Panicum abyssinicum A. Rich. – basionym of Digitaria abyssinica (A. Rich.) Stapf
Panicum adscendens Kunth – synonym of Digitaria ciliaris (Retz.) Koel.
Panicum americanum subsp. – synonym of Pennisetum glaucum subsp. glaucum
Panicum annulatum A. Rich. – synonym of Eriochloa barbatus (Trin.) Yadaq & Almeida
Panicum aphaneuron – synonym of Panicum fluviicola
Panicum aristulatum Steud. – basionym of Digitaria aristulata (Steud.) Stapf
Panicum arnottianum Nees – synonym of Ottochloa nodosa (Kunth) Dandy
Panicum atrofuscum – synonym of Digitaria atrofusca
Panicum barbatum – synonym of Setaria barbata
Panicum baumannii K. Schum. – synonym of Trichanthecium praealtum (Sw.) Zuloaga & Morrone
Panicum brachariaeforme Steud. – synonym of Echinochloa colona (Linn.) Link
Panicum brazzae Franch. – basionym of Digitaria brazzae (Franch.) Stapf
Panicum brazzavillense Franch. – basionym of Trichanthecium brazzavillense
Panicum brizanthum – synonym of Urochloa brizantha
Panicum burgu A. Chev. – synonym of Echinochloa stagnina (Retz.) P. Beauv.
Panicum burmannii – synonym of Oplismenus burmannii
Panicum callopus Pilg. – basionym of Echinochloa callopus (Pilg.) Clayton
Panicum carinifolium Stapf – synonym of Trichanthecium praealtum (Sw.) Zuloaga & Morrone
Panicum chaetopohoron – synonym of Cyrtococcum chaetophoron
Panicum ciliare Retz. – basionym of Digitaria ciliaris (Retz.) Koel.
Panicum ciliocinctum Pilg. – basionym of Sacciolepis ciliocincta (Pilg.) Stapf
Panicum colonum Linn. – basionym of Echinochloa colona (Linn.) Link
Panicum compressum Forssk. – synonym of Chloris flagellifera (Nees) Peterson
Panicum crus-galli Linn. – basionym of Echinochloa crus-galli (Linn.) P. Beauv.
Panicum crus-galli polystachyum Asch. & Schweinf. – synonym of Echinochloa crus-galli (Linn.) P. Beauv.
Panicum crus-galli polystachyum Aschers. & Schweinf. – synonym of Echinochloa pyramidalis (Lam.) Hitchcock & Chase
Panicum dactylon Linn. – basionym of Cynodon dactylon (Linn.) Pers.
Panicum daltonii Parl. ex Web. – synonym of Echinochloa colona (Linn.) Link
Panicum debile Desf. – basionym of Digitaria debilis (Desf.) Willd.
Panicum deflexum – synonym of Brachiaria deflexa
Panicum diagonale hirsutum de Wild.& Th.Dur. – synonym of Digitaria diagonalis (Nees) Stapf
Panicum diagonale Nees – basionym of Digitaria diagonalis (Nees) Stapf
Panicum diamesum Steud. – synonym of Digitaria nuda Schumach.
Panicum didymostachyum Steud. – synonym of Digitaria gayana (Kunth) A. Chev.
Panicum dimidiatum Linn. – basionym of Stenotaphrum dimidiatum (Linn.) Brongniart
Panicum dinklagei Mez – basionym of Trichanthecium dinklagei
Panicum drosocarpum Stapf – synonym of Trichanthecium tenellum (Lam.) Zuloaga & Morrone
Panicum exilis A. Chev. – invalid name of Digitaria exilis (Kippist) Stapf
Panicum falciferum – synonym of Brachiaria falcifera
Panicum fatmense Hochst. & Steud. – synonym of Eriochloa barbatus (Trin.) Yadaq & Almeida
Panicum filicaule Stapf – synonym of Trichanthecium tenellum (Lam.) Zuloaga & Morrone
Panicum filifolium Clayton – basionym of Trichanthecium filifolium (Clayton) Zuloaga & Morrone
Panicum frumataceum Roxb. – invalid name of Echinochloa frumentacea Link
Panicum fulgens Stapf – synonym of Trichanthecium nervatum (Franch.) Zuloaga & Morrone
Panicum gabunense – synonym of Acroceras gabunense (Hack.) Clayton
Panicum gayanum Kunth – basionym of Digitaria gayana (Kunth) A. Chev.
Panicum geminatum – synonym of Paspalidium geminatum
Panicum gemmeum C.E. Hubb. – synonym of Trichanthecium tenellum (Lam.) Zuloaga & Morrone
Panicum glauccladum C.E. Hubb. – basionym of Trichanthecium glaucocladum (C.E. Hubb.) Zuloaga & Morrone
Panicum glaucum – synonym of Pennisetum glaucum subsp. glaucum
Panicum globulosum Mez – synonym of Trichanthecium nervatum (Franch.) Zuloaga & Morrone
Panicum gracilicaule rendle – basionym of Trichanthecium gracilicaule (Rendle) Zuloaga & Morrone
Panicum hackelii Pilg. – synonym of Digitaria abyssinica (A. Rich.) Stapf
Panicum haplocladum Stapf – basionym of Echinochloa haploclada (Stapf) Stapf
Panicum hirtellum – synonym of Oplismenus hirtellus
Panicum hordeoides – synonym of Pennisetum hordeoides
Panicum huillense Rendle – synonym of Sacciolepis myosuroides (R. Br.) A. Camus
Panicum huillense spiciforme (Hochst ex A. Rich.) Engler – synonym of Sacciolepis myosuroides (R. Br.) A. Camus
Panicum hystrix Steud. – synonym of Trichanthecium tenellum (Lam.) Zuloaga & Morrone
Panicum interruptum Willd. – basionym of Sacciolepis interrupta (Willd.) Stapf
Panicum jubatum – synonym of Brachiaria jubata
Panicum kerstingii – synonym of Panicum pansum
Panicum laxum – basionym of Steinchisma laxa (Swartz) Zuloaga
Panicum leptorhachis Pilg. – synonym of Digitaria leptorhachis (Pilg.) Stapf
Panicum lindleyanum Steud. – synonym of Trichanthecium tenellum (Lam.) Zuloaga & Morrone
Panicum macroblepharum Hack. – basionym of Digitaria macroblephara (Hack.) Stapf
Panicum mayumbense Franch. – synonym of Acroceras gabunense (Hack.) Clayton
Panicum megaphyllum – synonym of Setaria megaphylla
Panicum meyeranum Nees – basionym of Eriochloa meyerana (Nees) Pilg.
Panicum minutiflorum A. Rich. – synonym of Digitaria pseudodiagonalis Chiov.
Panicum mite Steud. – synonym of Eriochloa meyerana (Nees) Pilg.
Panicum monachne – synonym of Tricholaena monachne
Panicum mosambicense – synonym of Urochloa mosambicensis
Panicum mueense Vanderyst – basionym of Trichanthecium mueense (Vanderyst) Zuloga & Morrone
Panicum muticum – synonym of Brachiaria mutica
Panicum myosuroides – basionym of Sacciolepis myosuroides (R. Br.) A. Camus
Panicum nervatum (Franch.) Stapf – synonym of Trichanthecium nervatum (Franch.) Zuloaga & Morrone
Panicum nigritianum Hack. – synonym of Digitaria leptorhachis (Pilg.) Stapf
Panicum nodosum Kunt – basionym of Ottochloa nodosa (Kunth) Dandy
Panicum ogowense Franch. – synonym of Acroceras zizanoides (Kunth) Dandy
Panicum oplismenoides Hack. – basionym of Poecilostachys oplismenoides (Hack.) Clayton
Panicum pallens Sw. – basionym of Ichnanthus pallens (Sw.) Benth.
Panicum parvifolium Lam. – basionym of Trichanthecium parvifolium (Lam.) Zuloaga & Morrone
Panicum perrottetii Kunth – synonym of Digitaria perrottetii (Kunth) Stapf
Panicum plantagineum – synonym of Brachiaria plantaginea
Panicum ×polystachion nothovar. – synonym of Pennisetum ×polystachion nothovar. polystachion
Panicum porphyrrhizos – synonym of Panicum porphyrrhizos
Panicum porranthum Steud. – synonym of Digitaria horizontalis Willd.
Panicum praealtum Sw. – synonym of Trichanthecium praealtum (Sw.) Zuloaga & Morrone
Panicum pubiglume Stapf – synonym of Trichanthecium brazzavillense
Panicum pumilum – synonym of Setaria pumila
Panicum pyramidalis Lam. – synonym of Echinochloa pyramidalis (Lam.) Hitchcock & Chase
Panicum radicosum Presl – basionym of Digitaria radicosa (Presl) Miquel
Panicum ramosum – synonym of Brachiaria ramosa
Panicum raripilum Kunth – synonym of Trichanthecium parvifolium (Lam.) Zuloaga & Morrone
Panicum regulare – synonym of Brachiaria deflexa
Panicum rigens Mez – synonym of Sacciolepis leptorrhachis Stapf
Panicum sanguinale lecardii Pilg. – synonym of Digitaria argyllacea (Hitchc.& Chase) Fernald
Panicum scabrum Lam. – synonym of Echinochloa stagnina (Retz.) P. Beauv.
Panicum scabrum lelievrei A. Chev. – synonym of Echinochloa stagnina (Retz.) P. Beauv.
Panicum scabrum oryzaetorum A. Chev. – synonym of Echinochloa stagnina (Retz.) P. Beauv.
Panicum scalarum Schweinf. – synonym of Digitaria abyssinica (A. Rich.) Stapf
Panicum semialatum R. Brown – basionym of Alloteropsis semialata (R. Brown) Hitchcock
Panicum sphacelatum – synonym of Setaria sphacelata
Panicum spiciforme Hochst. ex A. Rich. – synonym of Sacciolepis myosuroides (R. Br.) A. Camus
Panicum stagninum Retz. – basionym of Echinochloa stagnina (Retz.) P. Beauv.
Panicum stigmatisatum – synonym of Brachiaria stigmatisata
Panicum strictissimum Afz. ex Sw. – basionym of Trichanthecium strictissimum (Afz. ex Sw.) Zuloaga & Morrone
Panicum subalbidum – synonym of Panicum antidotale
Panicum ×subangustum nothovar. – synonym of Pennisetum ×polystachion nothovar. polystachion
Panicum sublaetum Stapf – synonym of Trichanthecium gracilicaule (Rendle) Zuloaga & Morrone
Panicum subquadripara – synonym of Brachiaria subquadripara
Panicum tenellum Lam. – basionym of Trichanthecium tenellum (Lam.) Zuloaga & Morrone
Panicum tenuissimum Schrank – basionym of Sporobolus tenuissimus (Mart. ex Schrank) Kuntze
Panicum thouaresianum Fluegge – basionym of Digitaria thouaresiana (Fluegge) A. Camus
Panicum timorense Kunth – synonym of Digitaria radicosa (Presl) Miquel
Panicum trochainii (A. Camus) A. Camus – synonym of Trichanthecium tenellum (Lam.) Zuloaga & Morrone
Panicum typhurum Stapf – basionym of Sacciolepis typhura (Stapf) Stapf
Panicum verticillatum – synonym of Setaria verticellata
Panicum viciniflorum Stapf – synonym of Trichanthecium tenellum (Lam.) Zuloaga & Morrone
Panicum vicinum var. Bail. – synonym of Ichnanthus pallens var. majus Nees
Panicum villosum – synonym of Brachiaria villosa
Panicum xantholeucum – synonym of Brachiaria xantholeuca
Panicum xanthotrichum Hack. – basionym of Digitaria xanthotricha (Hack.) Stapf
Panicum zizanoides Kunth – basionym of Acroceras zizanoides (Kunth) Dandy
Panixum latum – synonym of Brachiaria lata
Pappophorum cenchroides Licht. – basionym of Enneapogon cenchroides (Licht. ex Roem. & Schult.) C.E.Hubb.
Pappophorum schimperanum Hochst. ex A. Rich. – synonym of Enneapogon persicus Bois.
Pappophorum senegalense Steud. – synonym of Enneapogon cenchroides (Licht. ex Roem. & Schult.) C.E.Hubb.
Pappophorum vincentianum Schmidt – synonym of Enneapogon desvauxii P. Beauv.
Parahyparrhenia annua (Hack.) W.D.Clayton
Parahyparrhenia perennis Clayton
Paspalum africanum Poir. – synonym of Paspalum conjugatum Berg.
Paspalum auriculatum auct. Afr. non Presl – synonym of Paspalum lamprocaryon K. Schum.
Paspalum auriculatum auct. non Presl – synonym of Paspalum scrobiculatum Linn.
Paspalum auriculatum Presl – synonym of Paspalum scrobiculatum Linn.
Paspalum barbatus Schumach. – synonym of Paspalum scrobiculatum Linn.
Paspalum commersonii – synonym of Paspalum scrobiculatum Linn.
Paspalum distichum – synonym of Paspalum vaginatum
Paspalum distichum var. vaginatum – synonym of Paspalum vaginatum
Paspalum exile Kippist – basionym of Digitaria exilis (Kippist) Stapf
Paspalum fissifolium Raddi – basionym of Axonopus fissifolius (Raddi) Kuhlm.
Paspalum fuscescens Presl – synonym of Digitaria fuscescens (Kippist) Henr.
Paspalum glumaceum W.D. Clayton
Paspalum lamprocaryon K. Schum.
Paspalum ledermannii Mez – synonym of Paspalum scrobiculatum Linn.
Paspalum littorale – synonym of Paspalum vaginatum
Paspalum longiflorum Retz. – basionym of Digitaria longiflora (Retz.) Pers.
Paspalum orbiculare Forster f.
Paspalum polystachyum R.Br. – synonym of Paspalum scrobiculatum Linn.
Paspalum scrobiculatum var. orbiculare – synonym of Paspalum orbiculare Forster f.
Paspalum scrobiculatum (C.E. Hubb) Clayton – synonym of Paspalum scrobiculatum Linn.
Paspalum scrobiculatum auriculatum (Presl) Merr. – synonym of Paspalum scrobiculatum Linn.
Paspalum scrobiculatum bispiculatum Hack. – synonym of Paspalum scrobiculatum Linn.
Paspalum scrobiculatum deightonii C.E.Hubb. – synonym of Paspalum scrobiculatum Linn.
Paspalum scrobiculatum lanceolatum Koning & Sosef – synonym of Paspalum lamprocaryon K. Schum.
Paspalum scrobiculatum orbiculare (Forster) Hack. – synonym of Paspalum scrobiculatum Linn.
Pennicillaria sieberana – synonym of Pennisetum sieberanum
Pennisetum americanum – synonym of Pennisetum glaucum subsp. glaucum
Pennisetum cinereum – synonym of Pennisetum glaucum subsp. glaucum
Pennisetum glaucum subsp. glaucum
Pennisetum glaucum ssp. sieberanum – synonym of Pennisetum sieberanum
Pennisetum ×polystachion nothovar. polystachion
Pennisetum ×subangustum nothovar. – synonym of Pennisetum ×polystachion nothovar. polystachion
Perotis indica (Linnaeus) O. Kuntze
Perotis latifolia Ait. – synonym of Perotis indica (Linnaeus) O. Kuntze
Perotis patens parvispicula Robyns & Tournay – synonym of Perotis patens Gand.
Perotis scabra Willd. ex Trin.
Phacelurus congoensis (Hack.) Zon – synonym of Phacelurus gabonensis (Steud.) Clayton
Phacelurus gabonensis (Steud.) Clayton
Phaenanthoecium koestlinii (Hochst. ex A.Rich.) C.E.Hubbard
Phalaris hispida Thunb. – basionym of Arthraxon hispidus (Thunb.) Makino
Phalaris vaginiflora Forssk. – synonym of Sporobolus niliacus (Fig. & De Not.) Peterson
Phalaris velutina Forssk. – basionym of Digitaria velutina (Forssk.) P. Beauv.
Phalaris zizanoides Linnaeus – basionym of Chrysopogon zizanoides (Linn.) Roberty
Phleum indicum Houtt. – basionym of Polytrias indica (Houtt.) Veldkamp
Phleum schoenoides Linn. – basionym of Sporobolus schoenoides (Linn.) Peterson
Phragmites australis (Cav.) Trin. ex Steud.
Phragmites australis subsp. altissimus (Benth.) Clayton
Phragmites communis subsp. isiacus (Griseb.) Arcang – synonym of Phragmites australis subsp. altissimus (Benth.) Clayton
Phragmites communis Trin. – synonym of Phragmites australis (Cav.) Trin. ex Steud.
Phragmites karka (Retz.) Steud.
Phragmites laxiflorus Steud. – synonym of Phragmites karka (Retz.) Steud.
Piptatherum holciforme (M. Bieb.) Roem. & Schult.
Pleiadelphia gossweileri Stapf – basionym of Elymandra gossweileri (Stapf) Clayton
Poa aegyptiaca Willd. – basionym of Eragrostis aegyptiaca (Willd.) Link.
Poa amabilis Linn. – basionym of Eragrostis amabilis (Linn.) Wight & Arn.
Poa aspera Jacq. – basionym of Eragrostis aspera (Jacq.) Nees
Poa atrovirens Desf. – basionym of Eragrostis atrovirens (Desf.) Steud.
Poa biformis Kunth – synonym of Eragrostis atrovirens (Desf.) Steud.
Poa bulbosa vivipara (Koeler) Arcang. – synonym of Poa bulbosa Linn.
Poa cachetica Schumach. – synonym of Eragrostis cilianensis (Allioni) Lutati
Poa chapelieri Kunth – basionym of Eragrostis chapelieri (Kunth) Nees
Poa cilianensis Allioni – basionym of Eragrostis cilianensis (Allioni) Lutati
Poa ciliaris Linn. – basionym of Eragrostis ciliaris (Linn.) R. Br.
Poa curvula – basionym of Eragrostis curvula (Schrader) Nees
Poa domingensis Pers. – synonym of Eragrostis prolifera (Sw.) Steud.
Poa gangetica Roxb. – basionym of Eragrostis gangetica (Roxb.) Steud.
Poa hippurus Schumach. – synonym of Eragrostis aspera (Jacq.) Nees
Poa japonica Thunb. – basionym of Eragrostis japonica (Thunb.) Trin.
Poa lepida (A. Rich.) – basionym of Eragrostis lepida (A. Rich.) Hochst. ex Steud.
Poa leptoclada Hochst. ex A. Rich.
Poa linearis Schumach. – synonym of Eragrostis prolifera (Sw.) Steud.
Poa mucronata Poir. – basionym of Megastachya mucronata
Poa muhavurensis C.E. Hubb. – synonym of Poa schimperana A. Rich.
Poa panicea Retz. – basionym of Leptochloa panicea (Retz.) Ohwi
Poa paniciformis A.Braun – basionym of Eragrostis paniciformis (A. Braun) Steud.
Poa patula Kunth – basionym of Eragrostis patula (Kunth) Steud.
Poa pilosa Linn. – synonym of Eragrostis pilosa (Linn.) P. de Beauv.
Poa prolifera Sw. – basionym of Eragrostis prolifera (Sw.) Steud.
Poa racemosa Thunb. – basionym of Eragrostis racemosa (Thunb.) Steud.
Poa sarmentosa Thunb. – basionym of Eragrostis sarmentosa (Thunb.) Trin.
Poa squamata Lam. – basionym of Eragrostis squamata (Lam.) Steud.
Poa squarrosa. Roem. & Schult. – synonym of Eragrostis marlothii Hack.
Poa tef Zucc. – basionym of Eragrostis tef (Zucc.) Trotter
Poa tenella Linn. – synonym of Eragrostis amabilis (Linn.) Wight & Arn.
Poa tenuifolia A. Rich. – synonym of Eragrostis patula (Kunth) Steud.
Poa tremula Lam. – synonym of Eragrostis tremula Hochst ex Steud.
Poa turgida Schumach. – basionym of Eragrostis turgida (Schumach.) De Wild.
Poa unioloides Retz. – basionym of Eragrostis unioloides (Retz.) Nees ex Steud.
Poa viscosa Retz. – basionym of Eragrostis viscosa (Retz.) Trin.
Pobeguinea afzeliana (Rendle) Jacq.-Fél. – synonym of Anadelphia afzeliana (Rendle) Stapf
Pobeguinea arrecta (Stapf) Jacq.-Fél. – synonym of Anadelphia afzeliana (Rendle) Stapf
Pobeguinea trspiculata (Stapf) Jacq.-Fél., 1950 – synonym of Anadelphia trispiculata Stapf
Poecilostachys oplismenoides (Hack.) Clayton
Pogonarthria squarrosa (Roem. & Schult.) Pilg – synonym of Eragrostis marlothii Hack.
Polypogon monspeliensis (Linn.) Desf.
Polypogon semiverticillatus (Forssk.) Hyl. – synonym of Polypogon viridis (Gouan) Beistr.
Polypogon viridis (Gouan) Beistr.
Polytrias amaura Kuntze – synonym of Polytrias indica (Houtt.) Veldkamp
polytrias diversiflora (Steud.) Nash – synonym of Polytrias indica (Houtt.) Veldkamp
Polytrias indica (Houtt.) Veldkamp
Potamophila le-testui Koechlin – basionym of Maltebrunia letestui (Koechlin) C.E. Hubb.
Pseudobromus africanus (Hack.) Stapf
Pseudobromus sylvaticus K. Schum. – synonym of Pseudobromus africanus (Hack.) Stapf
Pseudoxytenanthera albociliata
Psilopogon figarii De Not. – synonym of Arthraxon lancifolius (Trin.) Hochst.
Puelia acuminata Pilg. – synonym of Puelia ciliata Franch.
Puelia olyriformis (Franch.) Clayton
Puelia subsessilis Pilg. – synonym of Puelia ciliata Franch.