| | species | sagittatum (Lindeb.) Norrl. | 1 | |
| | species | sagittifolium Vuk. * | | |
| | species | sagittipotens Norrl. | | |
| | species | samaricum (Zahn) Üksip * | | |
| | species | samurense (Zahn) Üksip ex Sennikov | | |
 | species | sanctum L. * | | • |
| | species | sanii (Naeg. & Peter) Üksip * | | |
| | species | sarmaticum (Zahn) Schljak. | | |
 | species | sarmentosum Froel. * | | • |
| | species | sarykamyschense Üksip | | |
| | species | savokarelicum Norrl. | | |
| | species | saxifragum auct. | | |
| | species | saxifragum Fr. * | | |
| | species | sbaense Üksip | | |
 | species | scabiosum (Sudre) Üksip | | • |
 | species | scabiosum Sudre * | | • |
| | species | scandinavicum Dahlst. * | | |
| | species | × schelkownikowii Zahn * | | |
| | species | schellianum Üksip | | |
| | species | schemachense Üksip | | |
| | species | schenkii (Griseb.) Schljak. | | |
| | species | schennikovii Schljakov | | |
| | species | schipczinskii Üksip | | |
| | species | schischkinii Üksip | | |
| | species | schliakovii Üksip | | |
 | species | schmalhausenianum Litv. & Zahn | | |
| | species | schmidtii Tausch | | |
| | species | schultesii F.W. Schultz * | | |
| | species | sciadophorum Nageli & Peter * | | |
| | species | scitulum Woloszcz. | | |
| | species | scotaiolepis Elfstr. | | |
| | species | scotodes Norrl. * | | |
| | species | sedutrix (Rehm.) Üksip * | | |
| | species | segevoldense Syr. & Zahn | | |
| | species | semichlorellum Norrl. | | |
| | species | semicurvatum Norrl. | | |
| | species | semilitoreum Norrl. * | | |
| | species | semionegense Norrl. * | | |
| | species | semipraecox (Zahn) Üksip | | |
| | species | semisagittatum Schljakov | | |
| | species | senescentifrons Elfstr. | | |
| | species | sepositum Norrl. * | | |
| | species | septentrionale (Norrl.) Norrl. * | | |
| | species | sericicaule (Schelk. & Zahn) Üksip ex Sennikov | | |
| | species | serratifolium Jord. ex Boreau | | |
| | species | serratifrons Almq. | 1 | |
| | species | sershukense Üksip | | |
| | species | seticollum Norrl. | | |
| | species | setosopetiolatum (Rehm.) Czer. * | | |
| | species | sexangulare Schljakov | | |
| | species | shaparenkoi Schljakov | | |
 | species | sibiricum (L.) Lam. * | | • |
| | species | signiferum (Norrl.) Üksip * | | |
 | species | silenii Norrl. | | |
| | species | sillamaeense Üksip | | |
 | species | silvaticum (L.) Gouan | 9 | |
| | species | silvicomum Üksip | | |
| | species | simplicicaule (Sommier & Levier) Peter | | |
 | species | siphonanthum Juz. & Bystr. * | | • |
| | species | sivorkae Üksip | | |
| | species | sobrinatum (Litv. & Zahn) Üksip | | |
| | species | soczavae Üksip | | |
| | species | solonieviczii Schljakov | | |
| | species | solovetzkiense Üksip | | |
 | species | sonchifolium M. Bieb. * | | • |
| | species | sordidescens Norrl. | | |
| | species | sororians Norrl. * | | |
| | species | sosnowskyi (Zahn) Kem.-Nath. | | |
| | species | sosvaense Schljakov | | |
| | species | sparsiflorum Friv. ex Fr. * | 1 | |
| | species | sparsum Friv. | 1 | |
| | species | spatalops Omang | | |
| | species | spathophyllopsis (Zahn) Üksip * | | |
| | species | spathophyllum Nägeli & Peter * | 2 | |
| | species | squarrosulum Norrl. * | | |
| | species | stauropolitanum Üksip | | |
| | species | steinbergianum Üksip | | |
| | species | stellatum (Tausch ex Zahn) Üksip * | | |
| | species | stenolepis Lindeb. | | |
| | species | stenomischum Omang | 1 | |
| | species | stenopiforme (Pohle & Zahn) Elfstr. | | |
| | species | stenozon (Zahn) Üksip * | | |
 | species | sterromastix (Nägeli & Peter) Üksip * | | |
| | species | × stoloniflorum Waldst. et Kit. * | | |
| | species | streptotrichum Zahn | | |
| | species | strictiramum (Naeg. et Peter) Üksip * | | |
| | species | strictissimum Froel. | | |
| | species | stupposipilum (Woronow & Zahn) Üksip | | |
| | species | stygium Uechtr. | | |
 | species | subambiguum (Naeg. & Peter) Üksip * | | |
| | species | subaquilonare Üksip | | |
 | species | subarctophilum Schljakov | | |
 | species | subarctoum Norrl. | | |
| | species | subartvinense Üksip | | |
| | species | subatriceps (Zahn) Üksip * | | |
| | species | subaurantiacum (Naeg. et Peter) Czer. * | | |
 | species | subauricula (Naeg. & Peter) Üksip * | | |
| | species | subbakurianiense Üksip | | |
| | species | subbauhiniflorum (Woronow & Zahn) Üksip | | |
| | species | subbetuletorum Üksip | | |
| | species | subchlorophaeum Schljakov | | |
| | species | subcinerascens Norrl. ex Schljakov | | |
| | species | subcompositum Üksip | | |
 | species | subcymigerum (Peter) Zahn * | | • |
| | species | suberectum Schischk. & Steinb. | | |
 | species | subexcellens (Zahn) Üksip * | | |
| | species | subfallaciforme (Zahn) Üksip * | | |
| | species | subfariniramum Ganesch. & Zahn | | |
| | species | subfarinosiceps Schljakov | | |
| | species | subfiliferum (Zahn) Üksip * | | |
 | species | subflexicaule (Zahn) Schljakov | | |
| | species | subfloribundum (Naeg. & Peter) Üksip * | | |
| | species | subgalbanum (Dahlst.) Üksip | | |
| | species | subglandulosipes Schljakov | | |
| | species | subgracilescens (Dahlst. ex Zahn) Noto | | |
| | species | subhastulatum (Zahn) Üksip | | |
| | species | subhirsutissimum Üksip | | |
 | species | subholophyllum Brenn. * | | |
| | species | subimandrae Üksip | | |
| | species | subincomptum (Zahn) Üksip | | |
 | species | sublactucaceum auct. | | |
| | species | sublasiophorum (Litv. & Zahn) Üksip | | |
| | species | sublateriflorum Schljak. | | |
| | species | sublividum (Dahlst.) K.Joh. | | |
| | species | submarginellum (Zahn) Üksip ex Schljakov | | |
| | species | submedianum (Zahn) Üksip ex Schljakov | | |
| | species | submelanolepis Schljakov | | |
| | species | submirum (Litv. & Zahn) Üksip | | |
| | species | subnigrescens (Fries ex Norrl.) Dahlst. | | |
| | species | subnigriceps (Zahn) Üksip * | | |
| | species | subniviferum Schljakov | | |
| | species | subobscuriceps (Zahn) Üksip | | |
 | species | subpellucidum (Norrl.) Norrl. | | • |
| | species | subpleiophyllum (Zahn) Schljak. | | |
| | species | subpollichii (Litv & Zahn) Üksip | | |
| | species | subpratense (Norrl.) Norrl. * | | |
| | species | subpubens (Norrl.) Norrl. * | | |
| | species | subramosum Lonnr. | 1 | |
| | species | subrassifolium (Zahn) Üksip | | |
| | species | subrigidum Almq. ex Stenstr. | | |
| | species | subsimplex Somm. & Levier | | |
| | species | substoloniferum (Peter) Üksip * | | |
| | species | substrictipilum Schljakov | | |
| | species | subsvaneticum (Litv. & Zahn) Üksip ex Sennikov | | |
| | species | subswirense (Norrl.) Üksip * | | |
| | species | subtriangulatum Schljakov | | |
 | species | subumbelliforme (Zahn) Üksip * | | • |
| | species | subviolascentiforme (Pohle & Zahn) Üksip ex Schljakov | | |
| | species | subvirenticeps Schljakov | | |
| | species | subviriduliceps (Zahn) Schljak. | | |
| | species | subvulgatiforme Schljakov | | |
| | species | suchonense Norrl. * | | |
 | species | sudavicum (Naeg. & Peter) Üksip * | | • |
| | species | sudeticum Sternb. | | |
| | species | sudetorum (Peter) Weiss * | | |
 | species | suecicum Fr. * | 1 | |
| | species | sukaczewii (Zahn) Schischk. et Serg. | | |
| | species | sulphurelliforme (Kosl. & Zahn) Üksip | | |
| | species | sulphurellum (Kosl. & Zahn) Üksip | | |
 | species | × sulphureum Döll * | | |
| | species | suomense (Norrl.) Norrl. * | | |
| | species | svaneticiforme (Litv. & Zahn) Kem.-Nath. * | | |
| | species | swaneticiforme Litv. & Zahn | | |
| | species | svirense Norrl. * | | |
 | species | silvestre Tausch * | | |
 | species | sylvularum Jord. ex Boreau | | • |
| | species | syreistschikovii Zahn | | |
| | species | syrjaenorum (Norrl.) Üksip * | | |
| | species | sysolskiense (Zahn) Üksip * | | |
| | species | szovitsii (Naeg. & Peter) Üksip | | |
| | species | tabergense (Dahlst.) Üksip * | | |
| | species | taigense Schischk. & Serg. | | |
| | species | tanense Elfstr. | | |
| | species | tanfiliewii Zahn ex Schljakov | | |
 | species | tanythrix (Naeg. & Peter) Üksip * | | • |
| | species | tatewakii (Kudo) Tatew. & Kitam. | | |
| | species | tatrense (Peter) Üksip * | | |
 | species | tauschii E.H.L. Krause * | | |
| | species | tauschii Zahn | 1 | |
| | species | tazense Schljakov | | |
| | species | teberdaefontis (Litv. & Zahn) Üksip | | |
| | species | teberdense (Litv. & Zahn) Üksip ex P.D. Sell & C. | | |
| | species | teliforme Schljakov | | |
| | species | teligerum Norrl. | | |
| | species | teliumbellatum Schljakov | | |
| | species | tenacicaule Norrl. * | | |
| | species | tenebricans (Norrl.) Norrl. * | | |
| | species | tenuiceps (Naeg. et Peter) Üksip * | | |
| | species | tenuiglandulosum Norrl. | | |
| | species | tephranthelum (Zahn) Üksip * | | |
| | species | tephrocephalum Vuk. * | | |
| | species | tephrochlorellum (Ganesch. & Zahn) Üksip * | | |
| | species | tephrophilum (Kosl. & Zahn) Üksip ex Sennikov | | |
| | species | tephropodoides (Zahn) Üksip * | | |
| | species | tephropodum (Zahn) Üksip * | | |
| | species | teplouchovii Üksip | | |
| | species | terekianum (Litv. & Zahn) Üksip ex V.J. Nikolajev | | |
| | species | tericum Schljakov | | |
| | species | tetraodon Schljakov | | |
| | species | thaumasioides (Peter) Weiss * | | |
| | species | thaumasium (Peter) Weiss | | |
| | species | thracicum (Nageli & Peter) Üksip | | |
| | species | thyraicum Blocki | | |
| | species | tilingii Üksip | | |
| | species | timanense Schljakov | | |
| | species | tjapomense Norrl. * | | |
| | species | tjumentzevii Serg. & Üksip * | | |
| | species | tolvaense Schljakov | | |
| | species | torquescens Norrl. * | | |
| | species | torticeps (Dahlst.) Johanss. | | |
| | species | transbalticum (Dahlst.) Üksip * | | |
| | species | transnivense Schljakov | | |
| | species | transpeczoricum Schljakov | | |
| | species | transsilvanicum Heuff. | | |
| | species | trebevicianum K. Maly | 2 | |
| | species | triangulare (Almq.) Norrl. | | |
| | species | tricheilema (Naeg. & Peter) Üksip * | | |
| | species | trichobrachium Üksip | | |
| | species | trichocymosoides Üksip * | | |
 | species | trichocymosum (Zahn) Üksip * | | |
| | species | tridentaticeps (Zahn) Üksip | | |
| | species | tridentatum (Fr.) Fr. | | |
| | species | trigenes auct. * | 1 | |
 | species | triste Willd. ex Spreng. | | |
| | species | tritum Üksip | | |
| | species | trivialiforme Schljakov | | |
| | species | truncipilum (Thaisz et Zahn) Schljak. | | |
| | species | tschkhubianischwilii Kem.-Nath. * | | |
| | species | tuadaschense Schljakov | | |
| | species | × tubulatum (Vollm.) Vollm. * | | |
| | species | tubuliflorum (Naeg. & Peter) Üksip * | | |
| | species | tulomense Schljakov | | |
 | species | tunguskanum Ganesch. & Zahn | | |
| | species | turbidum Norrl. | | |
| | species | turcomanicum Gand. | | |
| | species | turkestanicum (Zahn) Üksip | | |
| | species | tuscheticum (Zahn) Üksip * | | |
| | species | tuvinicum Krasnob. & Schaulo | | |
| | species | tweriense (Zahn) Üksip * | | |
| | species | tzagwerianum (Kosl. & Zahn) Üksip | | |
| | species | uczanssuense Üksip | | |
| | species | ueksipii Schljakov | | |
| | species | ugandiense Üksip | | |
| | species | ulothrix Norrl. | | |
| | species | umbellaticeps (Pohle & Zahn) Üksip ex Schljakov | | |
 | species | umbellatum L. | 4 | • |
 | species | umbelliferum Naeg. & Peter * | | |
 | species | umbellosum (Naeg. & Peter) Üksip * | | • |
| | species | umbrosum Jord. | | |
| | species | uralense Elfstr. | | |
| | species | uranopoleos Üksip | | |
| | species | ussense (Pohle & Zahn) Üksip | | |
| | species | vagae Üksip | | |
 | species | vagum Jord. | | |
| | species | vaidae Üksip | | |
 | species | vaillantii Tausch * | | |
| | species | valmierense Üksip | | |
| | species | varangerense (Elfstr.) Elfstr. | | |
| | species | varatinense Woloszcz. * | | |
| | species | variegatisquamum (Zahn) Üksip | | |
| | species | varsugae Schljakov | | |
| | species | vasconicum Jord. ex Zahn | | |
| | species | velutinum Hegetschw. * | | |
| | species | venetianum Naeg. & Peter * | | |
 | species | veresczaginii Schischk. & Serg. | | |
| | species | vernicosum (Norrl.) Norrl. * | | |
| | species | verruculatum Link * | 1 | |
| | species | vestipes Schljak. | | |
| | species | viburgense Norrl. | | |
| | species | villosellipes (Zahn) Üksip | | |
| | species | villosipes Pax | | |
 | species | villosum Jacq. | | |
 | species | vindobonae (Zahn) Üksip * | | |
 | species | violaceipes (Zahn) Üksip * | | |
| | species | violascentiforme (Pohle & Zahn) Üksip ex Schljakov | | |
| | species | virelliceps Norrl. | | |
| | species | virenticeps (Dahlst.) Üksip | | |
| | species | virentisquamum (Naeg. et Peter) Üksip | | |
 | species | virgultorum Jord. | | |
| | species | virosiforme Woronow & Zahn | | |
 | species | virosum Pall. | | • |
 | species | vischerae Üksip * | | |
| | species | viscidulum Tausch * | | |
| | species | vitellicolor Elfstr. | | |
 | species | vitellinum Norrl. * | | |
| | species | volhynicum (Naeg. & Peter) Üksip * | | |
 | species | voroniense Üksip | | |
| | species | vulgatiforme (Dahlst.) Johanss. | | |
 | species | vulgatum Fr. | 10 | |
| | species | vulpinum (Rehm.) Czer. * | | |
| | species | vulsum (Elfstr.) Schljakov | | |
| | species | vvedenskyi Üksip | | |
| | species | wainioi Norrl. | | |
| | species | wimmeri Uechtr. | | |
 | species | wjasowoense (Zahn) Üksip * | | |
| | species | wolczankense Üksip | | |
| | species | wolgense Zahn * | | |
| | species | wologdense (Pohl & Zahn) Üksip ex Schljakov | | |
| | species | worochtae Woloszcz. ex Zahn | | |
| | species | woronowianum Zahn. * | | |
| | species | wysokae (Wooszcz. et Zahn) Schljak. | | |
| | species | xanthostigma (Norrl.) Norrl. * | | |
| | species | zelencense Schljakov | | |
 | species | zinserlingianum Üksip * | | |
| | species | zinserlingii Schljakov | | |
| | species | zizianum Tausch * | | |