Hackelochloa granularis (Linn.) Kuntze
Halopyrum mucronatum (Linn.) Stapf
Harpachne schimperi Hochst. ex A. Rich. – basionym of Eragrostis schimperi (Hochst. ex A. Rich.) Benth.
Helictotrichon elongatum (Hochst. ex A. Rich.) C.E. Hubb. – synonym of Trisetopsis elongata (Hochst. ex A. Rich.) Wölk & Röser
Helictotrichon elongatum preussii A. Rich. – synonym of Trisetopsis elongata (Hochst. ex A. Rich.) Wölk & Röser
Helictotrichon maitlandii C.E. Hubb. – synonym of Trisetopsis elongata (Hochst. ex A. Rich.) Wölk & Röser
Helictotrichon mannii (Pilg.) C.E. Hubb. – synonym of Trisetopsis mannii (Pilg.) Wölk & Röser
Helictotrichon mannii (Pilg.) C.E. Hubb. – synonym of Trisetopsis mannii (Pilg.) Wölk & Röser
Helictotrichon rigidulum (Pilg.) C.E. Hubb. – synonym of Trisetopsis elongata (Hochst. ex A. Rich.) Wölk & Röser
Helictotrichon thomasii C.E. Hubb. – synonym of Trisetopsis umbrosa (Hochst. ex Steud.) Röser & Wölk
Helictotrichon tibesticum (Miré & Quézel) Holub – synonym of Trisetopsis elongata (Hochst. ex A. Rich.) Wölk & Röser
Helictotrichon umbrosum (Hochst. ex Steud.) C.E. Hubb. – synonym of Trisetopsis umbrosa (Hochst. ex Steud.) Röser & Wölk
Helopus barbatus Trin. – basionym of Eriochloa barbatus (Trin.) Yadaq & Almeida
Helopus nubicus Steud. – synonym of Eriochloa barbatus (Trin.) Yadaq & Almeida
Hemarthria altissima (Poir.) Stapf & Hubbard
Hemarthria fasciculata (Lam.) Kunth – synonym of Hemarthria altissima (Poir.) Stapf & Hubbard
Hemigymnia arnottiana (Nees) Stapf – synonym of Ottochloa nodosa (Kunth) Dandy
Heteranthoecia guineensis (Franch.) Robyns
Heteranthoecia isachnoides Stapf – synonym of Heteranthoecia guineensis (Franch.) Robyns
Heteropogon contortus (Linn.) P. Beauv.
Heteropogon filifolius Nees – basionym of Diheteropogon filifolius (Nees) Clayton
Heteropogon grandiflorus (Hack.) Roberty – synonym of Diheteropogon filifolius (Nees) Clayton
Heteropogon hagerupii (Hitchc.) Roberty – synonym of Diheteropogon hagerupii Hitchc.
Heteropogon melanocarpus (Ell.) Benth.
Hildaea pallens var. majus (Nees) Silva & Oliveira – synonym of Ichnanthus pallens var. majus Nees
Holcus bicolor Linn. – basionym of Sorghum bicolor (Linn.) Moench
Holcus halepensis Linn. – basionym of Sorghum halepense (Linn.) Pers.
Holcus parviflorus R. Br. – basionym of Capillipedium parviflorum (R. Br.) Stapf
Holcus serratus – synonym of Brachiaria serrata
Homalocenchrus hexandrus (Sw.) Ktze – synonym of Leersia hexandra Swartz
Homoeatherum Chinensis Nees – basionym of Andropogon chinensis (Nees) Merrill
Homopogon chevalieri Stapf – basionym of Trachypogon chevalieri (Stapf) Jacq.-Fél.
Hyparrhenia absimilis Pilg. – synonym of Hyparrhenia mobukensis (Chiov.) Chiov.
Hyparrhenia abyssinca (A. Rich.) Roberty – synonym of Exotheca abyssinica (A. Rich.) Anderss.
Hyparrhenia acutispicatus (De Wild.) Robyns – synonym of Hyparrhenia variabilis Stapf
Hyparrhenia altissima Stapf – synonym of Hyparrhenia rufa (Nees) Stapf
Hyparrhenia amoena Jacq.-Fél. – synonym of Hyparrhenia glabriuscula (A.Rich.) Stapf
Hyparrhenia anamesa W.D. Clayton
Hyparrhenia anthistirioides (Hochst. ex A. Rich.) Anderss. ex Stapf
Hyparrhenia archaelymandra Jacq.-Fél. – basionym of Elymandra archaelymandra (Jacq.-Fél.) W.D.Clayton
Hyparrhenia bagirmica (Stapf) Stapf
Hyparrhenia barteri calvescens (Hack.) Stapf – synonym of Hyparrhenia barteri
Hyparrhenia barteri calvescens (Hack.) Stpaf – synonym of Hyparrhenia figariana (Chiov.) Clayton
Hyparrhenia bisulcata Chiov. – synonym of Hyparrhenia newtonii (Hack.) Stapf
Hyparrhenia bracteata (Willd.) Stapf
Hyparrhenia chrysargyra (Stapf) Stapf – synonym of Hyparrhenia nyassae (Rendle) Stapj
Hyparrhenia cirrulosa Stapf – synonym of Hyparrhenia newtonii (Hack.) Stapf
Hyparrhenia claessensii Robyns – synonym of Hyparrhenia pilgeriana C.E. Hubb.
Hyparrhenia coleotricha (Steud.) W.D. Clayton
Hyparrhenia collina (Pilg.) Stapf
Hyparrhenia comosa (Kuntze) Stapf – synonym of Hyparrhenia coleotricha (Steud.) W.D. Clayton
Hyparrhenia confinis (Hochst. ex A. Rich.) Anders. ex Stapf)
Hyparrhenia confinis subsp. nudiglumis (Hack.) Clayton
Hyparrhenia confinis subsp. pellita Hack.) Stapf
Hyparrhenia contracta Robyns – synonym of Hyparrhenia bracteata (Willd.) Stapf
Hyparrhenia cornucopiae (Hack.) Stapf – synonym of Hyperthelia cornucopiae (Hack.) Clayton
Hyparrhenia cyanescens (Stapf) Stapf
Hyparrhenia cymbaria (Linn.) Stapf
Hyparrhenia dichroa (Steud.) Stapf
Hyparrhenia diplandra (Hackel) Stapf
Hyparrhenia diplandra major Vanderijst – synonym of Hyparrhenia diplandra (Hackel) Stapf
Hyparrhenia diplandra mutica (Clayton) Cope – synonym of Hyparrhenia diplandra (Hackel) Stapf
Hyparrhenia dissoluta (Nees ex Steud.) C.E. Hubb. – synonym of Hyperthelia dissoluta (Nees ex Steud.) Clayton
Hyparrhenia djalonica Jacq.-Fél. – synonym of Parahyparrhenia annua (Hack.) W.D.Clayton
Hyparrhenia dregeana (Nees) Stapf ex Stent
Hyparrhenia dybowskii (Franch.) Roberty
Hyparrhenia exarmata ((Stapf) Stapf)
Hyparrhenia familiaris (Steud.) Stapf
Hyparrhenia fastigiata Robyns – synonym of Hyparrhenia dregeana (Nees) Stapf ex Stent
Hyparrhenia fastigiata Robyns – synonym of Hyparrhenia exarmata ((Stapf) Stapf)
Hyparrhenia figariana (Chiov.) Clayton
Hyparrhenia filipendula (Hochst) Stapf
Hyparrhenia filipendula pilosa (Hochst.) Stapf – basionym of Hyparrhenia filipendula (Hochst) Stapf
Hyparrhenia finitima (Hochst.) Anderss. ex Stapf
Hyparrhenia gazensis (Rendle) Stapf
Hyparrhenia glabriuscula (A.Rich.) Stapf
Hyparrhenia gracilescens Stapf – synonym of Hyparrhenia welwitschii (Rendle) Stapf
Hyparrhenia grallata Stapf – basionym of Elymandra grallata (Stapf) Clayton
Hyparrhenia hirta (Linn.) Stapf
Hyparrhenia hirta longiaristata Rothm. & P. Silva – synonym of Hyparrhenia hirta (Linn.) Stapf
Hyparrhenia ×involucrata nothovar. breviseta
Hyparrhenia involucrata breviseta W.D.Clayton – basionym of Hyparrhenia involucrata Stapf
Hyparrhenia ×involucrata nothovar. involucrata
Hyparrhenia lecomtei (Franch.) Stapf – synonym of Hyparrhenia newtonii (Hack.) Stapf
Hyparrhenia lintonii Stapf – synonym of Hyparrhenia papilipes (Hochst. ex A. Rich.) Andersson ex Stapf
Hyparrhenia luembensis (De Wild.) Robyns – synonym of Hyparrhenia dregeana (Nees) Stapf ex Stent
Hyparrhenia macrarrhena (Hack.) Stapf – synonym of Hyparrhenia niariensis (Franch.) Clayton
Hyparrhenia madaropoda W.D. Clayton
Hyparrhenia mobukensis (Chiov.) Chiov.
Hyparrhenia modica (De Wild.) Robyns – synonym of Hyparrhenia hirta (Linn.) Stapf
Hyparrhenia multiplex (Hochst. ex A. Rich.) Andersson ex Stapf
Hyparrhenia mutica W.D. Clayton – synonym of Hyparrhenia diplandra (Hackel) Stapf
Hyparrhenia newtonii (Hack.) Stapf
Hyparrhenia niariensis (Franch.) Clayton
Hyparrhenia niariensis macrarrhena (Hack.) Clayton – synonym of Hyparrhenia niariensis (Franch.) Clayton
Hyparrhenia notolasia Stapf – synonym of Hyparrhenia involucrata Stapf
Hyparrhenia nyassae (Rendle) Stapj
Hyparrhenia pachystachya Stapf – synonym of Hyparrhenia diplandra (Hackel) Stapf
Hyparrhenia papilipes (Hochst. ex A. Rich.) Andersson ex Stapf
Hyparrhenia parvispiculata Bamps – synonym of Hyparrhenia rufa (Nees) Stapf
Hyparrhenia petiolata Stapf – synonym of Hyparrhenia confinis subsp. nudiglumis (Hack.) Clayton
Hyparrhenia pilgeriana C.E. Hubb.
Hyparrhenia poecilotricha (Hackel) Stapf
Hyparrhenia pseudocymbaria (Steud.) Stapf – synonym of Hyparrhenia anthistirioides (Hochst. ex A. Rich.) Anderss. ex Stapf
Hyparrhenia pusilla (Hook.f.) Stapf – synonym of Andropogon pusillus Hook. f.
Hyparrhenia rufa major (Rendle) Stapf – synonym of Hyparrhenia rufa (Nees) Stapf
Hyparrhenia ruprechtii (Hack.) Fourn. – synonym of Hyperthelia dissoluta (Nees ex Steud.) Clayton
Hyparrhenia scabrimarginata (De Wild.) Robyns – synonym of Hyparrhenia collina (Pilg.) Stapf
Hyparrhenia schimperi (Hochst. ex A. Rich.) Andersson ex Stapf
Hyparrhenia smithiana (Hook. f.) Stapf
Hyparrhenia ×smithiana nothovar. major
Hyparrhenia snowdenii C.E. Hubb. – synonym of Hyparrhenia gazensis (Rendle) Stapf
Hyparrhenia soluta (Stapf) Stapf – synonym of Hyparrhenia bagirmica (Stapf) Stapf
Hyparrhenia soluta violascens Stapf – basionym of Hyparrhenia violascens (Stapf) Clayton
Hyparrhenia sulcata Jacq.-Fél. – synonym of Parahyparrhenia annua (Hack.) W.D.Clayton
Hyparrhenia tamba (Steud.) Stapf
Hyparrhenia umbrosa (Hochst.) Clayton
Hyparrhenia violascens (Stapf) Clayton
Hyparrhenia viridescens Robyns – synonym of Hyparrhenia schimperi (Hochst. ex A. Rich.) Andersson ex Stapf
Hyparrhenia welwitschii (Rendle) Stapf
Hyparrhenia wombaliensis (Vanderyst ex Robyns) Clayton
Hyperthelia colobantha Clayton
Hyperthelia cornucopiae (Hack.) Clayton
Hyperthelia dissoluta (Nees ex Steud.) Clayton
Hyperthelia edulis (C.E. Hubb.
Hyperthelia kottoensis Desc. & Mazade
Hyperthelia macrolepis (Hack.) Clayton – synonym of Hyperthelia dissoluta (Nees ex Steud.) Clayton
Hyperthelia polychaeta Clayton
Hypogynium absimile (Pilg.) Roberty – synonym of Hyparrhenia mobukensis (Chiov.) Chiov.
Hypogynium macrochaetum Stapf – synonym of Anadelphia macrochaeta (Stapf) W.D. Clayton
Hypogynium spathiformis of FTA 9, not Nees – synonym of Andropogon festuciformis Rendle