Saccharum ×aegyptium nothovar. – synonym of Saccharum ×spontaneum nothovar. aegyptium
Saccharum brachypogon Stapf – basionym of Eriochrysis brachypogon (Stapf) Stapf
Saccharum hirsutum Forssk. – synonym of Lasiurus scindicus Henrard
Saccharum ravennae (L.) Murray
Saccharum repens Willd. – basionym of Melinis repens (Willd.) Zizka
Saccharum sagittatum Aubl. – basionym of Gynerium sagittatum (Aubl.) P. Beauv.
Saccharum ×spontaneum nothovar. aegyptium
Saccharum thunbergii Retz. – synonym of Imperata cylindrica (Linn.) P.Beauv.
Sacciolepis africana C.E. Hubb. & Snowdon
Sacciolepis auriculata Stapf – synonym of Sacciolepis indica (Linn.) Chase
Sacciolepis brevifolia Stapf – synonym of Sacciolepis chevalieri Stapf
Sacciolepis ciliocincta (Pilg.) Stapf
Sacciolepis indica (Linn.) Chase
Sacciolepis interrupta (Willd.) Stapf
Sacciolepis leptorrhachis Stapf
Sacciolepis myosuroides (R. Br.) A. Camus
Sacciolepis nana Stapf – synonym of Sacciolepis micrococca Mez
Sacciolepis rigens A. Chev. – synonym of Sacciolepis leptorrhachis Stapf
Sacciolepis scirpoides Stapf – synonym of Sacciolepis typhura (Stapf) Stapf
Sacciolepis spiciformis (Hochst. ex A. Rich.) Stapf – synonym of Sacciolepis myosuroides (R. Br.) A. Camus
Sacciolepis typhura (Stapf) Stapf
Schizachyrium alatum Stapf – synonym of Schizachyrium delicatum Stapf
Schizachyrium brevifolium (Sw.) Nees
Schizachyrium brevifolium flaccidum (A.Rich.) Stapf – synonym of Schizachyrium brevifolium (Sw.) Nees
Schizachyrium brevifolium maclaudii Jacq.-Fél. – basionym of Schizachyrium maclaudii (Jac. Fel.) S.T.Blake
Schizachyrium djalonicum Jacq.-Fél.
Schizachyrium exile (Hochst.) Pilg.
Schizachyrium fasciculatum Jacq.-Fél. – synonym of Schizachyrium brevifolium (Sw.) Nees
Schizachyrium glabrescens (Rendle) Stapf – synonym of Schizachyrium exile (Hochst.) Pilg.
Schizachyrium gresicola Jacq.-Fél.
Schizachyrium griseum Stapf – synonym of Schizachyrium sanguineum (Retz.) Alston
Schizachyrium lomaense A. Camus
Schizachyrium maclaudii (Jac. Fel.) S.T.Blake
Schizachyrium nodulosum (Hack.) Stapf
Schizachyrium penicillatum Jacq.-Fél.
Schizachyrium platyphyllum (Franch.) Stapf
Schizachyrium pratorum C.E. Hubb. – synonym of Schizachyrium rupestre (K. Schum.) Stapf
Schizachyrium pulchellum (Benth.) Stapf
Schizachyrium radicosum Jacq.-Fél.
Schizachyrium ruderale W.D. Clayton
Schizachyrium rupestre (K. Schum.) Stapf
Schizachyrium sanguineum (Retz.) Alston
Schizachyrium schweinfurthii (Hack.) Stapf
Schizachyrium scintillans Stapf
Schizachyrium semiberbe Nees – synonym of Schizachyrium sanguineum (Retz.) Alston
Schizachyrium urceolatum (Hack.) Stapf
Schmidtia pappophoroides Steud.
Schoenefeldia nutans Steud. – synonym of Schoenefeldia gracilis Kunth
Schoenefeldia transiens (Pilg.) Chiov.
Schoenus aculeatus Linn. – basionym of Sporobolus aculeatus (Linn.) Peterson
Sehima kotschyi Hochst. – synonym of Sehima ischaemoides Forssk.
Sehima kotschyi schangulicum Hochst. – synonym of Sehima ischaemoides Forssk.
Sehima nervosum (Tottler) Stapf
Setaria chevalieri – synonym of Setaria megaphylla
Setaria pallide-fusca – synonym of Setaria pumila
Sinarundinaria alpina (K. Schum.) Chao & Renvoize – synonym of Yushania alpina (K. Schum.) W.C.Lin
Snowdenia polystachya (Fresen.) Pilg.
Sorghastrum bipennatum (Hack.) Pilg. – synonym of Sorghastrum incompletum ((Hack.) Pilg.)
Sorghastrum incompletum ((Hack.) Pilg.)
Sorghastrum incompletus bipennatum (Hack.) Dávila – basionym of Sorghastrum incompletum ((Hack.) Pilg.)
Sorghastrum stipoides (Kunth) Nash
Sorghastrum stipoides Kunth – basionym of Sorghastrum stipoides (Kunth) Nash
Sorghastrum trichopus (Stapf) Pilg. – synonym of Sorghastrum stipoides (Kunth) Nash
Sorghum abyssinicum (Piper) Stapf – synonym of Sorghum arundinaceum (Desv.) Stapf
Sorghum aethiopicum (Hack.) Stapf – synonym of Sorghum arundinaceum (Desv.) Stapf
Sorghum ankolib (Hack.) Stapf – synonym of Sorghum bicolor (Linn.) Moench
Sorghum arundinaceum (Desv.) Stapf
Sorghum barteri (Hack.) Kuntze – synonym of Hyparrhenia barteri
Sorghum bicolor (Linn.) Moench
Sorghum bicolor arundinaceum (Desv.) De Wet & Harlan – synonym of Sorghum arundinaceum (Desv.) Stapf
Sorghum caudatum (Hack.) Stapf – synonym of Sorghum bicolor (Linn.) Moench
Sorghum dimidiatum Stapf – synonym of Sorghum purpureosericeum (Hochst. ex A. Rich.) Schweinf. & Aschers.
Sorghum diplandra (Hack.) Kuntze – synonym of Hyparrhenia diplandra (Hackel) Stapf
Sorghum eucomys (Nees) Kuntze – synonym of Andropogon eucomys Nees
Sorghum filipendulum (Hochst.) Kuntze – synonym of Hyparrhenia filipendula (Hochst) Stapf
Sorghum finitum (Hochst.) Kuntza – synonym of Hyparrhenia finitima (Hochst.) Anderss. ex Stapf
Sorghum foveolatum (Delile) Kuntze – synonym of Dichantium foveolatum (Delile) Roberty
Sorghum glabriusculum (A. Rich.) Kuntze – synonym of Hyparrhenia glabriuscula (A.Rich.) Stapf
Sorghum halepense (Linn.) Pers.
Sorghum lanceolatum Stapf – synonym of Sorghum arundinaceum (Desv.) Stapf
Sorghum purpureosericeum (Hochst. ex A. Rich.) Schweinf. & Aschers.
Sorghum schimperi (Hochst. ex A. Rich.) Kuntze – synonym of Hyparrhenia schimperi (Hochst. ex A. Rich.) Andersson ex Stapf
Sorghum sorghoides (Benth.) Liu & Peterson
Sorghum trichopus (Stapf) Dtapf – synonym of Sorghastrum stipoides (Kunth) Nash
Sorghum virgatum (Hack.) Stapf – synonym of Sorghum arundinaceum (Desv.) Stapf
Sorghum vogelianum – synonym of Sorghum arundinaceum (Desv.) Stapf
Sorghum vulgare Pers. – synonym of Sorghum bicolor (Linn.) Moench
Sorghum x drummondii (Nees ex Steud.) Millsp. ex Chase
Spartina maritima (Curtis) Fern. – synonym of Sporobolus maritima (Curtis) Peterson & Saarela
Sporobolus aculeatus (Linn.) Peterson
Sporobolus aequiglumis Stapf – synonym of Sporobolus microprotus Stapf
Sporobolus africanus (Poir.) Robyns & Tournay
Sporobolus angustifolius A. Rich.
Sporobolus angustifolius A. Rich. – synonym of Sporobolus subulatus Hack. ex Scott Elliott
Sporobolus assakae Caballero – synonym of Sporobolus robustus Kunth
Sporobolus batesi A. Chev. – synonym of Sporobolus africanus (Poir.) Robyns & Tournay
Sporobolus capensis (P. Beauv.) Kunth – synonym of Sporobolus africanus (Poir.) Robyns & Tournay
Sporobolus capillaris A. Chev. – synonym of Sporobolus pectinellus Mez
Sporobolus centrifugus (Trin.) Nees
Sporobolus communatus cordofanus (Steud.) Dur. & Schinz – synonym of Sporobolus cordofanus (Hochst. ex Steud.) Coss.
Sporobolus confertus J.A. Schmidt – synonym of Sporobolus virginicus (Linn.) Kunth
Sporobolus cordofanus (Hochst. ex Steud.) Coss.
Sporobolus coromandelianus (Retz.) Kunth
Sporobolus festivus fibrosus Stent – synonym of Sporobolus festivus A. Rich.
Sporobolus fimbriatis (Nees ex Trin.) Nees
Sporobolus helvolus (Trin.) Dur. & Schinz
Sporobolus hubbardi A. Chev. – synonym of Sporobolus subulatus Hack. ex Scott Elliott
Sporobolus hubbardii A. Chev. – synonym of Sporobolus rigidifolius (Trin.) Mez ex Veldkamp
Sporobolus humifusus cordofanus (Steud.) Massey – synonym of Sporobolus cordofanus (Hochst. ex Steud.) Coss.
Sporobolus indicus angustifolius (A. Rich.) Chiov. – synonym of Sporobolus angustifolius A. Rich.
Sporobolus indicus capensis Engel – synonym of Sporobolus africanus (Poir.) Robyns & Tournay
Sporobolus indicus capensis Jov. & Guéd. – synonym of Sporobolus africanus (Poir.) Robyns & Tournay
Sporobolus indicus laxus (Nees) Stapf. – synonym of Sporobolus africanus (Poir.) Robyns & Tournay
Sporobolus indicus pyramidalis (P. Beauv.) Veldkamp – synonym of Sporobolus pyramidalis P. Beauv.
Sporobolus iocladus (Nees ex Trin.) Nees
Sporobolus jacquemontii Kunth – synonym of Sporobolus pyramidalis P. Beauv.
Sporobolus ledermanni Mez – synonym of Sporobolus subulatus Hack. ex Scott Elliott
Sporobolus ledermannii Mez – synonym of Sporobolus rigidifolius (Trin.) Mez ex Veldkamp
Sporobolus longibrachiatus Stapf – synonym of Sporobolus nervosus Hochst.
Sporobolus macranthelus Chiov.
Sporobolus marginatus A. Rich. – synonym of Sporobolus iocladus (Nees ex Trin.) Nees
Sporobolus maritima (Curtis) Peterson & Saarela
Sporobolus mauritianus (Steud.) Dur.& Schinz – synonym of Sporobolus rigidifolius (Trin.) Mez ex Veldkamp
Sporobolus micranthus (Steud.) Dur. & Schinz
Sporobolus minutiflorus (Trin.) Link. – synonym of Sporobolus tenuissimus (Mart. ex Schrank) Kuntze
Sporobolus minutus confertus (J.A. Schmidt) Lobin, Kilian, Leyens – synonym of Sporobolus virginicus (Linn.) Kunth
Sporobolus minutus confertus (J.A. Schmidt) Lobin, Kylian & Leyens – synonym of Sporobolus minutus Link
Sporobolus myxosperma Stapf – synonym of Sporobolus paniculatus (Trin.) Dur. & Schinz
Sporobolus natalensis (Steud.) Dur. & Schinz
Sporobolus niamensis Mez – synonym of Sporobolus sanguineus Rendle
Sporobolus niliacus (Fig. & De Not.) Peterson
Sporobolus panicoides A. Rich.
Sporobolus paniculatus (Trin.) Dur. & Schinz
Sporobolus paniculatus sensu Wickens, non (Trin.) Dur. & Schinz – synonym of Sporobolus micranthus (Steud.) Dur. & Schinz
Sporobolus patulus Hack. – synonym of Sporobolus paniculatus (Trin.) Dur. & Schinz
Sporobolus pauciflorus A. Chev.
Sporobolus piliferus (Trin.) Kunth
Sporobolus praecox A. Chev. – synonym of Sporobolus piliferus (Trin.) Kunth
Sporobolus pyramidalis jacquemontii (Kunth) Jovet & Guédès – synonym of Sporobolus pyramidalis P. Beauv.
Sporobolus pyramidalis P. Beauv.
Sporobolus pyramidatus (Lam.) Hitchc.
Sporobolus regularis Mez – synonym of Sporobolus paniculatus (Trin.) Dur. & Schinz
Sporobolus rigidifolius (Trin.) Mez ex Veldkamp
Sporobolus robustus sendu Andrews – synonym of Sporobolus consimilis Fresen.
Sporobolus scabriflorus Massey – synonym of Sporobolus microprotus Stapf
Sporobolus schnellii A. Chev. – synonym of Sporobolus infirmus Mez
Sporobolus schoenoides (Linn.) Peterson
Sporobolus schweinfurthii Stapf – synonym of Sporobolus sanguineus Rendle
Sporobolus senegalensis Chiov. – synonym of Sporobolus robustus Kunth
Sporobolus spicatus (Vahl) Kunth
Sporobolus strictus Franch. – synonym of Sporobolus paniculatus (Trin.) Dur. & Schinz
Sporobolus subglobosus A. Chev.
Sporobolus subulatus Hack. ex Scott Elliott
Sporobolus tenuis A.Chev. – synonym of Sporobolus infirmus Mez
Sporobolus tenuissimus (Mart. ex Schrank) Kuntze
Sporobolus virginicus (Linn.) Kunth
Stapfochloa lamproparia (Stapf) H. Scholz
Stegosia cochinchinensis Lour. – basionym of Rottboellia cochinchinensis (Lour.) Clayton
Steinchisma laxa (Swartz) Zuloaga
Stenotaphrum dimidiatum (Linn.) Brongniart
Stenotaphrum secundatum (Walt.) Kuntze
Stipa capensis Thunb. – basionym of Stipellula capensis (Thunb.) Röser & Hamasha
Stipa capensis tortilis (Desf.) Breistr. – synonym of Stipellula capensis (Thunb.) Röser & Hamasha
Stipa diminuta Mez – basionym of Aristida diminuta (Mez) C.E. Hubb.
Stipa parviflora Desf. – basionym of Stipellula parviflora (Desf.) Röser & Hamasha
Stipa retirta Cav. – synonym of Stipellula capensis (Thunb.) Röser & Hamasha
Stipa spicata Linn.f. – basionym of Trachypogon spicatus (Linn. f.) Kuntze
Stipa tortilis Desf. – synonym of Stipellula capensis (Thunb.) Röser & Hamasha
Stipagrostis acutiflora (Trin. & Rupr.) de Winter
Stipagrostis brachyathera (Coss. & Balansa) De Winter
Stipagrostis capensis (Thunb.) Nees – synonym of Stipagrostis obtusa (Delile) Nees
Stipagrostis ciliata (Desf.) De Winter
Stipagrostis foexiana (Maire & Wilczek) De Winter
Stipagrostis hirtigluma (Steud. ex Trin. & Rupr.) de Winter
Stipagrostis obtusa (Delile) Nees
Stipagrostis papposa (Trin. & Rupr.) de Winter – synonym of Stipagrostis uniplumis (Licht.) de Winter
Stipagrostis plumosa (Linn.) Munro ex T. Anders.
Stipagrostis plumosa eu-plumosa Maire – synonym of Stipagrostis plumosa (Linn.) Munro ex T. Anders.
Stipagrostis plumosa floccosa (Coss. & Dur.) Henr. – synonym of Stipagrostis plumosa (Linn.) Munro ex T. Anders.
Stipagrostis plumosa ssp. lanuginosa – synonym of Stipagrostis plumosa (Linn.) Munro ex T. Anders.
Stipagrostis pungens (Desf.) De Winter
Stipagrostis raddiana (Savi) de Winter
Stipagrostis rigidifolia H. Scholz
Stipagrostis sahelica (Trabut) de Winter
Stipagrostis scoparia (Trin. & Rupr.) de Winter
Stipagrostis shawii (H. Scholz) H. Scholz
Stipagrostis uniplumis (Licht.) de Winter
Stipagrostis vulnerans (Trin. & Rupr.) de Winter
Stipagrosts plumosa seminuda (Trin.& Rupr.) Scholz – synonym of Stipagrostis plumosa (Linn.) Munro ex T. Anders.
Stipella capensis (Thunb.) Röser & Hamasha – synonym of Stipellula capensis (Thunb.) Röser & Hamasha
Stipella parviflora (Desf.) Röser & Hamasha – synonym of Stipellula parviflora (Desf.) Röser & Hamasha
Stipellula capensis (Thunb.) Röser & Hamasha
Stipellula parviflora (Desf.) Röser & Hamasha
Streblochaete longiarista (A. Rich.) Pilg. – synonym of Koordersiochloa longiarista (A. Rich.) Veldkamp
Streptogyna gerontogaea – synonym of Streptogyna crinita P. Beauv.
Syntherisma argillacea Hitchc.& Chase – basionym of Digitaria argyllacea (Hitchc.& Chase) Fernald