satureja spinosa | Bohnenkraut Dorniges | Spiny Savory | Lamiaceae |
| Satureja subspicata | Bohnenkraut Illyrisches | Illyrian Savory | Lamiaceae |
| Satureja thymbra | Bohnenkraut Thymianblättriges | Thyme- leaved Savory | Lamiaceae |
| Saururus cernuus | Molchschwanz Amerikanischer | Lizard's Tail | Lamiaceae |
| Saussurea alpina | Alpenscharte Echte | Alpine Saussurea | Lamiaceae |
| Saussurea depressa | Alpenscharte Niedere | Depressed Saussurea | Lamiaceae |
| Saussurea discolor | Alpenscharte Zweifarbige | Heart- leaved Saussurea | Lamiaceae |
| Saussurea pygmea | Alpenscharte Zwerg | Dwarf Saussurea | Lamiaceae |
| Scabiosa andryalifolia | Skabiose Andryalablättrige | Andryala- leaved Scabious | Dipsacaceae |
| Scabiosa atropurpurea | Skabiose Samt | Mediterranean Scabious | Dipsacaceae |
| Scabiosa balcanica | Skabiose Balkan | Balcan Scabious | Dipsacaceae |
| Scabiosa canescens | Skabiose Graue | Fragrant Scabious | Dipsacaceae |
| Scabiosa cinerea | Skabiose Aschgraue | Ash- grey Scabious | Dipsacaceae |
| Scabiosa columbaria | Skabiose Tauben | Tender Scabious | Dipsacaceae |
| Scabiosa corsica | Skabiose Korsische | Corsican Scabious | Dipsacaceae |
| Scabiosa fumarioides | Skabiose Erdrauchblättrige | Fumaria- leaved Scabious | Dipsacaceae |
| Scabiosa galianoi | Skabiose Galianos | Galiano's Scabious | Dipsacaceae |
| Scabiosa hladnikiana | Skabiose Krainer | Carneolian Scabious | Dipsacaceae |
| Scabiosa holosericea | Skabiose Seidenhaarige | Silk- haired Scabious | Dipsacaceae |
| Scabiosa lucida | Skabiose Glänzende | Tender Scabious | Dipsacaceae |
| Scabiosa ochroleuca | Skabiose Gelbe | Cream Scabious | Dipsacaceae |
| Scabiosa parviflora | Skabiose Sizilianische | Sicilian Scabious | Dipsacaceae |
| Scabiosa silenifolia | Skabiose Karst | Catchfly- leaved Scabious | Dipsacaceae |
| Scabiosa taygetea | Skabiose Taygetos | Taygetos Scabious | Dipsacaceae |
| Scabiosa tenuis | Skabiose Zarte | Tender Scabious | Dipsacaceae |
| Scabiosa triandra | Skabiose Südliche | Southern Scabious | Dipsacaceae |
| Scabiosa triniifolia | Skabiose Faserschirmblättrige | Trinia- leaved Scabious | Dipsacaceae |
| Scabiosa turolensis | Skabiose Filzige | Tender Scabious | Dipsacaceae |
| Scabiosa velenovskyana | Skabiose Zweifelhafte | Doubtful Scabious | Dipsacaceae |
| Scabiosa vestina | Skabiose Südtiroler | Valvestino Scabious | Dipsacaceae |
| Scabiosa vestita | Skabiose Piemonteser | Velutinous Scabious | Dipsacaceae |
| Scabiosa webbiana | Skabiose Webbs | Webb's Scabious | Dipsacaceae |
| Sceptridium multifidum | Mondraute Vielteilige | Leathery Moonwort | Ophioglossaceae |
| Schenkia spicata | Tausendgüldenkraut Ähriges | Branched Centaury | Gentianaceae |
| Scheuchzeria palustris | Blasenbinse Sumpf | Marsh Scheuchzeria | Scheuchzeriaceae |
| Schinus molle | Pfefferbaum Peruanischer | Peruvian Peppertree | Anacardiaceae |
| Schinus terebinthifolia | Pfefferbaum Brasilianischer | Brasilian Peppertree | Anacardiaceae |
| Scilla albanica | Blaustern Albanischer | Albanian Squill | Hyacinthaceae |
| Scilla amoena | Blaustern Schöner | Star Squill | Hyacinthaceae |
| Scilla andria | Blaustern Andros | Andros Squill | Hyacinthaceae |
| Scilla autumnalis | Blaustern Herbst | Autumn Squill | Hyacinthaceae |
| Scilla bifolia | Blaustern Zweiblättriger | Alpine Squill | Hyacinthaceae |
| Scilla cydonia | Blaustern Kretischer | Cretan Squill | Hyacinthaceae |
| Scilla dimartinoi | Blaustern Di Martinos | Di Martino's Squill | Hyacinthaceae |
| Scilla drunensis | Blaustern Traun | Traun Squill | Hyacinthaceae |
| Scilla elisae | Blaustern Elisas | Elisa's Squill | Hyacinthaceae |
| Scilla hyacinthoides | Blaustern Hyazinth | Hyacinth Squill | Hyacinthaceae |
| Scilla lilio- hyacinthoides | Blaustern Pyrenäen | Pyrenean Squill | Hyacinthaceae |
| Scilla lakusicii | Blaustern Lakusics | Lakusic's Squill | Hyacinthaceae |
| Scilla litardirei | Blaustern Amethyst | Litardiere's Squill | Hyacinthaceae |
| Scilla messeniaca | Blaustern Messenischer | Messenianan Squill | Hyacinthaceae |
| Scilla mischtschenkoana | Blaustern Hellblütiger | White Squill | Hyacinthaceae |
| Scilla monophyllos | Blaustern Einblättriger | One- leaf Squill | Hyacinthaceae |
| Scilla nivalis | Blaustern Schnee | Snow Squill | Hyacinthaceae |
| Scilla merinoi | Blaustern Merinos | Merino's Squill | Hyacinthaceae |
| Scilla numidica | Blaustern Numidischer | Numidian Squill | Hyacinthaceae |
| Scilla obtusifolia | Blaustern Stumpfblättriger | Blunt- leaved Squill | Hyacinthaceae |
| Scilla peruviana | Blaustern Peruanischer | Giant Squill | Hyacinthaceae |
| Scilla pneumonanthe | Blaustern Lungen | Lung Squill | Hyacinthaceae |
| Scilla ramburei | Blaustern Ramburs | Rambur's Squill | Hyacinthaceae |
| Scilla reuteri | Blaustern Reuters | Reuter's Squill | Hyacinthaceae |
| Scilla siberica | Blaustern Sibirischer | Sibirian Squill | Hyacinthaceae |
| Scilla spetana | Blaustern Spetas | Speta's Squill | Hyacinthaceae |
| Scilla subnivalis | Blaustern Schneeähnlicher | Snow- like Squill | Hyacinthaceae |
| Scilla talosii | Blaustern Talos' | Talos's Squill | Hyacinthaceae |
| Scilla umbellata | Blaustern Dolden | Umbellate Squill | Hyacinthaceae |
| Scilla verna | Blaustern Frühlings | Spring Squill | Hyacinthaceae |
| Scilla vindobonensis | Blaustern Wiener | Viennese Squill | Hyacinthaceae |
| Scilla voethorum | Blaustern Vöths | Voeth's Squill | Hyacinthaceae |
| Scolymus grandiflorus | Golddistel Großblütige | Large Flowered Golden Thistle | Asteraceae |
| Scolymus hispanicus | Golddistel Spanische | Common Golden Thistle | Asteraceae |
| Scolymus maculatus | Golddistel Gefleckte | Spotted Golden Thistle | Asteraceae |
| Scopolia carniolica | Tollkraut Krainer | Henbane Bell | Solanaceae |
| Scorzonera albicans | Schwarzwurzel Weißliche | Whitish Viper's Grass | Asteraceae |
| Scorzonera angustifolia | Schwarzwurzel Schmalblättrige | Narrow- leaved Viper's Grass | Asteraceae |
| Scorzonera araneosa | Schwarzwurzel Spinnen | Spidery Viper's Grass | Asteraceae |
| Scorzonera aristata | Schwarzwurzel Grannen | Bearded Viper's Grass | Asteraceae |
| Scorzonera austriaca | Schwarzwurzel Österreichische | Austrian Viper's Grass | Asteraceae |
| Scorzonera baetica | Schwarzwurzel Baetische | Baetian Viper's Grass | Asteraceae |
| Scorzonera cana | Schwarzwurzel Graue | Grey Viper's Grass | Asteraceae |
| Scorzonera cretica | Schwarzwurzel Kretische | Cretan Viper's Grass | Asteraceae |
| Scorzonera crocifolia | Schwarzwurzel Krokusblättrige | Crocus- leaved Viper's Grass | Asteraceae |
| Scorzonera doriae | Schwarzwurzel Dorias | Doria's Viper's Grass | Asteraceae |
| Scorzonera elata | Schwarzwurzel Hohe | Tall Viper's Grass | Asteraceae |
| Scorzonera hirsuta | Schwarzwurzel Behaarte | Hairy Viper's Grass | Asteraceae |
| Scorzonera hispanica | Schwarzwurzel Garten | Spanish Viper's Grass | Asteraceae |
| Scorzonera humilis | Schwarzwurzel Niedrige | Dwarf Viper's Grass | Asteraceae |
| Scorzonera judaica | Schwarzwurzel Judäische | Cold- loving Viper's Grass | Asteraceae |
| Scorzonera laciniata | Schwarzwurzel Schlitzblättrige | Curleaf Viper's Grass | Asteraceae |
| Scorzonera lafranchisiana | Schwarzwurzel Lafranchis' | Lafranchis's Viper's Grass | Asteraceae |
| Scorzonera mollis | Schwarzwurzel Weiche | Soft Viper's Grass | Asteraceae |
| Scorzonera parviflora | Schwarzwurzel Kleine | Small Viper's Grass | Asteraceae |
| Scorzonera purpurea | Schwarzwurzel Violette | Purple Viper's Grass | Asteraceae |
| Scorzonera reverchonii | Schwarzwurzel Reverchons | Reverchon's Viper's Grass | Asteraceae |
| Scorzonera rosea | Schwarzwurzel Rosen | Rosy Viper's Grass | Asteraceae |
| Scorzonera scyria | Schwarzwurzel Skyros | Scyrian Viper's Grass | Asteraceae |
| Scorzonera sublanata | Schwarzwurzel Schwachwollige | Wooly Viper's Grass | Asteraceae |
| Scorzonera undulata | Schwarzwurzel Violette | Purple Viper's Grass | Asteraceae |
| Scorzonera villosa | Schwarzwurzel Zottige | Villous Viper's Grass | Asteraceae |
| Scorzoneroides autumnalis | Schuppenlöwenzahn Herbst | Autumn Hawkbit | Asteraceae |
| Scorzoneroides carpetana | Schuppenlöwenzahn Carpetana | Carpetana Hawkbit | Asteraceae |
| Scorzoneroides cichoriacea | Schuppenlöwenzahn Wegwarten | Chickory Hawkbit | Asteraceae |
| Scorzoneroides crocea | Schuppenlöwenzahn Safran | Saffron Hawkbit | Asteraceae |
| Scorzoneroides duboisii | Schuppenlöwenzahn Dubois' | Dubois's Hawkbit | Asteraceae |
| Scorzoneroides helvetica | Schuppenlöwenzahn Schweizer | Swiss Hawkbit | Asteraceae |
| Scorzoneroides montana | Schuppenlöwenzahn Berg | Mountain Hawkbit | Asteraceae |
| Scorzoneroides microcephala | Schuppenlöwenzahn Kleinköpfiger | Small- headed Hawkbit | Asteraceae |
| Scorzoneroides muelleri | Schuppenlöwenzahn Müllers | Mueller's Hawkbit | Asteraceae |
| Scorzoneroides nevadensis | Schuppenlöwenzahn Sierra Nevada | Sierra Nevada Hawkbit | Asteraceae |
| Scorzoneroides palisiae | Schuppenlöwenzahn Palis' | Palis's Hawkbit | Asteraceae |
| Scorzoneroides pyrenaica | Schuppenlöwenzahn Pyrenäen | Pyrenean Hawkbit | Asteraceae |
| Scrophularia aestivalis | Braunwurz Herbst | Autumn Figwort | Scrophulariaceae |
| Scrophularia alpestris | Braunwurz Alpen | Alpine Figwort | Scrophulariaceae |
| Scrophularia arguta | Braunwurz Scharfzähnige | Slender Upright Figwort | Scrophulariaceae |
| Scrophularia auriculata | Braunwurz Wasser | Shoreline Figwort | Scrophulariaceae |
| Scrophularia bosniaca | Braunwurz Bosnische | Bosnian Figwort | Scrophulariaceae |
| Scrophularia bourgaeana | Braunwurz Bourgeaus | Bourgeau's Figwort | Scrophulariaceae |
| Scrophularia canina | Braunwurz Hunds | French Figwort | Scrophulariaceae |
| Scrophularia crithmifolia | Braunwurz Meerfenchelblättrige | Crithmum- leaved Figwort | Scrophulariaceae |
| Scrophularia chrysantha | Braunwurz Gold | Golden Figwort | Scrophulariaceae |
| Scrophularia floribunda | Braunwurz Reichblütige | Many- flowered Figwort | Scrophulariaceae |
| Scrophularia frutescens | Braunwurz Strauchige | Shrubby Figwort | Scrophulariaceae |
| Scrophularia grandiflora | Braunwurz Großblütige | Large- flowered Figwort | Scrophulariaceae |
| Scrophularia herminii | Braunwurz Montes Herminios | Montes Herminios Figwort | Scrophulariaceae |
| Scrophularia heterophylla | Braunwurz Verschiedenblättrige | Various- leaved Figwort | Scrophulariaceae |
| Scrophularia laciniata | Braunwurz Fiederlappige | Cut- leaved Figwort | Scrophulariaceae |
| Scrophularia laxiflora | Braunwurz Lockerblütige | Lax- flowered Figwort | Scrophulariaceae |
| Scrophularia lucida | Braunwurz Glänzende | Shining Figwort | Scrophulariaceae |
| Scrophularia lyrata | Braunwurz Leierblättrige | Lyra- leaved Figwort | Scrophulariaceae |
| Scrophularia morisii | Braunwurz Moris' | Moris's Figwort | Scrophulariaceae |
| Scrophularia myriophylla | Braunwurz Tausendblatt | Thousand- leaf Figwort | Scrophulariaceae |
| Scrophularia nodosa | Braunwurz Knoten | Woodland Figwort | Scrophulariaceae |
| Scrophularia oxyryncha | Braunwurz Schnabel | Beaked Figwort | Scrophulariaceae |
| Scrophularia peregrina | Braunwurz Fremde | Nettle- leaved Figwort | Scrophulariaceae |
| Scrophularia pinardii | Braunwurz Pinards | Pinard's Figwort | Scrophulariaceae |
| Scrophularia pyrenaica | Braunwurz Pyrenäen | Pyrenean Figwort | Scrophulariaceae |
| Scrophularia reuteri | Braunwurz Reuters | Reuter's Figwort | Scrophulariaceae |
| Scrophularia sambucifolia | Braunwurz Holunderblättrige | Elderberry- leaved Figwort | Scrophulariaceae |
| Scrophularia scopolii | Braunwurz Drüsige | Italian Figwort | Scrophulariaceae |
| Scrophularia scorodonia | Braunwurz Knoblauch | Balm- leaved Figwort | Scrophulariaceae |
| Scrophularia spinulescens | Braunwurz Samothraki | Spiny Figwort | Scrophulariaceae |
| Scrophularia sublyrata | Braunwurz Attichblättrige | Danewort- leaved Figwort | Scrophulariaceae |
| Scrophularia tanacetifolia | Braunwurz Wucherblumenblättrige | Tanacetum- leaved Figwort | Scrophulariaceae |
| Scrophularia trifoliata | Braunwurz Dreiblättrige | Three- foliate Figwort | Scrophulariaceae |
| Scrophularia umbrosa | Braunwurz Flügel | Water Figwort | Scrophulariaceae |
| Scrophularia valdesii | Braunwurz Valdes' | Valdes's Figwort | Scrophulariaceae |
| Scrophularia vernalis | Braunwurz Gold | Golden Figwort | Scrophulariaceae |
| Scrophularia viciosoi | Braunwurz Viciosos | Vicioso's Figwort | Scrophulariaceae |
| Scutellaria albida | Helmkraut Weißes | Whitish Scullcap | Lamiaceae |
| Scutellaria alpina | Helmkraut Alpen | Alpine Scullcap | Lamiaceae |
| Scutellaria altissima | Helmkraut Hohes | Tall Scullcap | Lamiaceae |
| Scutellaria balearica | Helmkraut Balearen | Balearic Scullcap | Lamiaceae |
| Scutellaria brevicracteata | Helmkraut Ikaria | Icarian Scullcap | Lamiaceae |
| Scutellaria columnae | Helmkraut Colonnas | Large Scullcap | Lamiaceae |
| Scutellaria galericulata | Helmkraut Sumpf | Marsh Scullcap | Lamiaceae |
| Scutellaria goulimyi | Helmkraut Goulimis | Goulimis' Scullcap | Lamiaceae |
| Scutellaria hastifolia | Helmkraut Spießblättriges | Norfolk Scullcap | Lamiaceae |
| Scutellaria hirta | Helmkraut Behaartes | Hairy Scullcap | Lamiaceae |
| Scutellaria minor | Helmkraut Kleines | Lesser Scullcap | Lamiaceae |
| Scutellaria orientalis | Helmkraut Orientalisches | Yellow- flowered Scullcap | Lamiaceae |
| Scutellaria rubicunda | Helmkraut Sizilianisches | Sicilian Scullcap | Lamiaceae |
| Scutellaria rupestris | Helmkraut Felsen | Rock Scullcap | Lamiaceae |
| Scutellaria sieberi | Helmkraut Siebers | Sieber's Scullcap | Lamiaceae |
| Scutellaria sporadum | Helmkraut Sporaden | Sporades Scullcap | Lamiaceae |