IRMNG

Between brackets is the number of accepted species

1 Click on "-" to collapse/hide all child taxa

2 Shows the number of accepted species within the taxon

3 The last expanded taxon is highlighted

4 Click on "+" to expand/show all child taxa

5 Click to see the taxon details page

Show accepted taxa only Only show main ranks

Biota
Kingdom Animalia
Kingdom Archaea
Kingdom Bacteria
Kingdom Chromista
Kingdom Fungi
Kingdom Plantae
Phylum Acritarcha †
Phylum Algae (awaiting allocation)
Phylum Algae incertae sedis
Phylum Anthocerotophyta
Phylum Bryophyta
Phylum Calcitarcha †
Phylum Charophyta
Phylum Chlorophyta
Phylum Eophyta †
Phylum Glaucophyta
Phylum Gymnospermophyta accepted as Tracheophyta
Phylum Horneophyta †
Phylum Magnoliophyta accepted as Tracheophyta
Phylum Marchantiophyta
Phylum Picozoa
Phylum Plantae (awaiting allocation)
Phylum Prasinodermatophyta
Phylum Pteridophyta accepted as Tracheophyta
Phylum Rhodelphidia
Phylum Rhodophyta
Phylum Sporae dispersae †
Phylum Tracheophyta
Subdivision Lycopodiophytina
Subdivision Polypodiophytina
Subdivision Spermatophytina
Superclass Angiospermae
Class Liliopsida accepted as Magnoliopsida
Class Magnoliopsida
Order Acorales
Order Adoxales accepted as Dipsacales
Order Alismatales
Order Alstroemeriales accepted as Liliales
Order Amaryllidales accepted as Asparagales
Order Amborellales
Order Apiales
Order Apocynales accepted as Gentianales
Order Aquifoliales
Order Arales accepted as Alismatales
Order Araliales accepted as Apiales
Order Aralidiales accepted as Apiales
Order Arecales
Order Aristolochiales accepted as Piperales
Order Asparagales
Order Asterales
Order Aucubales accepted as Garryales
Order Austrobaileyales
Order Balanophorales accepted as Santalales
Order Batales accepted as Brassicales
Order Begoniales accepted as Cucurbitales
Order Berberidales accepted as Ranunculales
Order Berberidopsidales
Order Biebersteiniales accepted as Sapindales
Order Boraginales
Order Brassicales
Order Brexiales accepted as Celastrales
Order Bromeliales accepted as Poales
Order Bruniales
Order Burmanniales accepted as Dioscoreales
Order Burserales accepted as Sapindales
Order Buxales
Order Callitrichales accepted as Lamiales
Order Calycerales accepted as Asterales
Order Campanulales accepted as Asterales
Order Canellales
Order Capparales accepted as Brassicales
Order Caryophyllales
Order Casuarinales accepted as Fagales
Order Celastrales
Order Ceratophyllales
Order Chloranthales
Order Circaeasterales accepted as Ranunculales
Order Cistales accepted as Malvales
Order Colchicales accepted as Liliales
Order Commelinales
Order Cornales
Order Corylales accepted as Fagales
Order Crossosomatales
Order Cucurbitales
Order Cyclanthales accepted as Pandanales
Order Cynomoriales accepted as Saxifragales
Order Cyperales accepted as Poales
Order Daphniphyllales accepted as Saxifragales
Order Desfontainiales accepted as Bruniales
Order Diapensiales accepted as Ericales
Order Didymelales accepted as Buxales
Order Dilleniales
Order Dioscoreales
Order Dipsacales
Order Ebenales accepted as Ericales
Order Ericales
Order Eriocaulales accepted as Poales
Order Escalloniales
Order Eucommiales accepted as Garryales
Order Euphorbiales accepted as Malpighiales
Order Fabales
Order Fagales
Order Francoales accepted as Geraniales
Order Garryales
Order Gentianales
Order Geraniales
Order Glaucidiales accepted as Ranunculales
Order Griseliniales accepted as Apiales
Order Gunnerales
Order Haemodorales accepted as Commelinales
Order Haloragales accepted as Saxifragales
Order Hamamelidales accepted as Saxifragales
Order Helobiales accepted as Alismatales
Order Helwingiales accepted as Aquifoliales
Order Huerteales
Order Hydatellales accepted as Nymphaeales
Order Hydrangeales accepted as Cornales
Order Hydrastidales accepted as Ranunculales
Order Hydrocharitales accepted as Alismatales
Order Hydropeltidales accepted as Nymphaeales
Order Hypericales accepted as Malpighiales
Order Hypoxidales accepted as Asparagales
Order Icacinales
Order Illiciales accepted as Austrobaileyales
Order Iridales accepted as Asparagales
Order Juglandales accepted as Fagales
Order Juncaginales accepted as Alismatales
Order Juncales accepted as Poales
Order Lamiales
Order Laurales
Order Lecythidales accepted as Ericales
Order Leitneriales accepted as Sapindales
Order Liliales
Order Linales accepted as Malpighiales
Order Magnoliales
Order Magnoliopsida (awaiting allocation)
Order Malpighiales
Order Malvales
Order Melanthiales accepted as Liliales
Order Metteniusales
Order Myricales accepted as Fagales
Order Myrsinales accepted as Ericales
Order Myrtales
Order Najadales accepted as Alismatales
Order Nepenthales accepted as Caryophyllales
Order Nymphaeales
Order Ochnales accepted as Malpighiales
Order Oleales accepted as Lamiales
Order Orchidales accepted as Asparagales
Order Oxalidales
Order Pandanales
Order Papaverales accepted as Ranunculales
Order Paracryphiales
Order Parnassiales accepted as Celastrales
Order Petrosaviales
Order Picramniales
Order Piperales
Order Plantaginales accepted as Lamiales
Order Plumbaginales accepted as Caryophyllales
Order Poales
Family Anarthriaceae D.F. Cutler & Airy Shaw, 1965 accepted as Restionaceae R. Brown, 1810
Family Bromeliaceae de Jussieu, 1789
Family Centrolepidaceae Endlicher, 1836 accepted as Restionaceae R. Brown, 1810
Family Cyperaceae de Jussieu, 1789
Family Ecdeiocoleaceae D.F. Cutler & Airy Shaw, 1965
Family Eriocaulaceae Martinov, 1820
Family Flagellariaceae Dumortier, 1829
Family Gramineae de Jussieu, 1789 accepted as Poaceae Barnhart, 1895
Family Joinvilleaceae Tolmatchew & A.C. Smith, 1970
Family Juncaceae de Jussieu, 1789
Family Mayacaceae Kunth, 1842
Family Poaceae Barnhart, 1895
Genus Aakia J.R. Grande, 2014 accepted as Panicum Linnaeus, 1753
Genus Abola Adanson, 1763 accepted as Cinna Linnaeus, 1753
Genus Acamptoclados Nash in J.K. Small, 1903 accepted as Eragrostis N.M. Wolf, 1776
Genus Achaeta E.P.N. Fournier, 1886 accepted as Calamagrostis Adanson, 1763
Genus Achlaena Grisebach, 1866
Genus Achnatherum Palisot de Beauvois, 1812
Genus Achnella (Elias) M.E. Barkworth, 1993
Genus Achneria Palisot de Beauvois, 1812 accepted as Eriachne R. Brown, 1810
Genus Achneria Munro ex Bentham & J.D. Hooker, 1883 accepted as Pentameris Palisot de Beauvois, 1812
Genus Achnodon Link, 1827 accepted as Phleum Linnaeus, 1753
Genus Achnodonton Palisot de Beauvois, 1812 accepted as Phleum Linnaeus, 1753
Genus Achrochloa A.H.R. Grisebach, 1846 accepted as Koeleria Persoon, 1805
Genus Achroostachys G. Bentham, 1881 accepted as Athroostachys Bentham in Bentham & J.D. Hooker, 1883
Genus Achyrodes Boehmer in C.G. Ludwig, 1760 accepted as Lamarckia C. Moench, 1794
Genus Aciachne Bentham, 1881
Genus Acicarpa Raddi, 1823 accepted as Digitaria A. Haller, 1768
Genus Acidosasa C.D. Chu & C.S. Chao, 1979
Genus Aconisia J.R. Grande, 2014 accepted as Panicum Linnaeus, 1753
Genus Acostia Swallen, 1968 accepted as Panicum Linnaeus, 1753
Genus Acrachne R. Wight & Arnott ex Chiovenda, 1907
Genus Acratherum Link, 1827 accepted as Arundinella Raddi, 1823
Genus Acritochaete Pilger in Engler, 1902
Genus Acroceras Stapf in D. Prain, 1920
Species Acroceras amplectens Stapf
Species Acroceras macrum Stapf
Species Acroceras oryzoides (Swartz) Stapf
Genus Acrochaete A. Peter, 1930 accepted as Setaria Palisot de Beauvois, 1812
Genus Acroelytrum Steudel, 1846 accepted as Lophatherum A.T. Brongniart in Duperrey, 1831
Genus Acrospelion Besser in J.A. Schultes & J.H. Schultes, 1827
Genus Acrospelion E.G. von Steudel accepted as Trisetum Persoon, 1805
Genus Acroxis C.B. von Trinius ex E.G. von Steudel, 1840 accepted as Muhlenbergia Schreber, 1789
Genus Actinochloa Willdenow ex J.J. Roemer & J.A. Schultes, 1817 accepted as Bouteloua Lagasca, 1805
Genus Actinochloris E.G. von Steudel, 1840 accepted as Chloris O. Swartz, 1788
Genus Actinocladum F.A. McClure ex T.R. Soderstrom, 1981
Genus Adenochloa F.O. Zuloaga, 2014 accepted as Panicum Linnaeus, 1753
Genus Aechmophora C.P.J. Sprengel ex E.G. von Steudel, 1840 accepted as Bromus Linnaeus, 1753
Genus Aegialina J.A. Schultes, 1824 accepted as Rostraria Trinius, 1820
Genus Aegialitis Trinius, 1820 accepted as Rostraria Trinius, 1820
Genus Aegicon Adanson, 1763 accepted as Aegilops Linnaeus, 1753
Genus Aegilemma Á. Löve, 1982 accepted as Aegilops Linnaeus, 1753
Genus Aegilonearum Á. Löve, 1982 accepted as Aegilops Linnaeus, 1753
Genus Aegilopodes Á. Löve, 1982 accepted as Aegilops Linnaeus, 1753
Genus Aegilops Linnaeus, 1753
Genus Aegilosecale Ciferri & Giacomini, 1950
Genus Aegilotrichum E.G. Camus, 1927 accepted as Aegilotriticum P. Fournier, 1935
Genus Aegilotriticale C.E. Leighty & W.J. Sando, 1927
Genus Aegilotriticum P. Fournier, 1935
Genus Aegopogon Humboldt & Bonpland ex Willdenow, 1806
Genus Aelbroeckia DeMoor, 1854 accepted as Aeluropus Trinius, 1822
Genus Aeluropus Trinius, 1822
Genus Aemulanthus R.P. Oliveira & F.M. Ferreira in Oliveira et al., 2024
Genus Aera P. Ascherson, 1864 accepted as Aira Linnaeus, 1753
Genus Aeropsis P. Ascherson & P. Graebner, 1899 accepted as Airopsis Desvaux, 1809
Genus Aethonopogon E. Hackel ex C.E.O. Kuntze, 1891 accepted as Polytrias Hackel in Engler & Prantl, 1887
Genus Afrachneria T.A. Sprague, 1922 accepted as Pentameris Palisot de Beauvois, 1812
Genus Afrotrichloris Chiovenda, 1915
Genus Agenium C.G.D. Nees in J. Lindley, 1836
Genus Aglycia C.L. von Willdenow ex E.G. von Steudel, 1840 accepted as Eriochloa Kunth in Humboldt, Bonpland & Kunth, 1816
Genus Agnesia F.O. Zuloaga & E.J. Judziewicz, 1993
Genus Agraulus Palisot de Beauvois, 1812 accepted as Agrostis Linnaeus, 1753
Genus Agrestia accepted as Agrestis Bubani, 1901
Genus Agrestis Bubani, 1901 accepted as Agrostis Linnaeus, 1753
Genus Agrocalamagrostis P. Ascherson & P. Graebner, 1899
Genus Agroelymus E.G. Camus ex A. Camus, 1927
Genus Agrohordeum E.G. Camus ex A. Camus, 1927
Genus Agropogon P. Fournier, 1934
Genus Agropyrohordeum E.G. Camus ex A. Camus, 1934 accepted as Agrohordeum E.G. Camus ex A. Camus, 1927
Genus Agropyron J. Gaertner, 1770
Genus Agropyropsis (Battandier & Trabut) A. Camus, 1935
Genus Agropyrum J.K. Roemer & J.A. Schultes, 1817 accepted as Agropyron J. Gaertner, 1770
Genus Agrositanion W.M. Bowden, 1967 accepted as Agroelymus E.G. Camus ex A. Camus, 1927
Genus Agrosticula Raddi, 1823 accepted as Sporobolus R. Brown, 1810
Genus Agrostidium Massalongo, 1853 †
Genus Agrostis Linnaeus, 1753
Genus Agrostomia V. Cervantes, 1870 accepted as Chloris O. Swartz, 1788
Genus Agrostopoa G. Davidse, R.J. Soreng & P.M. Peterson, 2009
Genus Agrostula P.M. Peterson, K. Romaschenko, R.J. Soreng & S.P. Sylvester, 2020
Genus Agrotrigia N.N. Tzvelev, 1972
Genus Agrotrisecale Ciferri & Giacomini, 1950
Genus Agrotriticum Ciferri & Giacomini, 1950
Genus Aikinia Wallich, 1832 accepted as Mnesithea Kunth, 1829
Genus Aira Linnaeus, 1753
Genus Airella (Dumortier) Dumortier, 1868 accepted as Aira Linnaeus, 1753
Genus Airidium Steudel, 1854 accepted as Deschampsia Palisot de Beauvois, 1812
Genus Airochloa Link, 1827 accepted as Koeleria Persoon, 1805
Genus Airopsis Desvaux, 1809
Genus Alectoridia A. Richard, 1847-1848 accepted as Arthraxon Palisot de Beauvois, 1812
Genus Alexfloydia B.K. Simon, 1992
Genus Allagostachyum C.G.D. Nees von Esenbeck ex E.G. von Steudel, 1840 accepted as Tribolium Desvaux, 1831
Genus Allelotheca Steudel, 1854 accepted as Lophatherum A.T. Brongniart in Duperrey, 1831
Genus Alloechaete C.E. Hubbard, 1940 accepted as Alloeochaete C.E. Hubbard, 1940
Genus Alloeochaete C.E. Hubbard, 1940
Genus Alloiatheros Rafinesque, 1830 accepted as Gymnopogon Palisot de Beauvois, 1812
Genus Allolepis Soderstrom & Decker, 1965
Genus Alloteropsis J.S. Presl in K.B. Presl, 1830
Genus Alopecuropsis P.M. Opiz, 1857 accepted as Alopecurus Linnaeus, 1753
Genus Alopecurus Linnaeus, 1753
Genus Alpagrostis P.M. Peterson, K. Romaschenko, R.J. Soreng & S.P. Sylvester, 2020
Genus Altoparadisium T.S. Filgueiras, G. Davidse, F.O. Zuloaga & O. Morrone, 2001
Genus Alvimia C.E. Calderón ex T.R. Soderstrom & X. Londoño, 1988
Genus Alycia C.L. von Willdenow ex E.G. von Steudel, 1840 accepted as Eriochloa Kunth in Humboldt, Bonpland & Kunth, 1816
Genus Amagris Rafinesque, 1814 accepted as Calamagrostis Adanson, 1763
Genus Amaxitis Adanson, 1763 accepted as Dactylis Linnaeus, 1753
Genus Amblyachyrum Hochstetter ex Steudel, 1854 accepted as Apocopis C.G.D. Nees, 1841
Genus Amblychloa J.H.F. Link, 1844 accepted as Sclerochloa Palisot de Beauvois, 1812
Genus Amblyopyrum Eig, 1929
Genus Amblytes J. Dulac, 1867 accepted as Molinia Schrank, 1789
Genus Amelichloa M.O. Arriaga & M.E. Barkworth, 2006
Genus Ammocalamagrostis P. Fournier, 1934 accepted as Calammophila A. Brand in W.D.J. Koch, 1907
Genus Ammochloa Boissier, 1854
Genus Ammophila Host, 1809
Genus Ampelocalamus S.L. Chen, T.H. Wen & G.Y. Sheng, 1981
Genus Ampelodesma Palisot de Beauvois, 1812
Genus Ampelodesmos Link, 1827
Genus Ampelodonax Lojacono Pojero, 1909 accepted as Ampelodesmos Link, 1827
Genus Amphibromus C.G.D. Nees, 1843
Genus Amphicarpum Kunth, 1829
Genus Amphidonax C.G.D. Nees in J. Lindley, 1836 accepted as Arundo Linnaeus, 1753
Genus Amphigenes Janka, 1860 accepted as Festuca Linnaeus, 1753
Genus Amphilophis Nash in N.L. Britton, 1901 accepted as Bothriochloa O. Kuntze, 1891
Genus Amphipogon R. Brown, 1810
Genus Amphochaeta N.J. Andersson, 1855 accepted as Pennisetum L.C. Richard in Persoon, 1805
Genus Anachortus Jirásek & Chrtek, 1962 accepted as Corynephorus Palisot de Beauvois, 1812
Genus Anachyris C.G.D. Nees, 1850 accepted as Paspalum Linnaeus, 1759
Genus Anachyrium E.G. von Steudel, 1853 accepted as Paspalum Linnaeus, 1759
Genus Anadelphia Hackel, 1885
Genus Anastrophus D.F.L. Schlechtendal, 1850 accepted as Axonopus Palisot de Beauvois, 1812
Genus Anatherostipa (E. Hackel ex Kuntze) P. Peñailillo, 1996
Genus Anatherum Nábelek, 1929 accepted as Festuca Linnaeus, 1753
Genus Anatherum Palisot de Beauvois, 1812 accepted as Andropogon Linnaeus, 1753
Genus Ancistrachne S.T. Blake, 1941
Genus Ancistragrostis S.T. Blake, 1946 accepted as Calamagrostis Adanson, 1763
Genus Ancistrochloa Honda, 1936 accepted as Calamagrostis Adanson, 1763
Genus Andropogon Linnaeus, 1753
Genus Andropterum Stapf in D. Prain, 1917
Genus Androscepia A.T. Brongniart in Duperrey, 1831 accepted as Themeda Forsskål, 1775
Genus Anelytrum Hackel, 1910 accepted as Avena Linnaeus, 1753
Genus Anemagrostis Trinius, 1820 accepted as Apera Adanson, 1763
Genus Anemanthele J.F. Veldkamp, 1985
Genus Aneurolepidium Nevski, 1934 accepted as Leymus Hochstetter, 1848
Genus Anisachne Y.L. Keng, 1958 accepted as Calamagrostis Adanson, 1763
Genus Anisantha K.H.E. Koch, 1848 accepted as Bromus Linnaeus, 1753
Genus Aniselytron Merrill, 1910
Genus Anisopogon R. Brown, 1810
Genus Anisopyrum (A.H.R. Grisebach) J.C.M. Grenier & Duval, 1859 accepted as Leymus Hochstetter, 1848
Genus Annamocalamus H.N. Nguyen, N.H. Xia & V.T. Tran, 2013
Genus Anomalotis Steudel, 1854 accepted as Agrostis Linnaeus, 1753
Genus Anomochloa A.T. Brongniart, 1851
Genus Anoplia E.G. von Steudel, 1854 accepted as Leptochloa Palisot de Beauvois, 1812
Genus Anthaenantha accepted as Anthenantia Palisot de Beauvois, 1812
Genus Anthaenantia Palisot de Beauvois, 1812 accepted as Anthenantia Palisot de Beauvois, 1812
Genus Anthaenantiopsis Mez ex Pilger, 1931
Genus Anthenanthia Palisot de Beauvois, 1812 accepted as Anthenantia Palisot de Beauvois, 1812
Genus Anthenantia Palisot de Beauvois, 1812
Genus Anthephora Schreber, 1810
Genus Anthipsimus Rafinesque, 1819 accepted as Muhlenbergia Schreber, 1789
Genus Anthistiria Linnaeus f., 1779 accepted as Themeda Forsskål, 1775
Genus Anthochloa C.G.D. Nees & F.J.F. Meyen in F.J.F. Meyen, 1834
Genus Anthopogon Nuttall, 1818 accepted as Gymnopogon Palisot de Beauvois, 1812
Genus Anthosachne Steudel, 1854 accepted as Elymus Linnaeus, 1753
Genus Anthoxanthum Linnaeus, 1753
Genus Antichloa E.G. von Steudel, 1840 accepted as Bouteloua Lagasca, 1805
Genus Antinoria Parlatore, 1845
Genus Antitragus J. Gaertner, 1790 accepted as Crypsis W. Aiton, 1789
Genus Antonella J.A. Caro, 1981 accepted as Tridens J.J. Roemer & J.A. Schultes, 1817
Genus Antoschmidtia Boissier, 1884 accepted as Schmidtia Steudel ex J.A. Schmidt, 1852
Genus Apera Adanson, 1763
Genus Aphanelytrum Hackel, 1902
Genus Aplexia Rafinesque, 1825 accepted as Leersia O. Swartz, 1788
Genus Aplocera C.S. Rafinesque, 1830 accepted as Ctenium Panzer, 1813
Genus Apluda Linnaeus, 1753
Genus Apochaete (C.E. Hubbard) Phipps, 1964 accepted as Tristachya C.G.D. Nees, 1829
Genus Apochiton C.E. Hubbard, 1936
Genus Apochloa F.O. Zuloaga & O. Morrone in S.M. Sede, O. Morrone, L.M. Giussani & F.O. Zuloaga, 2008
Genus Apoclada McClure in McClure & L.B. Smith, 1967
Genus Apocopis C.G.D. Nees, 1841
Genus Apogon E.G. von Steudel, 1840 accepted as Chloris O. Swartz, 1788
Genus Apogonia (Nuttall) E.P.N. Fournier, 1886 accepted as Mnesithea Kunth, 1829
Genus Arberella T.R. Soderstrom & C.E. Calderón, 1979
Genus Arcangelina O. Kuntze, 1891 accepted as Tripogon J.J. Roemer & J.A. Schultes, 1817
Genus Archaeoleersia J.R. Thomasson, 1980 †
Genus Arctagrostis Grisebach in Ledebour, 1852
Genus Arctodupontia N.N. Tzvelev, 1973
Genus Arctohyalopoa M. Röser & N. Tkach, 2020
Genus Arctophila (Ruprecht) N.J. Andersson, 1852
Genus Arctophilla accepted as Arctophila (Ruprecht) N.J. Andersson, 1852
Genus Arctopoa (Grisebach) N.S. Probatova, 1974 accepted as Poa Linnaeus, 1753
Genus Argillochloa W.A. Weber, 1984 accepted as Festuca Linnaeus, 1753
Genus Argopogon Mimeur, 1951 accepted as Ischaemum Linnaeus, 1753
Genus Aristaria Junghuhn, 1840 accepted as Themeda Forsskål, 1775
Genus Aristavena F. Albers & F. Butzin, 1977 accepted as Deschampsia Palisot de Beauvois, 1812
Genus Aristella (Trinius) Bertoloni, 1833 accepted as Achnatherum Palisot de Beauvois, 1812
Genus Aristida Linnaeus, 1753
Genus Aristidium (Endlicher) J. Lindley, 1847 accepted as Bouteloua Lagasca, 1805
Genus Aristopsis L. Catasús Guerra, 1981 accepted as Aristida Linnaeus, 1753
Genus Arrhenatherum Palisot de Beauvois, 1812
Genus Arrozia Schrader ex Kunth, 1833 accepted as Luziola A.L. Jussieu, 1789
Genus Arthragrostis M. Lazarides, 1985
Genus Arthratherum Palisot de Beauvois, 1812 accepted as Aristida Linnaeus, 1753
Genus Arthraxon Palisot de Beauvois, 1812
Genus Arthrochlaena Boiv. ex G. Bentham, 1881 accepted as Sclerodactylon Stapf, 1911
Genus Arthrochloa R. Brown, 1823 accepted as Holcus Linnaeus, 1753
Genus Arthrochloa J.W. Lorch, 1960 accepted as Acrachne R. Wight & Arnott ex Chiovenda, 1907
Genus Arthrochortus Lowe, 1856 accepted as Lolium Linnaeus, 1753
Genus Arthrolophis Chiovenda, 1917 accepted as Andropogon Linnaeus, 1753
Genus Arthropogon C.G.D. Nees, 1829
Genus Arthrostachya Link, 1827 accepted as Gaudinia Palisot de Beauvois, 1812
Genus Arthrostachys Desvaux, 1831 accepted as Andropogon Linnaeus, 1753
Genus Arthrostylidium Ruprecht, 1840
Genus Arthrostylodium accepted as Arthrostylidium Ruprecht, 1840
Genus Arundarbor G.E. Rumphius ex C.E.O. Kuntze, 1891 accepted as Bambusa Schreber, 1789
Genus Arundinaria A. Michaux, 1803
Genus Arundinella Raddi, 1823
Genus Arundo Linnaeus, 1753
Genus Arundoclaytonia G. Davidse & R.P. Ellis, 1987
Genus Asperella Humboldt, 1790 accepted as Elymus Linnaeus, 1753
Genus Asprella Host, 1809 accepted as Psilurus Trinius, 1820
Genus Asprella Schreber, 1789 accepted as Leersia O. Swartz, 1788
Genus Aspris Adanson, 1763 accepted as Aira Linnaeus, 1753
Genus Asthenatherum Nevski, 1934 accepted as Centropodia (R. Brown) H.G.L. Reichenbach, 1829
Genus Asthenochloa L.H. Buse, 1854
Genus Astrebla F. von Mueller ex Bentham, 1878
Genus Ataxia R. Brown, 1823 accepted as Anthoxanthum Linnaeus, 1753
Genus Athernotus Dulac, 1867 accepted as Calamagrostis Adanson, 1763
Genus Atherophora C.L. von Willdenow ex E.G. von Steudel, 1840 accepted as Aegopogon Humboldt & Bonpland ex Willdenow, 1806
Genus Atheropogon Mühlenberg ex Willdenow, 1806 accepted as Bouteloua Lagasca, 1805
Genus Athrolophis (von Trinius) E. Chiovenda, 1917 accepted as Andropogon Linnaeus, 1753
Genus Athroostachys Bentham in Bentham & J.D. Hooker, 1883
Genus Atractantha F.A. McClure, 1973
Genus Atractocarpa A.R. Franchet, 1887 accepted as Puelia Franchet, 1887
Genus Atropis (Trinius) Grisebach in Ledebour, 1852 accepted as Puccinellia Parlatore, 1848
Genus Aulacolepis Hackel, 1907 accepted as Calamagrostis Adanson, 1763
Genus Aulaxanthus S. Elliott, 1816 accepted as Anthenantia Palisot de Beauvois, 1812
Genus Aulaxia Nuttall, 1818 accepted as Anthenantia Palisot de Beauvois, 1812
Genus Aulonemia Goudot, 1846
Genus Aulonemiella L.G. Clark, X. Londoño, C.D. Tyrrell & E.J. Judziewicz, 2019
Genus Austofestuca (N.N. Tzvelev) E.B. Alexeev, 1976
Genus Australopyrum (N.N. Tzvelev) Á. Löve, 1984
Genus Austrochloris M. Lazarides, 1972
Genus Austrodanthonia H.P. Linder, 1997 accepted as Rytidosperma Steudel, 1854
Genus Austroderia N.P. Barker & H.P. Linder, 2010
Genus Austrofestuca (N.N. Tzvelev) E.B. Alexeev, 1976
Genus Austrostipa S.W.L. Jacobs & J. Everett, 1996
Genus Avellinia Parlatore, 1842
Genus Avena Linnaeus, 1753
Genus Avena Hall ex J.A. Scopoli, 1777 accepted as Lagurus Linnaeus, 1753
Genus Avenaria Heister ex Fabricius, 1759 accepted as Bromus Linnaeus, 1753
Genus Avenastrum Jessen, 1863
Genus Avenastrum Opiz, 1852 accepted as Helictotrichon Besser in J.A. Schultes & J.H. Schultes, 1827
Genus Avenella M.J. Bluff ex S.T.N. Drejer, 1838
Genus Avenella F. Parlatore, 1848 accepted as Avenella M.J. Bluff ex S.T.N. Drejer, 1838
Genus Avenochloa J. Holub, 1962 accepted as Helictochloa C. Romero Zarco, 2011
Genus Avenula (Dumortier) Dumortier, 1868
Genus Axonopus Palisot de Beauvois, 1812
Genus Balansochloa O. Kuntze in Post & O. Kuntze, 1903 accepted as Germainia Balansa & Poitrasson, 1873
Genus Baldingera P.G. Gaertner, B. Meyer & J. Scherbius, 1799 accepted as Phalaris Linnaeus, 1753
Genus Baldomiria Herter, 1940 accepted as Leptochloa Palisot de Beauvois, 1812
Genus Bambos A.J. Retzius, 1788 accepted as Bambusa Schreber, 1789
Genus Bambus J.F. Gmelin, 1791 accepted as Bambusa Schreber, 1789
Genus Bambusa Schreber, 1789
Genus Bambusites Ettingshausen, 1887 †
Genus Bambusium Unger, 1847 †
Genus Baptorhachis W.D. Clayton & S.A. Renvoize, 1986
Genus Barbusa accepted as Bambusa Schreber, 1789
Genus Barkworthia K. Romaschenko, P.M. Peterson & R.J. Soreng in Peterson et al., 2019
Genus Bashania P.C. Keng & T.P. Yi, 1982 accepted as Arundinaria A. Michaux, 1803
Genus Batochloa D.L. Salariato & F.O. Zuloaga in Delfini et al., 2023
Genus Batratherum C.G.D. Nees, 1835 accepted as Arthraxon Palisot de Beauvois, 1812
Genus Bauchea E.P.N. Fournier ex Bentham, 1881 accepted as Sporobolus R. Brown, 1810
Genus Bealia Scribner in Scribner & Southworth, 1890
Genus Beckera Fresenius, 1837 accepted as Snowdenia Hubbard, 1929
Genus Beckeria Bernhardi, 1800 accepted as Melica Linnaeus, 1753
Genus Beckeropsis Figari & De Notaris, 1853 accepted as Pennisetum L.C. Richard in Persoon, 1805
Genus Beckmannia Host, 1805
Genus Beesha Kunth, 1822 accepted as Melocanna Trinius in K.P.J. Sprengel, 1820
Genus Beesha Munro, 1868 accepted as Ochlandra Thwaites, 1864
Genus Bellardiochloa Chiovenda, 1929
Genus Bennetia Rafinesque, 1830 accepted as Sporobolus R. Brown, 1810
Genus Berchtoldia J.S. Presl in K.B. Presl, 1830 accepted as Chaetium C.G.D. Nees in C.F.P. Martius, 1829
Genus Bergbambos C.M.A. Stapleton, 2013
Genus Berghausia Endlicher, 1843 accepted as Garnotia A.T. Brongniart in Duperrey, 1832
Genus Berriochloa M.K. Elias, 1932 †
Genus Bewsia Goossens, 1941
Genus Bhidea Stapf ex Bor, 1949
Genus Biatherium Desvaux, 1831 accepted as Gymnopogon Palisot de Beauvois, 1812
Genus Bifaria (Hackel) O. Kuntze, 1898 accepted as Mesosetum Steudel, 1854
Genus Blakeochloa J.F. Veldkamp, 1981 accepted as Plinthanthesis Steudel, 1853
Genus Blepharidachne Hackel in Engler & Prantl, 1887
Genus Blepharochloa Endlicher, 1840 accepted as Leersia O. Swartz, 1788
Genus Blepharoneuron Nash, 1898
Genus Bluffia C.G.D. Nees in J.G.C. Lehmann, 1834 accepted as Alloteropsis J.S. Presl in K.B. Presl, 1830
Genus Blumenbachia G.L. Koeler, 1802 accepted as Sorghum Moench, 1794
Genus Blyttia E.M. Fries, 1839 accepted as Cinna Linnaeus, 1753
Genus Boissiera Hochstetter ex Steudel, 1840
Genus Boivinella A. Camus, 1925 accepted as Cyphochlaena Hackel, 1901
Genus Boldrinia L.N. da Silva in da Silva et al., 2021
Genus Bonia Balansa, 1890
Genus Borinda C.M.A. Stapleton, 1994
Genus Boriskellera A. Terechov, 1938 accepted as Eragrostis N.M. Wolf, 1776
Genus Botelua Lagasca, 1805 accepted as Bouteloua Lagasca, 1805
Genus Botelua Hornemann ex Palisot de Beauvois, 1812
Genus Bothriochloa O. Kuntze, 1891
Genus Bouteloua Hornemann ex Palisot de Beauvois, 1812
Genus Bouteloua Lagasca, 1805
Genus Brachatera Desvaux, 1810 accepted as Danthonia A.P. de Candolle in Lamarck & A.P. de Candolle, 1805
Genus Brachiaria (Trinius) Grisebach in Ledebour, 1853
Genus Brachyachne (Bentham) Stapf, 1922
Genus Brachyathera C.E.O. Kuntze, 1903 accepted as Danthonia A.P. de Candolle in Lamarck & A.P. de Candolle, 1805
Genus Brachychloa S.M. Phillips, 1982
Genus Brachyelytrum Palisot de Beauvois, 1812
Genus Brachypodium Palisot de Beauvois, 1812
Genus Brachystachyum Y.L. Keng, 1940
Genus Brachystylus Dulac, 1867 accepted as Koeleria Persoon, 1805
Genus Braconotia Godron, 1844 accepted as Elymus Linnaeus, 1753
Genus Bracteola Swallen, 1933 accepted as Chrysochloa Swallen, 1941
Genus Brandtia Kunth, 1831 accepted as Arundinella Raddi, 1823
Genus Brasilocalamus Nakai, 1933 accepted as Merostachys K.P.J. Sprengel, 1824
Genus Brasilochloa R.P. Oliveira & L.G. Clark in Oliveira et al., 2019
Genus Brevipodium Á. Löve & D. Löve, 1961 accepted as Brachypodium Palisot de Beauvois, 1812
Genus Briza Linnaeus, 1753
Genus Brizochloa V. Jirásek & J. Chrtek, 1966 accepted as Briza Linnaeus, 1753
Genus Brizopyrum Link, 1827 accepted as Desmazeria Dumortier, 1822
Genus Brizopyrum O. Stapf, 1898 accepted as Tribolium Desvaux, 1831
Genus Brizopyrum J.S. Presl, 1830 accepted as Distichlis Rafinesque, 1819
Genus Bromelica (Thurber) Farwell, 1919 accepted as Melica Linnaeus, 1753
Genus Bromidium C.G.D. Nees & F.J.F. Meyen in F.J.F. Meyen, 1843 accepted as Agrostis Linnaeus, 1753
Genus Bromofestuca I. Prodan, 1936
Genus Bromopsis (Dumortier) Fourreau, 1869 accepted as Bromus Linnaeus, 1753
Genus Bromuniola Stapf & C.E. Hubbard, 1926
Genus Bromus Linnaeus, 1753
Genus Bromus J.A. Scopoli, 1777 accepted as Triticum Linnaeus, 1753
Genus Brousemicha Balansa, 1890 accepted as Brousemichea Balansa, 1890
Genus Brousemichea Balansa, 1890 accepted as Zoysia Willdenow, 1801
Genus Bruchmannia T. Nuttall, 1818 accepted as Beckmannia Host, 1805
Genus Brylkinia F. Schmidt, 1868
Genus Bucetum Parnell, 1872 accepted as Festuca Linnaeus, 1753
Genus Buchloe Engelmann, 1859 accepted as Bouteloua Lagasca, 1805
Genus Buchloë Engelmann, 1859 represented as Buchloe Engelmann, 1859
Genus Buchlomimus J.R. Reeder, C.G. Reeder & Rzedowski, 1965 accepted as Bouteloua Lagasca, 1805
Genus Buergersiochloa Pilger, 1914
Genus Bulbilis C.S. Rafinesque ex Kuntze, 1891 accepted as Bouteloua Lagasca, 1805
Genus Bulbulus J.R. Swallen, 1964 accepted as Rehia F. Fijten, 1975
Genus Burmabambus P.C. Keng, 1982 accepted as Yushania P.C. Keng, 1957
Genus Butania P.C. Keng, 1982 accepted as Yushania P.C. Keng, 1957
Genus Cabrera Lagasca, 1816 accepted as Axonopus Palisot de Beauvois, 1812
Genus Calamagrostis Adanson, 1763
Genus Calamina Palisot de Beauvois, 1812 accepted as Apluda Linnaeus, 1753
Genus Calammophila A. Brand in W.D.J. Koch, 1907
Genus Calamochloa E.P.N. Fournier, 1877 accepted as Sohnsia Airy Shaw, 1965
Genus Calamochloe H.G.L. Reichenbach, 1828 accepted as Arundinella Raddi, 1823
Genus Calamochloë H.G.L. Reichenbach, 1829 represented as Calamochloe H.G.L. Reichenbach, 1828
Genus Calamophila O. Schwarz, 1949 accepted as Calammophila A. Brand in W.D.J. Koch, 1907
Genus Calamovilfa (A. Gray) Hackel in Scribner & Southworth, 1890
Genus Calamtrisetum B.S. Charitontcev, 2011
Genus Calanthera Kunth (?) ex W.J. Hooker, 1856 accepted as Bouteloua Lagasca, 1805
Genus Calderonella T.R. Soderstrom & H.F. Decker, 1974 accepted as Zeugites P. Browne, 1756
Genus Callichloe Willd. ex E.G. von Steudel accepted as Elionurus F.W.H.A. von Humboldt & A.J.A. Bonpland ex C.L. von Willdenow, 1806
Genus Callichloea C.P.J. Sprengel ex E.G. von Steudel, 1840 accepted as Elionurus F.W.H.A. von Humboldt & A.J.A. Bonpland ex C.L. von Willdenow, 1806
Genus Calochloa G. Kunze accepted as Elionurus F.W.H.A. von Humboldt & A.J.A. Bonpland ex C.L. von Willdenow, 1806
Genus Calosteca Desvaux, 1810 accepted as Briza Linnaeus, 1753
Genus Calotheca Desvaux, 1810
Genus Calotheca Sprengel, 1817 accepted as Aeluropus Trinius, 1822
Genus Calotheria R. Wight & G.A.W. Arnott ex E.G. von Steudel, 1854 accepted as Enneapogon Desvaux ex Palisot de Beauvois, 1812
Genus Calycodon Nuttall, 1848 accepted as Muhlenbergia Schreber, 1789
Genus Calyptochloa C.E. Hubbard, 1933
Genus Cambajuva P.L. Viana, L.G. Clark & T.S. Filgueiras, 2013
Genus Campeiostachys Drobov, 1941 accepted as Elymus Linnaeus, 1753
Genus Campelia K.S. Kunth, 1833 accepted as Deschampsia Palisot de Beauvois, 1812
Genus Campella Link, 1827 accepted as Deschampsia Palisot de Beauvois, 1812
Genus Campeyilia A.N. Sennikov, 2021
Genus Campuloa N.A. Desvaux, 1813 accepted as Ctenium Panzer, 1813
Genus Campulosus Desvaux, 1810 accepted as Ctenium Panzer, 1813
Genus Camusia Lorch, 1961 accepted as Acrachne R. Wight & Arnott ex Chiovenda, 1907
Genus Camusiella J. Bosser, 1966 accepted as Setaria Palisot de Beauvois, 1812
Genus Camussiella J. Bosser, 1966 accepted as Camusiella J. Bosser, 1966
Genus Canastra O. Morrone, F.O. Zuloaga, G. Davidse & T.S. Filgueiras, 2001
Genus Candollea E.G. von Steudel, 1840 accepted as Agrostis Linnaeus, 1753
Genus Capeochloa H.P. Linder & N.P. Barker, 2010
Genus Capillipedium Stapf in D. Prain, 1917
Genus Capriola Adanson, 1763 accepted as Cynodon L.C.M. Richard, 1805
Genus Caryochloa Trinius, 1826 accepted as Luziola A.L. Jussieu, 1789
Genus Caryochloa K.P.J. Sprengel, 1827 accepted as Piptochaetium J.S. Presl in K.B. Presl, 1830
Genus Caryophyllea P.M. Opiz, 1852 accepted as Aira Linnaeus, 1753
Genus Casiostega Ruprecht ex H.G. Galeotti, 1842 accepted as Bouteloua Lagasca, 1805
Genus Castellia Tineo, 1846
Genus Catabrosa Palisot de Beauvois, 1812
Genus Catabrosella (Tzvelev) Tzvelev in Tzvelev & Bolkhovskikh, 1965
Genus Catalepis Stapf & Stent, 1929
Genus Catanellia L.J. Gillespie & R.J. Soreng in Soreng et al., 2021
Genus Catapodium Link, 1827
Genus Catatherophora Steudel, 1829 accepted as Pennisetum L.C. Richard in Persoon, 1805
Genus Cathariostachys S. Dransfield, 1998
Genus Cathestecum J.S. Presl in K.B. Presl, 1830 accepted as Bouteloua Lagasca, 1805
Genus Catopodium Link, 1827
Genus Celtica F.M. Vázquez & M.E. Barkworth, 2004
Genus Cenchropsis Nash in J.K. Small, 1903 accepted as Cenchrus Linnaeus, 1753
Genus Cenchrus Linnaeus, 1753
Genus Centosteca Desvaux, 1810 accepted as Centotheca Desvaux, 1810
Genus Centotheca Desvaux, 1810
Genus Centrochloa Swallen, 1935
Genus Centrophorum Trinius, 1820 accepted as Chrysopogon Trinius, 1820
Genus Centropodia (R. Brown) H.G.L. Reichenbach, 1829
Genus Cephalochloa E.S.-C. Cosson & M.C. Durieu de Maisonneuve, 1854 accepted as Ammochloa Boissier, 1854
Genus Cephalostachyum Munro, 1868
Genus Ceratochaete Lunell, 1915 accepted as Zizania Linnaeus, 1753
Genus Ceratochloa A.P. de Candolle & Palisot de Beauvois in Palisot de Beauvois, 1812 accepted as Bromus Linnaeus, 1753
Genus Cerea D.F.L. von Schlechtendal accepted as Paspalum Linnaeus, 1759
Genus Cerea L.M.A. du P. Thouars, 1805 accepted as Elaeocarpus Linnaeus, 1753
Genus Ceresia Persoon, 1805 accepted as Paspalum Linnaeus, 1759
Genus Ceytosis W. Munro, 1862 accepted as Crypsis W. Aiton, 1789
Genus Chaboissaea E.P.N. Fournier, 1886
Genus Chaetaria Palisot de Beauvois, 1812 accepted as Aristida Linnaeus, 1753
Genus Chaetium C.G.D. Nees in C.F.P. Martius, 1829
Genus Chaetobromus C.G.D. Nees in J. Lindley, 1836
Genus Chaetochloa Scribner, 1897 accepted as Setaria Palisot de Beauvois, 1812
Genus Chaetopoa C.E. Hubbard, 1967
Genus Chaetopogon Janchen, 1913
Genus Chaetostichium C. E Hubbard, 1937 accepted as Oropetium Trinius, 1820
Genus Chaetotropis Kunth, 1829 accepted as Polypogon Desfontaines, 1798
Genus Chaeturus Link, 1800 accepted as Chaetopogon Janchen, 1913
Genus Chalcoelytrum Lunell, 1915 accepted as Chrysopogon Trinius, 1820
Genus Chalynochlamys A.R. Franchet accepted as Arundinella Raddi, 1823
Genus Chamaecalamus F.J.F. Meyen, 1834 accepted as Calamagrostis Adanson, 1763
Genus Chamaedactylis T.F.L. Nees, 1840 accepted as Aeluropus Trinius, 1822
Genus Chamaeraphis R. Brown, 1810
Genus Chamagrostis Borkhausen in Wibel, 1799 accepted as Mibora Adanson, 1763
Genus Chandrasekharania V.J. Nair, V.S. Ramachandran & P.V. Sreekumar, 1982
Genus Chascolytrum Desvaux, 1810
Genus Chasea J.A. Nieuwland, 1911 accepted as Panicum Linnaeus, 1753
Genus Chasechloa A. Camus, 1949 accepted as Echinolaena Desvaux, 1813
Genus Chasmanthium Link, 1827
Genus Chasmopodium Stapf in D. Prain, 1917
Genus Chauvinia Steudel, 1854 accepted as Spartina Schreber, 1789
Genus Chennapyrum Á. Löve, 1982 accepted as Aegilops Linnaeus, 1753
Genus Chevalierella A. Camus, 1933
Genus Chikusichloa Koidzumi, 1925
Genus Chilochloa Palisot de Beauvois, 1812 accepted as Phleum Linnaeus, 1753
Genus Chimaerochloa H.P. Linder, 2010
Genus Chimonobambusa Makino, 1914
Genus Chimonocalamus J.R. Xue & T.P. Yi, 1979
Genus Chionachne R. Brown in J.J. Bennett & R. Brown, 1838
Genus Chionochloa Zotov, 1963
Genus Chloachne Stapf, 1916 accepted as Poecilostachys Hackel, 1884
Genus Chloammia Rafinesque, 1825 accepted as Vulpia C.C. Gmelin, 1805
Genus Chloothamnus L.H. Buse, 1854 accepted as Nastus A.L. Jussieu, 1789
Genus Chloridion Stapf, 1900 accepted as Stereochlaena Hackel, 1908
Genus Chloridiopsis J. Gay ex F.L. Scribner accepted as Trichloris E. Fournier ex Bentham, 1881
Genus Chloridopsis E. Hackel, 1887 accepted as Trichloris E. Fournier ex Bentham, 1881
Genus Chloris O. Swartz, 1788
Genus Chlorocalymma W.D. Clayton, 1970
Genus Chloroides F.E.L. von Fischer ex E.A. von Regel, 1863 accepted as Eustachys Desvaux, 1810
Genus Chloropsis Hackel ex O. Kuntze, 1891 accepted as Trichloris E. Fournier ex Bentham, 1881
Genus Chlorostis Rafinesque, 1814 accepted as Chloris O. Swartz, 1788
Genus Chondrachyrum C.G.D. Nees in J. Lindley, 1836 accepted as Briza Linnaeus, 1753
Genus Chondrochlaena C.E.O. Kuntze accepted as Pentameris Palisot de Beauvois, 1812
Genus Chondrolaena C.G.D. Nees, 1841 accepted as Pentameris Palisot de Beauvois, 1812
Genus Chondrosum Desvaux, 1810 accepted as Bouteloua Lagasca, 1805
Genus Chretomeris T. Nuttall ex J.G. Smith, 1899 accepted as Elymus Linnaeus, 1753
Genus Chrysochloa Swallen, 1941
Genus Chrysopogon Trinius, 1820
Genus Chrysurus Persoon, 1805 accepted as Lamarckia C. Moench, 1794
Genus Chumsriella N.L. Bor, 1968 accepted as Germainia Balansa & Poitrasson, 1873
Genus Chusquea Kunth, 1822
Genus Cinna Linnaeus, 1753
Genus Cinnagrostis Grisebach, 1874 accepted as Calamagrostis Adanson, 1763
Genus Cinnastrum E.P.N. Fournier, 1886 accepted as Cinna Linnaeus, 1753
Genus Cladoraphis A.R. Franchet, 1887
Genus Claudia Opiz, 1853 accepted as Melica Linnaeus, 1753
Genus Clausospicula M. Lazarides, 1991
Genus Clavinodum T.H. Wen, 1984 accepted as Arundinaria A. Michaux, 1803
Genus Cleachne D. Rolander ex E.G. von Steudel, 1840 accepted as Paspalum Linnaeus, 1759
Genus Cleistachne Bentham, 1882
Genus Cleistochloa C.E. Hubbard, 1933
Genus Cleistogenes Y.L. Keng, 1934 accepted as Kengia J.G. Packer, 1960
Genus Cleomena J.J. Roemer & J.A. Schultes, 1817 accepted as Muhlenbergia Schreber, 1789
Genus Cliffordiochloa B.K. Simon, 1992
Genus Clinelymus (Grisebach) Nevski, 1932 accepted as Elymus Linnaeus, 1753
Genus Clomena Palisot de Beauvois, 1812 accepted as Muhlenbergia Schreber, 1789
Genus Cnidochloa F.O. Zuloaga, 2020
Genus Cochinchinochloa H.N. Nguyen & V.T. Tran, 2013
Genus Cockaynea Zotov, 1943 accepted as Elymus Linnaeus, 1753
Genus Codonachne R. Wight & G.A.W. Arnott ex E.G. von Steudel, 1854 accepted as Tetrapogon Desfontaines, 1799
Genus Coelachne R. Brown, 1810
Genus Coelachyropsis N.L. Bor, 1971 accepted as Coelachyrum Hochstetter & C.G.D. Nees, 1842
Genus Coelachyrum Hochstetter & C.G.D. Nees, 1842
Genus Coelarthron J.D. Hooker, 1896 accepted as Microstegium C.G.D. Nees in J. Lindley, 1836
Genus Coelochloa C.F.F. Hochstetter ex E.G. von Steudel, 1854 accepted as Coelachyrum Hochstetter & C.G.D. Nees, 1842
Genus Coelorachis A.T. Brongniart in Duperrey, 1831 accepted as Mnesithea Kunth, 1829
Genus Coix Linnaeus, 1753
Genus Colanthelia F.A. McClure & E.W. Smith in F.A. McClure, 1973
Genus Coleanthus W.B. Seidl in J.J. Roemer & J.A. Schultes, 1817
Genus Coleataenia Grisebach, 1879
Genus Coliquea Steudel ex Bibra, 1853 accepted as Chusquea Kunth, 1822
Genus Colladoa Cavanilles, 1799 accepted as Ischaemum Linnaeus, 1753
Genus Colobachne Palisot de Beauvois, 1812 accepted as Alopecurus Linnaeus, 1753
Genus Colobanthium H.G.L. Reichenbach, 1841 accepted as Avellinia Parlatore, 1842
Genus Colobanthus (Trinius) Spach, 1846 accepted as Sphenopholis Lamson-Scribner, 1906
Genus Colpodium Trinius, 1822
Genus Commelinidium Stapf in D. Prain, 1920 accepted as Acroceras Stapf in D. Prain, 1920
Genus Comopyrum (Jaubert & Spach) Á. Löve, 1982 accepted as Aegilops Linnaeus, 1753
Genus Condilorachia P.M. Peterson, K. Romaschenko & R.J. Soreng in Peterson et al., 2021
Genus Connorochloa M.E. Barkworth, S.W.L. Jacobs & H.Q. Zhang, 2009
Genus Corethrum M. Vahl, 1810
Genus Coridochloa C.G.D. Nees in R. Wight & Arnott, 1833 accepted as Alloteropsis J.S. Presl in K.B. Presl, 1830
Genus Cornucopiae Linnaeus, 1753
Genus Cortaderia O. Stapf, 1897
Genus Corycarpus F.A. Zea ex C.P.J. Sprengel, 1824 accepted as Diarrhena Palisot de Beauvois, 1812
Genus Corynephorus Palisot de Beauvois, 1812
Genus Costia Willkomm, 1860 accepted as Agropyron J. Gaertner, 1770
Genus Costia Willkomm, 1858
Genus Cottea Kunth, 1829
Genus Craepalia Schrank, 1789 accepted as Lolium Linnaeus, 1753
Genus Craspedorhachis Bentham, 1882
Genus Crassipes Swallen, 1931 accepted as Sclerochloa Palisot de Beauvois, 1812
Genus Cremopyrum P.J.F. Schur, 1866 accepted as Eremopyrum (Ledebour) Jaubert & Spach, 1851
Genus Criciuma T.R. Soderstrom & X. Londoño, 1987
Genus Crinipes Hochstetter, 1855
Genus Critesion Rafinesque, 1819 accepted as Hordeum Linnaeus, 1753
Genus Critho E.H.F. Meyer, 1848 accepted as Hordeum Linnaeus, 1753
Genus Crithodium Link, 1834 accepted as Triticum Linnaeus, 1753
Genus Crithopsis Jaubert & Spach, 1851
Genus Crithopyrum Hort. Prag. ex E.G. von Steudel, 1854 accepted as Elymus Linnaeus, 1753
Genus Crossotropis Stapf in Thiselton-Dyer, 1898 accepted as Trichoneura N.J. Andersson, 1855
Genus Cryochloa (L.M. Kreczetowicz) N.N. Tzvelev in Tzvelev & Probatova, 2013 accepted as Puccinellia Parlatore, 1848
Genus Crypsinna E.P.N. Fournier, 1886 accepted as Muhlenbergia Schreber, 1789
Genus Crypsis W. Aiton, 1789
Genus Cryptachne E.J. Thompson, 2022
Genus Cryptochloa Swallen, 1942
Genus Cryptochloris Bentham, 1882 accepted as Tetrapogon Desfontaines, 1799
Genus Cryptopyrum G. Heynhold, 1846 accepted as Elymus Linnaeus, 1753
Genus Cryptostachys E.G. von Steudel, 1850 accepted as Sporobolus R. Brown, 1810
Genus Crypturus Link, 1844 accepted as Lolium Linnaeus, 1753
Genus Ctenium Panzer, 1813
Genus Ctenopsis De Notaris, 1947-1848
Genus Curtopogon Palisot de Beauvois, 1812 accepted as Aristida Linnaeus, 1753
Genus Cutandia Willkomm, 1860
Genus Cuviera G.L. Koeler, 1802 accepted as Hordelymus (Jessen) Harz, 1885
Genus Cyathopus Stapf, 1895
Genus Cyathorhachis C.G.D. Nees ex Steudel, 1854
Genus Cyclostachya J.R. Reeder & C.G. Reeder, 1963 accepted as Bouteloua Lagasca, 1805
Genus Cycloteria O. Stapf, 1931 accepted as Mnesithea Kunth, 1829
Genus Cylichnium J. Dulac, 1867 accepted as Gaudinia Palisot de Beauvois, 1812
Genus Cylindropyrum (Jaubert & Spach) Á. Löve, 1982 accepted as Aegilops Linnaeus, 1753
Genus Cymatochloa D.F.L. Schlechtendal, 1854 accepted as Paspalum Linnaeus, 1759
Genus Cymbachne A.J. Retzius, 1791
Genus Cymbanthelia N.J. Andersson, 1856 accepted as Cymbopogon K.P.J. Sprengel, 1815
Genus Cymbopogon K.P.J. Sprengel, 1815
Genus Cymbosetaria Schweickerdt, 1936 accepted as Setaria Palisot de Beauvois, 1812
Genus Cynochloris H.T. Clifford & S.L. Everist, 1964
Genus Cynodon L.C.M. Richard, 1805
Genus Cynosurus Linnaeus, 1753
Genus Cyperochloa M. Lazarides & L. Watson, 1987
Genus Cyphochlaena Hackel, 1901
Genus Cypholepis Chiovenda in P.R. Pirotta, 1908 accepted as Coelachyrum Hochstetter & C.G.D. Nees, 1842
Genus Cyphonanthus F.O. Zuloaga & O. Morrone in O. Morrone, M.A. Scataglini & F.O. Zuloaga, 2007 accepted as Panicum Linnaeus, 1753
Genus Cyrenea F. Allamand, 1770
Genus Cyrtochloa S. Dransfield, 1998
Genus Cyrtococcum Stapf in D. Prain, 1917
Genus Cyrtopogon C.P.J. Sprengel, 1824 accepted as Aristida Linnaeus, 1753
Genus Czerniaevia N.S. Turczaninow ex C.F. von Ledebour, 1852 accepted as Deschampsia Palisot de Beauvois, 1812
Genus Czernya K.B. Presl, 1820 accepted as Phragmites Adanson, 1763
Genus Dactilon Villars, 1787 accepted as Cynodon L.C.M. Richard, 1805
Genus Dactylis Linnaeus, 1753
Genus Dactyloctenium Willdenow, 1809
Genus Dactylodes O. Kuntze, 1891 accepted as Tripsacum Linnaeus, 1759
Genus Dactylogramma Link, 1833 accepted as Muhlenbergia Schreber, 1789
Genus Dactylus P.F. Ascherson, 1864 accepted as Cynodon L.C.M. Richard, 1805
Genus Daknopholis W.D. Clayton, 1967
Genus Dallwatsonia B.K. Simon, 1992
Genus Dalucum Adanson, 1763 accepted as Melica Linnaeus, 1753
Genus Dalukon Adanson, 1763
Genus Danthonia A.P. de Candolle in Lamarck & A.P. de Candolle, 1805
Genus Danthoniastrum (J. Holub) J. Holub, 1970 accepted as Metcalfia Conert, 1960
Genus Danthonidium C.E. Hubbard, 1937
Genus Danthoniopsis Stapf, 1916
Genus Danthorhiza M. Tenore, 1811-1815 accepted as Helictotrichon Besser in J.A. Schultes & J.H. Schultes, 1827
Genus Danthosieglingia Domin, 1935
Genus Dasiola Rafinesque, 1825 accepted as Vulpia C.C. Gmelin, 1805
Genus Dasyochloa C.L. Willdenow ex P.A. Rydberg, 1906
Genus Dasypoa Pilger, 1898 accepted as Poa Linnaeus, 1753
Genus Dasypyrum (Cosson & Durieu) T. Durand, 1888
Genus Davidsea T.R. Soderstrom & R.P. Ellis, 1988
Genus Davyella E. Hackel, 1899 accepted as Neostapfia Burtt Davy, 1899
Genus Decandolia Bastard, 1809 accepted as Agrostis Linnaeus, 1753
Genus Decaryella A. Camus, 1931
Genus Decaryochloa A. Camus, 1946
Genus Deina Alefeld, 1866 accepted as Triticum Linnaeus, 1753
Genus Demazeria Dumortier, 1822 accepted as Desmazeria Dumortier, 1822
Genus Dendragrostis C.G.D. Nees von Esenbeck, 1835 accepted as Chusquea Kunth, 1822
Genus Dendrocalamopsis (L.C. Chia & H.L. Fung) P.C. Keng, 1983 accepted as Bambusa Schreber, 1789
Genus Dendrocalamus C.G.D. Nees, 1835
Genus Dendrochloa C.E. Parkinson, 1933 accepted as Schizostachyum C.G.D. Nees, 1829
Genus Deschampsia Palisot de Beauvois, 1812
Genus Desmazeria Dumortier, 1822
Genus Desmostachya (Stapf) Stapf in Thiselton-Dyer, 1898
Genus Despretzia Kunth, 1831 accepted as Zeugites P. Browne, 1756
Genus Devauxia A.M.F.J. Palisot de Beauvois ex K.S. Kunth, 1833 accepted as Glyceria R. Brown, 1810
Genus Deyeuxia Clarion ex Palisot de Beauvois, 1812 accepted as Calamagrostis Adanson, 1763
Genus Diachroa Nuttall, 1835 accepted as Leptochloa Palisot de Beauvois, 1812
Genus Diachyrium Grisebach, 1874 accepted as Sporobolus R. Brown, 1810
Genus Diacisperma C.E.O. Kuntze, 1903 accepted as Leptochloa Palisot de Beauvois, 1812
Genus Diandranthus L. Liou, 1997 accepted as Miscanthus N.J. Andersson, 1855
Genus Diandrochloa B. de Winter, 1960 accepted as Eragrostis N.M. Wolf, 1776
Genus Diandrolyra Stapf, 1906
Genus Diandrostachya (C.E. Hubbard) H. Jacques-Félix, 1960 accepted as Loudetiopsis H.J. Conert, 1957
Genus Diarina Rafinesque, 1819 accepted as Diarrhena Palisot de Beauvois, 1812
Genus Diarrhena Palisot de Beauvois, 1812
Genus Diastemanthe Steudel, 1854 accepted as Stenotaphrum Trinius, 1822
Genus Diastemenanthe N.A. Desvaux accepted as Stenotaphrum Trinius, 1822
Genus Dichaetaria C.G.D. Nees ex Steudel, 1854
Genus Dichanthelium (Hitchcock & Chase) F.W. Gould, 1974
Genus Dichanthium Willemet, 1796
Genus Dichelachne Endlicher, 1833
Genus Dichromus D.F.L. von Schlechtendal, 1852 accepted as Paspalum Linnaeus, 1759
Genus Dictyochloa (Murbeck) E.G. Camus, 1901 (?) accepted as Ammochloa Boissier, 1854
Genus Didactylon Moritzi, 1845-1846 accepted as Dimeria R. Brown, 1810
Genus Didymochaeta Steudel, 1854 accepted as Agrostis Linnaeus, 1753
Genus Didymogonyx (L.G. Clark & X. Londoño) C.D. Tyrrell, L.G. Clark & X. Londoño, 2012
Genus Diectomis Kunth, 1815 accepted as Andropogon Linnaeus, 1753
Genus Diectomis Palisot de Beauvois, 1812 accepted as Anadelphia Hackel, 1885
Genus Dielsiochloa Pilger, 1943 accepted as Festuca Linnaeus, 1753
Genus Digastrium (Hackel) A. Camus, 1921
Genus Digitaria A. Haller, 1768
Genus Digitaria Heister ex Fabricius, 1759 accepted as Paspalum Linnaeus, 1759
Genus Digitaria Adanson, 1763 accepted as Tripsacum Linnaeus, 1759
Genus Digitariella De Winter, 1961 accepted as Digitaria A. Haller, 1768
Genus Digitariopsis C.E. Hubbard, 1940 accepted as Digitaria A. Haller, 1768
Genus Dignathia Stapf, 1911
Genus Digraphis Trinius, 1820 accepted as Phalaris Linnaeus, 1753
Genus Diheteropogon (Hackel) Stapf, 1922
Genus Dilepyrum Rafinesque, 1808 accepted as Oryzopsis A. Michaux, 1803
Genus Dilepyrum A. Michaux, 1803 accepted as Muhlenbergia Schreber, 1789
Genus Dileucaden (C.S. Rafinesque) E.G. von Steudel, 1841 accepted as Panicum Linnaeus, 1753
Genus Dilophotriche (C.E. Hubbard) H. Jacques-Félix, 1960
Genus Dimeiostemon Rafinesque, 1825 accepted as Andropogon Linnaeus, 1753
Genus Dimeria R. Brown, 1810
Genus Dimesia Rafinesque, 1817 accepted as Anthoxanthum Linnaeus, 1753
Genus Dimorphochloa S.T. Blake, 1941 accepted as Cleistochloa C.E. Hubbard, 1933
Genus Dimorphostachys E.P.N. Fournier, 1875 accepted as Paspalum Linnaeus, 1759
Genus Dimorpostachys accepted as Paspalum Linnaeus, 1759
Genus Dineba Delile ex Palisot de Beauvois, 1812
Genus Dinebra N.J. Jacquin, 1809
Genus Dinochloa L.H. Buse, 1854
Genus Diperium Desvaux, 1831 accepted as Mnesithea Kunth, 1829
Genus Diplachne Palisot de Beauvois, 1812 accepted as Leptochloa Palisot de Beauvois, 1812
Genus Diplachyrium C.G.D. Nees, 1828
Genus Diplasanthum Desvaux, 1831 accepted as Dichanthium Willemet, 1796
Genus Diplax Solander ex J.J. Bennett in J.J. Bennett & R. Brown, 1838 accepted as Ehrharta Thunberg, 1779
Genus Diplocea Rafinesque, 1818 accepted as Triplasis Palisot de Beauvois, 1812
Genus Diplogon J.L.M. Poiret accepted as Diplopogon R. Brown, 1810
Genus Diplopogon R. Brown, 1810
Genus Dipogon C.L. von Willdenow ex E.G. von Steudel, 1840 accepted as Sorghastrum Nash in N.L. Britton, 1901
Genus Dipogonia Palisot de Beauvois, 1812 accepted as Diplopogon R. Brown, 1810
Genus Diptychum Dulac, 1867 accepted as Sesleria Scopoli, 1760
Genus Disakisperma Steudel, 1854 accepted as Leptochloa Palisot de Beauvois, 1812
Genus Disarrenum Labillardière, 1807 accepted as Anthoxanthum Linnaeus, 1753
Genus Dissanthelium Trinius, 1836
Genus Dissochondrus (Hillebrand) O. Kuntze, 1891
Genus Distichlis Rafinesque, 1819
Genus Distomischus Dulac, 1867 accepted as Distomomischus Dulac, 1867
Genus Distomomischus Dulac, 1867 accepted as Vulpia C.C. Gmelin, 1805
Genus Doellochloa O. Kuntze, 1891 accepted as Gymnopogon Palisot de Beauvois, 1812
Genus Dolichochaete (C.E. Hubbard) Phipps, 1964 accepted as Tristachya C.G.D. Nees, 1829
Genus Donacium E.M. Fries, 1843 accepted as Arundo Linnaeus, 1753
Genus Donax Palisot de Beauvois, 1812 accepted as Arundo Linnaeus, 1753
Genus Douglasdeweya C. Yen, J.L. Yang & B.R. Baum, 2005
Genus Drakebrockmania Stapf, 1912 accepted as Drake-Brockmania Stapf, 1912
Genus Drake-Brockmania Stapf, 1912
Genus Dregeochloa Conert, 1966
Genus Drepanostachyum P.C. Keng, 1983
Genus Drymochloa J. Holub, 1984 accepted as Festuca Linnaeus, 1753
Genus Drymonaetes J.P. Fourreau, 1869 accepted as Festuca Linnaeus, 1753
Genus Drymonaetes J.F. Ehrhart, 1789 accepted as Festuca Linnaeus, 1753
Genus Dryopoa Vickery, 1963
Genus Duarctopoa R.J. Soreng & L.J. Gillespie, 2008 accepted as Dupoa J. Cayouette & S.J. Darbyshire, 1993
Genus Dupoa J. Cayouette & S.J. Darbyshire, 1993
Genus Dupontia R. Brown, 1823
Genus Dupontiopsis R.J. Soreng, L.J. Gillespie & H. Koba, 2015
Genus Dupontopoa N.S. Probatova in N.S. Probatova & B.A. Yurtzev, 1984
Genus Duthiea Hackel, 1896
Genus Dybowskia Stapf in D. Prain, 1919 accepted as Hyparrhenia Andersson ex Fournier, 1886
Genus Eatonia Rafinesque, 1819 accepted as Panicum Linnaeus, 1753
Genus Eccoilopus Steudel, 1854 accepted as Spodiopogon Trinius, 1820
Genus Eccoptocarpha Launert, 1965
Genus Echinalysium Trinius, 1820 accepted as Elytrophorus Palisot de Beauvois, 1812
Genus Echinanthus V. Cervantes, 1870 accepted as Tragus A. Haller, 1768
Genus Echinaria Desfontaines, 1799
Genus Echinaria Heister ex Fabricius, 1759 accepted as Cenchrus Linnaeus, 1753
Genus Echinochlaena C.P.J. Sprengel, 1830 accepted as Echinolaena Desvaux, 1813
Genus Echinochloa Palisot de Beauvois, 1812
Genus Echinolaena Desvaux, 1813
Genus Echinopogon Palisot de Beauvois, 1812
Genus Ectosperma Swallen, 1950 accepted as Swallenia Soderstrom & H.F. Decker, 1963
Genus Ectrosia R. Brown, 1810
Genus Ectrosiopsis (J. Ohwi) P. Jansen, 1952 accepted as Ectrosia R. Brown, 1810
Genus Ehrharta Thunberg, 1779
Genus Ehrhartia Wiggers, 1780 accepted as Leersia O. Swartz, 1788
Genus Ekmanochloa Hitchcock, 1936
Genus Electra Panzer, 1813 accepted as Schismus Palisot de Beauvois, 1812
Genus Eleusine J. Gaertner, 1788
Genus Elionurus F.W.H.A. von Humboldt & A.J.A. Bonpland ex C.L. von Willdenow, 1806
Genus Ellisochloa P.M. Peterson & N.P. Barker, 2011
Genus Elsjeara M.H.J. van der Meer, 2019
Genus Elyhordeum Mansfeld ex N.V. Zizin & K.A. Petrowa, 1955
Genus Elyleymus B.R. Baum, 1979
Genus Elymandra Stapf in D. Prain, 1919
Genus Elymopyrum Ciferri & Giacomini, 1950
Genus Elymordeum E. Lepage, 1957 accepted as Elyhordeum Mansfeld ex N.V. Zizin & K.A. Petrowa, 1955
Genus Elymostachys N.N. Tzvelev, 1972
Genus Elymotrigia Hylander, 1953
Genus Elymotriticum P. Fournier, 1935
Genus Elymus J. Mitchell, 1769
Genus Elymus Linnaeus, 1753
Genus Elyonurus Humboldt & Bonpland ex Willdenow, 1806 accepted as Elionurus F.W.H.A. von Humboldt & A.J.A. Bonpland ex C.L. von Willdenow, 1806
Genus Elypyrum A.N. Sennikov, 2021 accepted as Thinoelymus E. Banfi, 2018
Genus Elysitanion W.M. Bowden, 1967 accepted as Elymus Linnaeus, 1753
Genus Elytesion M.E. Barkworth & D.R. Dewey, 1985
Genus Elytricum
Genus Elytrigia Desvaux, 1810
Genus Elytriticale
Genus Elytritilops
Genus Elytroblepharum (E.G. von Steudel) D.F.L. von Schlechtendal, 1855 accepted as Digitaria A. Haller, 1768
Genus Elytrophorus Palisot de Beauvois, 1812
Genus Elytrordeum Hylander, 1953
Genus Elytrostachys McClure, 1942
Genus Endallex Rafinesque, 1830 accepted as Phalaris Linnaeus, 1753
Genus Endodia Rafinesque, 1825 accepted as Leersia O. Swartz, 1788
Genus Enneapogon Desvaux ex Palisot de Beauvois, 1812
Genus Enodium Persoon ex Gaudin, 1811 accepted as Molinia Schrank, 1789
Genus Enteropogon C.G.D. Nees in Lindley, 1836
Genus Enteropogonopsis J.K. Wipff & R.B. Shaw, 2018 accepted as Tetrapogon Desfontaines, 1799
Genus Entolasia Stapf in D. Prain, 1920
Genus Entoplocamia Stapf in Thiselton-Dyer, 1898
Genus Eograminis G. Poinar & R.J. Soreng, 2021 †
Genus Ephebopogon C.G.D. Nees von Esenbeck & F.J.F. Meyen ex E.G. von Steudel, 1840 accepted as Microstegium C.G.D. Nees in J. Lindley, 1836
Genus Epicampes J.S. Presl in K.B. Presl, 1830 accepted as Muhlenbergia Schreber, 1789
Genus Eragrostiella Bor, 1940
Genus Eragrostis N.M. Wolf, 1776
Genus Eremitis Doell in C.F.P. Martius, 1877
Genus Eremium O. Seberg & I. Linde-Laursen, 1996 accepted as Leymus Hochstetter, 1848
Genus Eremocaulon T.R. Soderstrom & X. Londoño, 1987
Genus Eremochlamys A. Peter, 1930 accepted as Tricholaena Schrader in J.A. Schultes, 1824
Genus Eremochloa L.H. Buse, 1854
Genus Eremochloe S. Watson, 1871 accepted as Blepharidachne Hackel in Engler & Prantl, 1887
Genus Eremopoa R.Y. Roshevitz in R.Y. Roshevitz & B.K. Schischkin, 1934
Genus Eremopogon Stapf in D. Prain, 1917 accepted as Dichanthium Willemet, 1796
Genus Eremopyrum (Ledebour) Jaubert & Spach, 1851
Genus Eriachne R. Brown, 1810
Genus Eriachne R.A. Philippi, 1870 accepted as Digitaria A. Haller, 1768
Genus Erianthecium Parodi, 1943
Genus Erianthus A. Michaux, 1803 accepted as Saccharum Linnaeus, 1753
Genus Erioblastus Honda ex Nakai, 1930 accepted as Deschampsia Palisot de Beauvois, 1812
Genus Eriochaeta Figari & De Notaris, 1853 accepted as Pennisetum L.C. Richard in Persoon, 1805
Genus Eriochloa Kunth in Humboldt, Bonpland & Kunth, 1816
Genus Eriochrysis Palisot de Beauvois, 1812
Genus Eriocoma Nuttall, 1818 accepted as Achnatherum Palisot de Beauvois, 1812
Genus Eriolytrum N.A. Desvaux ex K.S. Kunth, 1829 accepted as Panicum Linnaeus, 1753
Genus Erioneuron Nash in J.K. Small, 1903
Genus Eriopodium C.F.F. Hochstetter, 1846 accepted as Andropogon Linnaeus, 1753
Genus Eriosella K. Romaschenko in Peterson et al., 2019
Genus Erochloe Rafinesque, 1825 accepted as Eragrostis N.M. Wolf, 1776
Genus Erosion Lunell, 1915 accepted as Eragrostis N.M. Wolf, 1776
Genus Erucaria V. Cervantes, 1870 accepted as Bouteloua Lagasca, 1805
Genus Erythranthera Zotov, 1963 accepted as Rytidosperma Steudel, 1854
Genus Erythroblepharum D.F.L. von Schlechtendal, 1855
Genus Euchlaena H.A. Schrader, 1832 accepted as Zea Linnaeus, 1753
Genus Euchlaezea E.K. Janaki Ammal ex N.L. Bor, 1960
Genus Euclasta A.R. Franchet, 1895
Genus Eudonax E.M. Fries, 1843 accepted as Arundo Linnaeus, 1753
Genus Eufournia J.R. Reeder, 1967 accepted as Sohnsia Airy Shaw, 1965
Genus Euklastaxon Steudel, 1854 accepted as Andropogon Linnaeus, 1753
Genus Eulalia Kunth, 1829
Genus Eulaliopsis Honda, 1923
Genus Eupogon N.A. Desvaux, 1831 accepted as Andropogon Linnaeus, 1753
Genus Euraphis (Trinius) J. Lindley, 1846 accepted as Boissiera Hochstetter ex Steudel, 1840
Genus Eustachys Desvaux, 1810
Genus Euthryptochloa T.A. Cope, 1987 accepted as Phaenosperma Munro ex Bentham, 1881
Genus Eutriana Trinius, 1820 accepted as Bouteloua Lagasca, 1805
Genus Exagrostis E.G. von Steudel, 1840 accepted as Eragrostis N.M. Wolf, 1776
Genus Exotheca N.J. Andersson, 1856
Genus Exydra Endlicher, 1830 accepted as Glyceria R. Brown, 1810
Genus Falimiria W.S.J.G. von Besser ex H.G.L. Reichenbach, 1828 accepted as Gaudinia Palisot de Beauvois, 1812
Genus Falona Adanson, 1763 accepted as Cynosurus Linnaeus, 1753
Genus Fargesia A.R. Franchet, 1893
Genus Farrago W.D. Clayton, 1967
Genus Fartis Adanson, 1763 accepted as Zizania Linnaeus, 1753
Genus Fasciculochloa B.K. Simon & C.M. Weiller, 1995 accepted as Steinchisma Rafinesque, 1830
Genus Fendleria Steudel, 1854 accepted as Oryzopsis A. Michaux, 1803
Genus Ferrocalamus J.R. Xue & P.C. Keng in P.C. Keng & J.R. Xue, 1982
Genus Festuca Linnaeus, 1753
Genus Festucaria Link, 1844 accepted as Vulpia C.C. Gmelin, 1805
Genus Festucaria Heister ex Fabricius, 1759 accepted as Festuca Linnaeus, 1753
Genus Festucella E.B. Alekseev, 1985
Genus Festucopsis (C.E. Hubbard) A. Melderis, 1978
Genus Festulolium P. Ascherson & P. Graebner, 1902
Genus Festulpia A. Melderis ex C.A. Stace & R. Cotton, 1974
Genus Fibichia G.L. Koeler, 1802 accepted as Cynodon L.C.M. Richard, 1805
Genus Filgueirasia G.F. Guala, 2003
Genus Filipedium M.B. Raizada & S.K. Jain, 1951 accepted as Capillipedium Stapf in D. Prain, 1917
Genus Fimbribambusa E.A. Widjaja, 1997
Genus Fingerhuthia C.G.D. Nees in J.G.C. Lehmann, 1834
Genus Fiorinia Parlatore, 1850 accepted as Aira Linnaeus, 1753
Genus Flavia Heister ex Fabricius, 1759 accepted as Anthoxanthum Linnaeus, 1753
Genus Flexularia Rafinesque, 1819
Genus Fluminia E.M. Fries, 1846 accepted as Scolochloa Link, 1827
Genus Foenodorum E.H.L. Krause, 1911 accepted as Anthoxanthum Linnaeus, 1753
Genus Forasaccus Bubani, 1901 accepted as Bromus Linnaeus, 1753
Genus Fourniera F. Lamson-Scribner, 1897 accepted as Bouteloua Lagasca, 1805
Genus Froesiochloa G.A. Black, 1950
Genus Frumentum E.H.L. Krause, 1898 accepted as Triticum Linnaeus, 1753
Genus Fussia Schur, 1866 accepted as Aira Linnaeus, 1753
Genus Galeottia Ruprecht ex H.G. Galeotti, 1842 accepted as Zeugites P. Browne, 1756
Genus Gamelythrum C.G.D. Nees, 1843 accepted as Amphipogon R. Brown, 1810
Genus Gaoligongshania D.Z. Li, C.J. Hsueh & N.H. Xia, 1995
Genus Garnotia A.T. Brongniart in Duperrey, 1832
Genus Garnotiella Stapf, 1896 accepted as Asthenochloa L.H. Buse, 1854
Genus Gastridium Palisot de Beauvois, 1812
Genus Gastropyrum (Jaubert & Spach) Á. Löve, 1982 accepted as Aegilops Linnaeus, 1753
Genus Gaudinia Palisot de Beauvois, 1812
Genus Gaudiniopsis (Boissier) A. Eig, 1929 accepted as Ventenata G.L. Koeler, 1802
Genus Gaudinopsis (P.E. Boissier) Eig, 1929 accepted as Ventenata G.L. Koeler, 1802
Genus Gazachloa J.B. Phipps, 1964 accepted as Danthoniopsis Stapf, 1916
Genus Gelidocalamus T.H. Wen, 1982
Genus Genea (Dumortier) Dumortier, 1868 accepted as Bromus Linnaeus, 1753
Genus Geochloa H.P. Linder & N.P. Barker, 2010
Genus Geopogon E.G. von Steudel accepted as Chloris O. Swartz, 1788
Genus Germainia Balansa & Poitrasson, 1873
Genus Gerritea F.O. Zuloaga, O. Morrone & T. Killeen, 1993
Genus Gigachilon W.B. Seidl, 1836 accepted as Triticum Linnaeus, 1753
Genus Gigantocalamus K.M. Wong, 2011
Genus Gigantochloa Kurz ex Munro, 1868
Genus Gilgiochloa Pilger, 1914
Genus Ginannia Bubani, 1901 accepted as Holcus Linnaeus, 1753
Genus Glandiloba (C.S. Rafinesque) E.G. von Steudel, 1840 accepted as Eriochloa Kunth in Humboldt, Bonpland & Kunth, 1816
Genus Glaziophyton A.R. Franchet, 1889
Genus Glyceria R. Brown, 1810
Genus Glycerioxylon B.S. Trivedi & S.K. Bajpai, 1982 †
Genus Glyphochloa W.D. Clayton, 1981
Genus Gnomonia Lunell, 1915 accepted as Festuca Linnaeus, 1753
Genus Goldbachia Trinius in K.P.J. Sprengel, 1821 accepted as Arundinella Raddi, 1823
Genus Gossweilerochloa S.A. Renvoize, 1979 accepted as Tridens J.J. Roemer & J.A. Schultes, 1817
Genus Gouinia E.P.N. Fournier in Bentham & J.D. Hooker, 1883
Genus Goulardia Husnot, 1899 accepted as Elymus Linnaeus, 1753
Genus Gouldochloa J. Valdés, C.W. Morden & S.L. Hatch, 1986 accepted as Chasmanthium Link, 1827
Genus Gracilea König ex J.D. Hooker, 1896 accepted as Melanocenchris C.G.D. Nees, 1841
Genus Gramen Séguier, 1754 accepted as Secale Linnaeus, 1753
Genus Gramen Krause, 1914 accepted as Festuca Linnaeus, 1753
Genus Gramerium Desvaux, 1831 accepted as Digitaria A. Haller, 1768
Genus Graminastrum E.H.L. Krause, 1914 accepted as Dissanthelium Trinius, 1836
Genus Graminophyllum Conwentz, 1886 †
Genus Graphephorum M. Honda, 1934
Genus Graphephorum Desvaux, 1810
Genus Graya Arnott ex Steudel, 1854 accepted as Sphaerocaryum C.G.D. Nees ex J.D. Hooker, 1896
Genus Greeneochloa P.M. Peterson, R.J. Soreng, K. Romaschenko & P. Barberá, 2019
Genus Greenia Nuttall, 1835 accepted as Limnodea L.H. Dewey in J.M. Coulter, 1894
Genus Greslania Balansa, 1873
Genus Griffithsochloa G.J. Pierce, 1978 accepted as Bouteloua Lagasca, 1805
Genus Guadella A.R. Franchet, 1887 accepted as Guaduella A.R. Franchet, 1887
Genus Guadua Kunth, 1822
Genus Guaduella A.R. Franchet, 1887
Genus Gymnachne Parodi, 1938
Genus Gymnandropogon (Nees) Duthie, 1878(?) accepted as Bothriochloa O. Kuntze, 1891
Genus Gymnanthelia N.J. Andersson in G.A. Schweinfurth, 1867 accepted as Cymbopogon K.P.J. Sprengel, 1815
Genus Gymnopogon Palisot de Beauvois, 1812
Genus Gymnostichum Schreber, 1810 accepted as Elymus Linnaeus, 1753
Genus Gymnotrix Palisot de Beauvois, 1812 accepted as Pennisetum L.C. Richard in Persoon, 1805
Genus Gynerium Humboldt in Humboldt & Bonpland, 1813
Genus Gynerium Willdenow ex Palisot de Beauvois, 1812
Genus Habrochloa C.E. Hubbard, 1967
Genus Habrurus C.F.F. Hochstetter, 1856 accepted as Elionurus F.W.H.A. von Humboldt & A.J.A. Bonpland ex C.L. von Willdenow, 1806
Genus Hackelia G. Vasey ex Beal, 1896 accepted as Gouinia E.P.N. Fournier in Bentham & J.D. Hooker, 1883
Genus Hackelochloa O. Kuntze, 1891 accepted as Mnesithea Kunth, 1829
Genus Haeupleria G.H. Loos, 2010 accepted as Trisetaria Forsskål, 1775
Genus Hainardia W. Greuter in W. Greuter & K.H. Rechinger, 1967
Genus Hainardiopholis S. Castroviejo in S. Castroviejo et al., 1980
Genus Hakonechloa Makino ex Honda, 1930
Genus Halochloa Grisebach, 1879 accepted as Monanthochloe Engelmann, 1859
Genus Halopyrum Stapf, 1896
Genus Hansara M.H.J. van der Meer, 2019 accepted as Agave Linnaeus, 1753
Genus Haplachne J.S. Presl in K.B. Presl, 1830 accepted as Dimeria R. Brown, 1810
Genus Harpachne Hochstetter ex A. Richard, 1847-1848
Genus Harpechloa Kunth, 1830 accepted as Harpochloa Kunth, 1829
Genus Harpochloa Kunth, 1829
Genus Haynaldia Schur, 1866 accepted as Dasypyrum (Cosson & Durieu) T. Durand, 1888
Genus Haynaldoticum Ciferri & Giacomini, 1950
Genus Hekaterosachne Steudel, 1854 accepted as Oplismenus Palisot de Beauvois, 1810
Genus Heleochloa Host ex J.J. Roemer, 1807-1810 accepted as Crypsis W. Aiton, 1789
Genus Heleochloa (Fries) S.T.N. Drejer, 1838 accepted as Glyceria R. Brown, 1810
Genus Heleochloa A.M.F.J. Palisot de Beauvois, 1812 accepted as Phleum Linnaeus, 1753
Genus Helictochloa C. Romero Zarco, 2011
Genus Helictotrichon Besser in J.A. Schultes & J.H. Schultes, 1827
Genus Hellera J.C. Döll in C.F.P. von Martius, 1877 accepted as Raddia Bertoloni, 1819
Genus Helleria E.P.N. Fournier, 1886 accepted as Festuca Linnaeus, 1753
Genus Hellerochloa S. Rauschert, 1982 accepted as Festuca Linnaeus, 1753
Genus Helopus Trinius, 1820 accepted as Eriochloa Kunth in Humboldt, Bonpland & Kunth, 1816
Genus Hemarthria R. Brown, 1810
Genus Hemibromus Steudel, 1854 accepted as Glyceria R. Brown, 1810
Genus Hemigymnia O. Stapf in D. Prain, 1920 accepted as Ottochloa Dandy, 1931
Genus Hemimunroa Parodi, 1937 accepted as Munroa J. Torrey, 1857
Genus Hemisacris Steudel, 1829 accepted as Schismus Palisot de Beauvois, 1812
Genus Hemisorghum C.E. Hubbard in N.L. Bor, 1960
Genus Henrardia C.E. Hubbard, 1946
Genus Heptaseta G. Koidzumi, 1933 accepted as Agrostis Linnaeus, 1753
Genus Hermanara M.H.J. van der Meer, 2019
Genus Hesperochloa (Piper) Rydberg, 1912 accepted as Festuca Linnaeus, 1753
Genus Hesperostipa (Elias) M.E. Barkworth, 1993
Genus Heterachne Bentham, 1877
Genus Heteranthelium Hochstetter ex Jaubert & Spach, 1851
Genus Heteranthoecia Stapf, 1911
Genus Heteranthus Borkhausen, 1796 accepted as Ventenata G.L. Koeler, 1802
Genus Heterelytron Junghuhn, 1840 accepted as Themeda Forsskål, 1775
Genus Heterocarpha Stapf & C.E. Hubbard, 1929 accepted as Drake-Brockmania Stapf, 1912
Genus Heterochaeta Besser in J.A. Schultes & J.H. Schultes, 1827 accepted as Ventenata G.L. Koeler, 1802
Genus Heterochloa Desvaux, 1831 accepted as Andropogon Linnaeus, 1753
Genus Heterolepis C.G. Ehrenberg ex P.E. Boissier, 1884 accepted as Chloris O. Swartz, 1788
Genus Heteropholis C.E. Hubbard, 1956 accepted as Mnesithea Kunth, 1829
Genus Heteropogon Persoon, 1807
Genus Heterosteca Desvaux, 1810 accepted as Bouteloua Lagasca, 1805
Genus Heuffelia Schur, 1866 accepted as Helictotrichon Besser in J.A. Schultes & J.H. Schultes, 1827
Genus Hexarrhena J.S. Presl in K.B. Presl, 1830 accepted as Hilaria Kunth in Humboldt, Bonpland & Kunth, 1816
Genus Hibanobambusa I. Maruyama & H. Okamura in I. Maruyama, H. Okamura & G. Murata, 1979
Genus Hickelia A. Camus, 1924
Genus Hierochloe R. Brown, 1810
Genus Hierochloë R. Brown, 1810 represented as Hierochloe R. Brown, 1810
Genus Hilaria Kunth in Humboldt, Bonpland & Kunth, 1816
Genus Hildaea C. Silva & R.P. de Oliveira, 2015 accepted as Ichnanthus Palisot de Beauvois, 1812
Genus Himalayacalamus P.C. Keng, 1983
Genus Hippagrostis O. Kuntze, 1891 accepted as Oplismenus Palisot de Beauvois, 1810
Genus Hitchcockella A. Camus, 1925
Genus Holboellia W.J. Hooker, 1831 accepted as Lopholepis Decaisne, 1839
Genus Holcolemma Stapf & Hubbard, 1929
Genus Holcus Linnaeus, 1753
Genus Hologamium C.G.D. Nees, 1835 accepted as Sehima Forsskål, 1775
Genus Holosetum Steudel, 1854 accepted as Alloteropsis J.S. Presl in K.B. Presl, 1830
Genus Holttumochloa K.M. Wong, 1993
Genus Homalachna O. Kuntze in Post & O. Kuntze, 1903 accepted as Holcus Linnaeus, 1753
Genus Homalachne (Bentham & J.D. Hooker) O. Kuntze in Post & O. Kuntze, 1903 accepted as Holcus Linnaeus, 1753
Genus Homalocenchrus Mieg, 1760 accepted as Leersia O. Swartz, 1788
Genus Homalotrichon E. Banfi, G. Galasso & G. Bracchi in F. Conti, G. Abbate, A. Allesandrini & C. Blasi, 2005 accepted as Avenula (Dumortier) Dumortier, 1868
Genus Homoeatherum C.G.D. Nees in J. Lindley, 1836 accepted as Andropogon Linnaeus, 1753
Genus Homoiachne Pilger, 1949 accepted as Deschampsia Palisot de Beauvois, 1812
Genus Homolepis Chase, 1911
Genus Homopholis C.E. Hubbard, 1934
Genus Homoplitis Trinius, 1820 accepted as Pogonatherum Palisot de Beauvois, 1812
Genus Homopogon Stapf in A. Chevalier, 1908 accepted as Trachypogon C.G.D. Nees, 1829
Genus Homozeugos Stapf, 1915
Genus Hookerochloa E.B. Alekseev, 1985
Genus Hopia F.O. Zuloaga & O. Morrone in F.O. Zuloaga, L.M. Giussani & O. Morrone, 2007
Genus Hoplismenus J.C. Hasskarl, 1844 accepted as Oplismenus Palisot de Beauvois, 1810
Genus Hordale Ciferri & Giacomini, 1950
Genus Hordelymus Bachtj & Darevsk, 1950 accepted as Elyhordeum Mansfeld ex N.V. Zizin & K.A. Petrowa, 1955
Genus Hordelymus (Jessen) Harz, 1885
Genus Hordeopyron Simonet, 1935
Genus Hordeopyrum Simonet, 1935 accepted as Agrohordeum E.G. Camus ex A. Camus, 1927
Genus Horderoegneria Tsvelev, 1964
Genus Hordeum Linnaeus, 1753
Genus Houzeaubambus G.E. Mattei, 1910 accepted as Oxytenanthera Munro, 1868
Genus Hsuehochloa D.-Z. Li & Y.-X. Zhang in Zhang et al., 2018
Genus Hubbardia Bor, 1951
Genus Hubbardochloa P. Auquier, 1980
Genus Humbertochloa A. Camus & Stapf, 1934
Genus Hyalopoa (Tzvelev) Tzvelev in Tzvelev & Bolkhovskikh, 1965
Genus Hyalopodium M. Röser & N. Tkach in Tkach et al., 2020
Genus Hydrochloa Palisot de Beauvois, 1812 accepted as Luziola A.L. Jussieu, 1789
Genus Hydrochloa Hartman, 1819 accepted as Glyceria R. Brown, 1810
Genus Hydropoa (Dumortier) Dumortier, 1868 accepted as Glyceria R. Brown, 1810
Genus Hydropyrum Link, 1827 accepted as Zizania Linnaeus, 1753
Genus Hydrothauma Hubbard, 1947
Genus Hygrochloa M. Lazarides, 1979
Genus Hygrorhiza G. Bentham, 1881 accepted as Hygroryza C.G.D. Nees in R. Wight & Arnott, 1833
Genus Hygrorhizos B.S. Trivedi, R.K. Srivastava & S.K. Bajpai, 1985 †
Genus Hygroryza C.G.D. Nees in R. Wight & Arnott, 1833
Genus Hylebates Chippindall, 1945
Genus Hymenachne Palisot de Beauvois, 1812
Genus Hymenothecium Lagasca, 1816 accepted as Aegopogon Humboldt & Bonpland ex Willdenow, 1806
Genus Hyparrhenia Andersson ex Fournier, 1886
Genus Hyperthelia W.D. Clayton, 1967
Genus Hypodaeurus C.F.F. Hochstetter, 1844 accepted as Anthephora Schreber, 1810
Genus Hypogynium C.G.D. Nees, 1829 accepted as Andropogon Linnaeus, 1753
Genus Hypolepis C.G.D. Nees, 1829 accepted as Hypogynium C.G.D. Nees, 1829
Genus Hypseochloa C.E. Hubbard in J. Hutchinson & J.M. Dalziel, 1936
Genus Hypudaerus A.K.H. Braun, 1841 accepted as Anthephora Schreber, 1810
Genus Hypudaeurus H.G.L. Reichenbach, 1841 accepted as Anthephora Schreber, 1810
Genus Hystericina Steudel, 1853 accepted as Echinopogon Palisot de Beauvois, 1812
Genus Hystringium C.B. von Trinius ex E.G. von Steudel, 1841 accepted as Tribolium Desvaux, 1831
Genus Hystrix Moench, 1794 accepted as Elymus Linnaeus, 1753
Genus Ichnanthus Palisot de Beauvois, 1812
Genus Imparum M.H.J. van der Meer, 2019
Genus Imperata Cyrillo, 1792
Genus Incadendron K. Wurdack & W. Farfán Rios, 2017
Genus Indocalamus Nakai, 1925
Genus Indochloa Bor, 1954 accepted as Euclasta A.R. Franchet, 1895
Genus Indopoa N.L. Bor, 1958
Genus Indoryza A.N. Henry & B. Roy, 1969 accepted as Porteresia Tateoka, 1965
Genus Indosasa McClure, 1940
Genus Ioackima M. Tenore, 1813 accepted as Beckmannia Host, 1805
Genus Ipnum Philippi, 1870 accepted as Leptochloa Palisot de Beauvois, 1812
Genus Irulia R.H. Beddome, 1873 accepted as Ochlandra Thwaites, 1864
Genus Isachne R. Brown, 1810
Genus Isalus J.B. Phipps, 1966 accepted as Tristachya C.G.D. Nees, 1829
Genus Ischaemopogon Grisebach, 1864 accepted as Ischaemum Linnaeus, 1753
Genus Ischaemum Linnaeus, 1753
Genus Ischnanthus J.J. Roemer & J.A. Schultes, 1817 accepted as Ichnanthus Palisot de Beauvois, 1812
Genus Ischnochloa J.D. Hooker, 1896 accepted as Microstegium C.G.D. Nees in J. Lindley, 1836
Genus Ischnurus I.B. Balfour, 1883 accepted as Lepturus R. Brown, 1810
Genus Ischurochloa L.H. Buse, 1854 accepted as Bambusa Schreber, 1789
Genus Iseilema N.J. Andersson, 1856
Genus Ixalum J.G.A. Forster, 1786 accepted as Spinifex Linnaeus, 1771
Genus Ixophorus Schlechtendal, 1861-1862
Genus Jacquesfelixia Phipps, 1964 accepted as Danthoniopsis Stapf, 1916
Genus Janochloa F.O. Zuloaga & C. Delfini in Delfini et al., 2023
Genus Jansenella Bor, 1955
Genus Jarava Ruiz & Pavon, 1794
Genus Jardinea Steudel, 1854 accepted as Phacelurus Grisebach, 1846
Genus Jeannekeara M.H.J. van der Meer, 2019
Genus Joachima Tenore, 1811 accepted as Beckmannia Host, 1805
Genus Joannegria Chiovenda, 1913 accepted as Lintonia Stapf, 1911
Genus Jouvea E.P.N. Fournier, 1876
Genus Joycea H.P. Linder in H.P. Linder & G.A. Verboom, 1996 accepted as Rytidosperma Steudel, 1854
Genus Kalinia H.L. Bell & J.T. Columbus, 2013
Genus Kampmannia Steudel, 1853 accepted as Cortaderia O. Stapf, 1897
Genus Kampochloa W.D. Clayton, 1967
Genus Kaokochloa De Winter, 1961
Genus Karroochloa H.J. Conert & A.M. Türpe, 1969 accepted as Tribolium Desvaux, 1831
Genus Kellochloa A. Lizarazu, M.V. Nicola & M.A. Scataglini, 2015 accepted as Panicum Linnaeus, 1753
Genus Kengdoroegneria I.G. Olshanskyi, 2023
Genus Kengia J.G. Packer, 1960
Genus Kengiochloa Y.H. Tong & N.H. Xia, 2023
Genus Kengyilia C. Yen & J.L. Yang, 1990
Genus Keniochloa Melderis, 1956 accepted as Colpodium Trinius, 1822
Genus Keratochlaena O. Morrone & F.O. Zuloaga, 2009
Genus Kerinozoma Steudel, 1854 accepted as Xerochloa R. Brown, 1810
Genus Kerriochloa C.E. Hubbard, 1950
Genus Khoonmengia N.H. Xia, Y.H. Tong & X.R. Zhen, 2020
Genus Kielboul Adanson, 1763 accepted as Aristida Linnaeus, 1753
Genus Kiharapyrum Á. Löve, 1982 accepted as Aegilops Linnaeus, 1753
Genus Kikuyuochloa H. Scholz, 2006 accepted as Pennisetum L.C. Richard in Persoon, 1805
Genus Kinabaluchloa K.M. Wong, 1993
Genus Klemachloa R.N. Parker, 1932 accepted as Dendrocalamus C.G.D. Nees, 1835
Genus Knappia J.E. Smith in J.E. Smith & Sowerby, 1803 accepted as Mibora Adanson, 1763
Genus Koeleria Persoon, 1805
Genus Koordersiochloa Merrill, 1917 accepted as Streblochaete Hochstetter ex Pilger, 1906
Genus Korycarpus F.A. Zea ex M. Lagasca, 1816 accepted as Diarrhena Palisot de Beauvois, 1812
Genus Kralikia Cosson & Durieu de Maisonneuve, 1867 accepted as Tripogon J.J. Roemer & J.A. Schultes, 1817
Genus Kralikiella J.A. Battandier & L. Trabut, 1895 accepted as Tripogon J.J. Roemer & J.A. Schultes, 1817
Genus Kratzmannia F.M. Opiz, 1852 accepted as Agropyron J. Gaertner, 1770
Genus Krombholzia Ruprecht ex E.P.N. Fournier, 1876 accepted as Zeugites P. Browne, 1756
Genus Ktenosachne Steudel, 1854 accepted as Rostraria Trinius, 1820
Genus Kuruna L. Attigala, H.-S. Kathriarachchi & L.G. Clark, 2014
Genus Lachnagrostis Trinius, 1820 accepted as Agrostis Linnaeus, 1753
Genus Lachnochloa Steudel, 1853
Genus Lachryma-job Ortega, 1773
Genus Lachrymajobi Ortega, 1773 accepted as Lachryma-jobi Ortega, 1773
Genus Lachryma-jobi Ortega, 1773 accepted as Coix Linnaeus, 1753
Genus Lachrymaria Heister ex Fabricius, 1759 accepted as Coix Linnaeus, 1753
Genus Lacryma Medikus, 1789 accepted as Coix Linnaeus, 1753
Genus Laegaardia P.M. Peterson, R.J. Soreng, K. Romaschenko & P. Barberá, 2019
Genus Laertia Gromov ex E.R. von Trautvetter, 1884 accepted as Leersia O. Swartz, 1788
Genus Lagurus Linnaeus, 1753
Genus Lakshmia J.F. Veldkamp, 2008 accepted as Hemisorghum C.E. Hubbard in N.L. Bor, 1960
Genus Lamarckia C. Moench, 1794
Genus Lamarkia C. Moench, 1794 accepted as Lamarckia C. Moench, 1794
Genus Lamprothyrsus Pilger, 1906 accepted as Cortaderia O. Stapf, 1897
Genus Langsdorffia F.E.L. von Fischer ex E.A. von Regel, 1863 accepted as Eustachys Desvaux, 1810
Genus Laobambos T. Haevermans, V. Lamxay & D.Z. Li, 2020
Genus Lappago Schreber, 1789 accepted as Tragus A. Haller, 1768
Genus Lappagopsis Steudel, 1854 accepted as Axonopus Palisot de Beauvois, 1812
Genus Lasiacis (Grisebach) Hitchcock, 1910
Genus Lasiagrostis Link, 1827 accepted as Stipa Linnaeus, 1753
Genus Lasiochloa Kunth, 1832 accepted as Tribolium Desvaux, 1831
Genus Lasiolytrum Steudel, 1846 accepted as Arthraxon Palisot de Beauvois, 1812
Genus Lasiorhachis (E. Hackel) O. Stapf, 1927 accepted as Saccharum Linnaeus, 1753
Genus Lasiorrhachis (Hackel) Stapf, 1927
Genus Lasiostega F.J. Ruprecht ex G. Bentham, 1857 accepted as Bouteloua Lagasca, 1805
Genus Lasiotrichos J.G.C. Lehmann, 1834 accepted as Fingerhuthia C.G.D. Nees in J.G.C. Lehmann, 1834
Genus Lasiurus Boissier, 1859
Genus Laston C. Pau, 1895 accepted as Festuca Linnaeus, 1753
Genus Latipes Kunth, 1829 accepted as Leptothrium Kunth, 1829
Genus Lechlera E.G. von Steudel, 1854 accepted as Relchela Steudel, 1854
Genus Lecomtella A. Camus, 1925
Genus Leersia O. Swartz, 1788
Genus Leiopoa Ohwi, 1932 accepted as Festuca Linnaeus, 1753
Genus Leleba Nakai, 1933 accepted as Bambusa Schreber, 1789
Genus Lenormandia E.G. von Steudel, 1850 accepted as Chrysopogon Trinius, 1820
Genus Lepargochloa Launert, 1963 accepted as Loxodera Launert, 1963
Genus Lepeocercis Trinius, 1820 accepted as Dichanthium Willemet, 1796
Genus Lepideilema Trinius, 1830 accepted as Streptochaeta Schrader ex C.G.D. Nees, 1829
Genus Lepidopironia A. Richard, 1847-1848 accepted as Tetrapogon Desfontaines, 1799
Genus Lepidurus Janchen in Janchen & Neumeyer, 1944 accepted as Parapholis Hubbard, 1946
Genus Lepitoma J. Torrey ex E.G. von Steudel, 1841 accepted as Pleuropogon R. Brown, 1823
Genus Lepiurus Dumortier, 1824 accepted as Lepturus R. Brown, 1810
Genus Leptagrostis C.E. Hubbard, 1937
Genus Leptaspis R. Brown, 1810
Genus Leptatherum C.G.D. Nees, 1841
Genus Leptocanna L.C. Chia & H.L. Fung, 1981 accepted as Schizostachyum C.G.D. Nees, 1829
Genus Leptocarydion Hochstetter ex Stapf in Thiselton-Dyer, 1898
Genus Leptocarydium Hochstetter ex Stapf in Thiselton-Dyer, 1898
Genus Leptocercus Rafinesque, 1819 accepted as Lepturus R. Brown, 1810
Genus Leptocereus Rafinesque, 1819
Genus Leptochloa Palisot de Beauvois, 1812
Genus Leptochloopsis H.O. Yates, 1966 accepted as Uniola Linnaeus, 1753
Genus Leptochloöpsis H.O. Yates, 1966 represented as Leptochloopsis H.O. Yates, 1966
Genus Leptochloris W. Munro ex C.E.O. Kuntze, 1891 accepted as Trichloris E. Fournier ex Bentham, 1881
Genus Leptocoryphium C.G.D. Nees, 1829 accepted as Anthenantia Palisot de Beauvois, 1812
Genus Leptoloma Chase, 1906 accepted as Digitaria A. Haller, 1768
Genus Leptophyllochloa Calderón ex E.G. Nicora, 1978
Genus Leptopogon G.E. Roberty, 1960 accepted as Andropogon Linnaeus, 1753
Genus Leptosaccharum (Hackel) A. Camus, 1923 accepted as Eriochrysis Palisot de Beauvois, 1812
Genus Leptostachys G.F.W. Meyer, 1818 accepted as Leptochloa Palisot de Beauvois, 1812
Genus Leptothrium Kunth, 1829
Genus Leptothrix (Dumortier) Dumortier, 1868 accepted as Hordelymus (Jessen) Harz, 1885
Genus Lepturella Stapf in A. Chevalier, 1912 accepted as Oropetium Trinius, 1820
Genus Lepturidium Hitchcock & Ekman, 1936
Genus Lepturopetium P. Morat, 1981
Genus Lepturopsis Steudel, 1854 accepted as Olyra Linnaeus, 1759
Genus Lepturus R. Brown, 1810
Genus Lepyroxis E.P.N. Fournier, 1886 accepted as Muhlenbergia Schreber, 1789
Genus Lerchenfeldia Schur, 1866 accepted as Deschampsia Palisot de Beauvois, 1812
Genus Lesourdia E.P.N. Fournier, 1880 accepted as Scleropogon Philippi, 1870
Genus Leucophrys Rendle, 1899
Genus Leucopoa Grisebach in Ledebour, 1852 accepted as Festuca Linnaeus, 1753
Genus Leydeum M.E. Barkworth, 1998
Genus Leymopyron N.N. Tzvelev in A.I. Tolmatchev, 1974
Genus Leymostachys N.N. Tzvelev, 1973
Genus Leymotrigia Tsvelev, 1964
Genus Leymotrix S.S. Kharkevich & N.S. Probatova in N.S. Probatova & S.S. Kharkevich, 1983
Genus Leymus Hochstetter, 1848
Genus Leytesion M.E. Barkworth & R.J. Atkins, 1984
Genus Libertia Lejeune, 1825 accepted as Bromus Linnaeus, 1753
Genus Libyella Pampanini, 1925
Genus Limnas Trinius, 1820
Genus Limnetis L.C. Richard in Persoon, 1805 accepted as Spartina Schreber, 1789
Genus Limnodea L.H. Dewey in J.M. Coulter, 1894
Genus Limnopoa C.E. Hubbard, 1943
Genus Lindbergella N.L. Bor, 1969
Genus Lindbergia N.L. Bor, 1968 accepted as Lindbergella N.L. Bor, 1969
Genus Lingnania McClure, 1940 accepted as Bambusa Schreber, 1789
Genus Linkagrostis A.T. Romero García, G. Blanca & C. Morales Torres, 1987 accepted as Agrostis Linnaeus, 1753
Genus Linosparton Adanson, 1763 accepted as Lygeum Loefling ex Linnaeus, 1754
Genus Lintonia Stapf, 1911
Genus Lithachne Palisot de Beauvois, 1812
Genus Lithagrostis J. Gaertner, 1788 accepted as Coix Linnaeus, 1753
Genus Lithodontium Ehrenberg, 1841 †
Genus Lithomesites Ehrenberg, 1841 †
Genus Lithostylidium Ehrenberg, 1841 †
Genus Littledalea W.B. Hemsley, 1896
Genus Lloydia Delile, 1844 accepted as Pennisetum L.C. Richard in Persoon, 1805
Genus Locajonoa R.J. Soreng in Soreng et al., 2022
Genus Lodicularia Palisot de Beauvois, 1812 accepted as Hemarthria R. Brown, 1810
Genus Lojaconoa M. Gandoger, 1891 accepted as Festuca Linnaeus, 1753
Genus Loliolum V.I. Kreczetovich & E.G. Bobrov in Roshevitz & Schischkin, 1934
Genus Lolium Linnaeus, 1753
Genus Lombardochloa B. Rosengurtt & B.R. Arrillaga de Maffei, 1982 accepted as Briza Linnaeus, 1753
Genus Lophachme Stapf, 1898 accepted as Lophacme Stapf in Thiselton-Dyer, 1898
Genus Lophacme Stapf in Thiselton-Dyer, 1898
Genus Lophatherum A.T. Brongniart in Duperrey, 1831
Genus Lophochlaena C.G.D. Nees, 1838
Genus Lophochloa H.G.L. Reichenbach, 1830 accepted as Rostraria Trinius, 1820
Genus Lopholepis Decaisne, 1839
Genus Lophopogon Hackel in Engler & Prantl, 1887
Genus Lophopyrum Á. Löve, 1980 accepted as Thinopyrum Á. Löve, 1980
Genus Lorenzochloa J.R. Reeder & C.G. Reeder, 1969 accepted as Ortachne C.G.D. Nees ex Steudel, 1854
Genus Loretia Duval-Jouve, 1880 accepted as Vulpia C.C. Gmelin, 1805
Genus Loudetia Hochstetter ex Steudel, 1854
Genus Loudetia Hochstetter ex A. Braun, 1841 accepted as Tristachya C.G.D. Nees, 1829
Genus Loudetiopsis H.J. Conert, 1957
Genus Louisiella C.E. Hubbard & J. Léonard, 1952
Genus Loxodera Launert, 1963
Genus Loxostachys Peter, 1930 accepted as Pseudechinolaena Stapf in Prain, 1919
Genus Loydia Delile, 1844 accepted as Pennisetum L.C. Richard in Persoon, 1805
Genus Lucaea Kunth, 1831 accepted as Arthraxon Palisot de Beauvois, 1812
Genus Ludolfia Willdenow, 1808 accepted as Arundinaria A. Michaux, 1803
Genus Luziola A.L. Jussieu, 1789
Genus Lycochloa Samuelsson, 1933
Genus Lycurus Kunth in Humboldt, Bonpland & Kunth, 1816
Genus Lygeum Loefling ex Linnaeus, 1754
Genus Lynetteara M.H.J. van der Meer, 2019
Genus Maclurochloa K.M. Wong, 1993
Genus Maclurolyra C.E. Calderón & T.R. Soderstrom, 1973
Genus Macroblepharus R.A. Philippi, 1858 accepted as Eragrostis N.M. Wolf, 1776
Genus Macrobriza (N.N. Tzvelev) N.N. Tzvelev, 1987 accepted as Briza Linnaeus, 1753
Genus Macrochaeta E.G. von Steudel, 1854 accepted as Pennisetum L.C. Richard in Persoon, 1805
Genus Macrochloa Kunth, 1829
Genus Macrohystrix (N.N. Tzvelev) N.N. Tzvelev & N.S. Probatova, 2010 accepted as Leymus Hochstetter, 1848
Genus Macronax Rafinesque, 1808 accepted as Arundinaria A. Michaux, 1803
Genus Macrostachya C.F.F. Hochstetter ex A. Richard, 1850 accepted as Enteropogon C.G.D. Nees in Lindley, 1836
Genus Magastachya Palisot de Beauvois, 1812 accepted as Megastachya Palisot de Beauvois, 1812
Genus Maillea Parlatore, 1842 accepted as Phleum Linnaeus, 1753
Genus Mais Adanson, 1763
Genus Maizilla D.F.L. Schlechtendal, 1850 accepted as Paspalum Linnaeus, 1759
Genus Malacurus Nevski, 1934 accepted as Leymus Hochstetter, 1848
Genus Maltea B. Boivin, 1967 accepted as Pucciphippsia N.N. Tzvelev, 1971
Genus Maltebrunia Kunth, 1829
Genus Malya F.M. Opiz, 1852 accepted as Ventenata G.L. Koeler, 1802
Genus Mandelorna Steudel, 1854 accepted as Chrysopogon Trinius, 1820
Genus Manisuris Linnaeus, 1771
Genus Mapira Adanson, 1763 accepted as Olyra Linnaeus, 1759
Genus Massia Balansa, 1890 accepted as Eriachne R. Brown, 1810
Genus Matrella Persoon, 1805 accepted as Zoysia Willdenow, 1801
Genus Matudacalamus Maekawa, 1961 accepted as Aulonemia Goudot, 1846
Genus Mayariochloa D.L. Salariato, O. Morrone & F.O. Zuloaga, 2012
Genus Mays P. Miller, 1754 accepted as Zea Linnaeus, 1753
Genus Mayzea C.S. Rafinesque, 1830 accepted as Zea Linnaeus, 1753
Genus Medusather (Grisebach) Candargy, 1901 accepted as Hordelymus (Jessen) Harz, 1885
Genus Megalachne Steudel, 1854
Genus Megaloprotachne C.E. Hubbard, 1929
Genus Megastachya Palisot de Beauvois, 1812
Genus Megathyrsus (R.K.F. Pilger) B.K. Simon & S.W.L. Jacobs, 2003
Genus Melanocenchris C.G.D. Nees, 1841
Genus Melara M.H.J. van der Meer, 2019
Genus Melica Linnaeus, 1753
Genus Melinis Palisot de Beauvois, 1812
Genus Melinum Link, 1829 accepted as Zizania Linnaeus, 1753
Genus Melocalamus Bentham in Bentham & J.D. Hooker, 1883
Genus Melocanna Trinius in K.P.J. Sprengel, 1820
Genus Menstruocalamus T. Yi, 1992
Genus Meoschium Palisot de Beauvois, 1812 accepted as Ischaemum Linnaeus, 1753
Genus Merathrepta Rafinesque, 1830 accepted as Danthonia A.P. de Candolle in Lamarck & A.P. de Candolle, 1805
Genus Merelara M.H.J. van der Meer, 2019
Genus Meringurus Murbeck, 1900 accepted as Gaudinia Palisot de Beauvois, 1812
Genus Merisachne Steudel, 1854 accepted as Triplasis Palisot de Beauvois, 1812
Genus Merostachys K.P.J. Sprengel, 1824
Genus Merxmuellera H.J. Conert, 1970
Genus Mesosetum Steudel, 1854
Genus Metasasa W.T. Lin, 1988 accepted as Acidosasa C.D. Chu & C.S. Chao, 1979
Genus Metcalfia Conert, 1960
Genus Mezochloa Butzin, 1966 accepted as Alloteropsis J.S. Presl in K.B. Presl, 1830
Genus Mibora Adanson, 1763
Genus Micagrostis A.L. de Jussieu, 1824 accepted as Mibora Adanson, 1763
Genus Michelaria Dumortier, 1824 accepted as Bromus Linnaeus, 1753
Genus Micrachne P.M. Peterson, K. Romaschenko & Y. Herrera, 2015
Genus Micraira F. von Mueller, 1866
Genus Microbambus K.M. Schumann, 1897 accepted as Guaduella A.R. Franchet, 1887
Genus Microbriza L.R. Parodi ex E.G. Nicora & Z.E. Rúgolo de Agrasar, 1981
Genus Microcalamus A.R. Franchet, 1889
Genus Microcalamus J.S. Gamble, 1890 accepted as Racemobambos Holttum, 1956
Genus Microchlaena C.P.J. Sprengel accepted as Microlaena R. Brown, 1810
Genus Microchloa R. Brown, 1810
Genus Microhystrix (N.N. Tzvelev) N.N. Tzvelev & N.S. Probatova, 2010 accepted as Leymus Hochstetter, 1848
Genus Microlaena R. Brown, 1810
Genus Micropogon "Spreng." ex L.K.G. Pfeiffer, 1874 accepted as Microchloa R. Brown, 1810
Genus Micropyropsis C. Romero Zarco & B. Cabezudo, 1983
Genus Micropyrum (Gaudin) Link, 1844
Genus Microstegium C.G.D. Nees in J. Lindley, 1836
Genus Microthuareia Du Petit-Thouars, 1806 accepted as Thuarea Persoon, 1805
Genus Miegia Persoon, 1805 accepted as Arundinaria A. Michaux, 1803
Genus Mildbraediochloa F. Butzin, 1971 accepted as Melinis Palisot de Beauvois, 1812
Genus Miliarium Moench, 1794 accepted as Milium Linnaeus, 1753
Genus Miliastrum P.C. Fabricius, 1759 accepted as Setaria Palisot de Beauvois, 1812
Genus Milium Linnaeus, 1753
Genus Milium Adanson, 1763 accepted as Panicum Linnaeus, 1753
Genus Miphragtes J.A. Nieuwland, 1914 accepted as Phragmites Adanson, 1763
Genus Miquelia Arnott & C.G.D. Nees, 1843 accepted as Garnotia A.T. Brongniart in Duperrey, 1832
Genus Miscantharum
Genus Miscanthidium Stapf in D. Prain, 1917 accepted as Miscanthus N.J. Andersson, 1855
Genus Miscanthus N.J. Andersson, 1855
Genus Miscarum M.H.J. van der Meer, 2019
Genus Mitwabachloa J.B. Phipps in R.I. de S. Correia, R.A. Lubke & J.B. Phipps, 1967 accepted as Zonotriche (C.E. Hubbard) Phipps, 1964
Genus Mitwabochloa J.B. Phipps accepted as Zonotriche (C.E. Hubbard) Phipps, 1964
Genus Mnesithea Kunth, 1829
Genus Mniochloa Chase, 1908
Genus Moenchia G.W.F. Wenderoth ex E.G. von Steudel, 1841 accepted as Paspalum Linnaeus, 1759
Genus Molinerella Rouy accepted as Periballia Trinius, 1820
Genus Molineria Parlatore, 1850 accepted as Periballia Trinius, 1820
Genus Molineriella Rouy, 1913 accepted as Periballia Trinius, 1820
Genus Molinia Schrank, 1789
Genus Moliniopsis Hayata, 1925 accepted as Molinia Schrank, 1789
Genus Moliniopsis M. Gandoger, 1891 accepted as Kengia J.G. Packer, 1960
Genus Monachather Steudel, 1854
Genus Monachne Palisot de Beauvois, 1812 accepted as Panicum Linnaeus, 1753
Genus Monachyron Parlatore ex W.J. Hooker, 1849 accepted as Melinis Palisot de Beauvois, 1812
Genus Monandraira Desvaux in C. Gay, 1854 accepted as Deschampsia Palisot de Beauvois, 1812
Genus Monanthochloe Engelmann, 1859
Genus Monathera Rafinesque, 1819 accepted as Ctenium Panzer, 1813
Genus Monelytrum Hackel in Schinz, 1888
Genus Monerma Palisot de Beauvois, 1812 accepted as Lepturus R. Brown, 1810
Genus Monilia S.F. Gray, 1821 accepted as Molinia Schrank, 1789
Genus Monium Stapf in D. Prain, 1919 accepted as Anadelphia Hackel, 1885
Genus Monocera S. Elliott, 1816 accepted as Ctenium Panzer, 1813
Genus Monochaete Doell in C.F.P. Martius, 1875 accepted as Gymnopogon Palisot de Beauvois, 1812
Genus Monocladus L.C. Chia, H.L. Fung & Y.L. Yang, 1988 accepted as Bonia Balansa, 1890
Genus Monocymbium Stapf in D. Prain, 1919
Genus Monodia S.W.L. Jacobs, 1985
Genus Monopogon J.S. Presl in K.B. Presl, 1830 accepted as Tristachya C.G.D. Nees, 1829
Genus Monostachya Merrill, 1910 accepted as Rytidosperma Steudel, 1854
Genus Monostemon E. Hackel ex J.T. Henrard, 1921 accepted as Microbriza L.R. Parodi ex E.G. Nicora & Z.E. Rúgolo de Agrasar, 1981
Genus Monroa J. Torrey, 1857 accepted as Munroa J. Torrey, 1857
Genus Moorea Lemaire, 1855 accepted as Cortaderia O. Stapf, 1897
Genus Moorochloa J.F. Veldkamp, 2004
Genus Morronea F.O. Zuloaga & M.A. Scataglini, 2014 accepted as Panicum Linnaeus, 1753
Genus Mosdenia Stent, 1922
Genus Moulinsia Rafinesque, 1830 accepted as Aristida Linnaeus, 1753
Genus Muantijamuella Phipps, 1964 accepted as Muantijamvella Phipps, 1964
Genus Muantijamvella Phipps, 1964 accepted as Tristachya C.G.D. Nees, 1829
Genus Muehlenbergia R.A. Hedwig, 1806 accepted as Muhlenbergia Schreber, 1789
Genus Muhlenbergia Schreber, 1789
Genus Mullerochloa K.M. Wong, 2005
Genus Munroa J. Torrey, 1857
Genus Munroa E. Hackel, 1887
Genus Munroara M.H.J. van der Meer, 2019
Genus Munrochloa M. Kumar & M. Remesh, 2008 accepted as Pseudoxytenanthera T.R. Soderstrom & R.P. Ellis, 1988
Genus Mustelia A.J. Cavanilles ex E.G. von Steudel, 1840 accepted as Chusquea Kunth, 1822
Genus Mygalurus Link, 1821 accepted as Vulpia C.C. Gmelin, 1805
Genus Myriachaeta Moritzi, 1845-1846 accepted as Thysanolaena C.G.D. Nees, 1835
Genus Myriocladus Swallen, 1951
Genus Myriostachya (Bentham) J.D. Hooker, 1896
Genus Nabelekia R.Y. Roshevitz, 1937 accepted as Festuca Linnaeus, 1753
Genus Nanooravia M.S. Kiran Raj & M. Sivadasan, 2013
Genus Narduretia Huguet del Villar, 1925 accepted as Vulpia C.C. Gmelin, 1805
Genus Narduroides Rouy, 1913 accepted as Festuca Linnaeus, 1753
Genus Nardurus (Bluff, C.G.D. Nees & Schauer) H.G.L. Reichenbach, 1841 accepted as Vulpia C.C. Gmelin, 1805
Genus Nardus Linnaeus, 1753
Genus Narenga Bor, 1940 accepted as Saccharum Linnaeus, 1753
Genus Nassella (Trinius) Desvaux in C. Gay, 1854
Genus Nastus A.L. Jussieu, 1789
Genus Nastus Dioscorides ex J. Lunell, 1915 accepted as Cenchrus Linnaeus, 1753
Genus Natschia Bubani, 1901 accepted as Nardus Linnaeus, 1753
Genus Navicularia Raddi, 1823 accepted as Ichnanthus Palisot de Beauvois, 1812
Genus Nazia Adanson, 1763 accepted as Tragus A. Haller, 1768
Genus Neeragrostis Bush, 1903 accepted as Eragrostis N.M. Wolf, 1776
Genus Neesiochloa Pilger, 1940
Genus Negria Chiovenda, 1912 accepted as Lintonia Stapf, 1911
Genus Nemastachys Steudel, 1854 accepted as Microstegium C.G.D. Nees in J. Lindley, 1836
Genus Nematopoa C.E. Hubbard, 1957
Genus Neoaulacolepis S. Rauschert, 1982 accepted as Calamagrostis Adanson, 1763
Genus Neobambus Y.L. Keng ex P.C. Keng, 1948 accepted as Sinobambusa Makino ex Nakai, 1925
Genus Neobouteloua Gould, 1968
Genus Neoholubia N.N. Tzvelev, 2009 accepted as Helictotrichon Besser in J.A. Schultes & J.H. Schultes, 1827
Genus Neohouzeaua A. Camus, 1922 accepted as Schizostachyum C.G.D. Nees, 1829
Genus Neohusnotia A. Camus, 1921 accepted as Acroceras Stapf in D. Prain, 1920
Genus Neololeba E.A. Widjaja, 1997
Genus Neomicrocalamus P.C. Keng, 1983
Genus Neomolinia Honda & Sakisaka, 1930 accepted as Diarrhena Palisot de Beauvois, 1812
Genus Neosasamorpha Tatewaki, 1940 accepted as Sasa Makino & Shibata, 1901
Genus Neoschischkinia N.N. Cvelev, 1968 accepted as Agrostis Linnaeus, 1753
Genus Neosinocalamus P.C. Keng, 1983 accepted as Dendrocalamus C.G.D. Nees, 1835
Genus Neostapfia Burtt Davy, 1899
Genus Neostapfiella A. Camus, 1926
Genus Neotrinia (N.K. Tzvelev) M. Nobis, P.D. Gudkova & A. Nowak, 2019
Genus Nephelochloa Boissier, 1844
Genus Nestlera C.L. von Willdenow ex E.G. von Steudel, 1841 accepted as Bouteloua Lagasca, 1805
Genus Neurachne R. Brown, 1810
Genus Neurolepis Meisner, 1843
Genus Neuropoa W.D. Clayton, 1985
Genus Nevroctola Rafinesque, 1825 accepted as Uniola Linnaeus, 1753
Genus Nevroloma Rafinesque, 1819 accepted as Glyceria R. Brown, 1810
Genus Nevskiella Kreczetowicz & Vvedensky, 1934 accepted as Bromus Linnaeus, 1753
Genus Neyraudia J.D. Hooker, 1896
Genus Nianhochloa H.N. Nguyen & V.T. Tran, 2012
Genus Nicoraepoa R.J. Soreng & L.J. Gillespie, 2007
Genus Nipponobambusa Muroi, 1940 accepted as Sasa Makino & Shibata, 1901
Genus Nipponocalamus Nakai, 1942 accepted as Arundinaria A. Michaux, 1803
Genus Nivieria N.C. Seringe, 1842 accepted as Triticum Linnaeus, 1753
Genus Normanboria F. Butzin, 1978 accepted as Acrachne R. Wight & Arnott ex Chiovenda, 1907
Genus Nothoholcus Nash in N.L. Britton & A. Brown, 1913 accepted as Holcus Linnaeus, 1753
Genus Notholcus Nash ex Hitchcock in Jepson, 1912 accepted as Holcus Linnaeus, 1753
Genus Notochloe Domin, 1911
Genus Notodanthonia Zotov, 1963 accepted as Rytidosperma Steudel, 1854
Genus Notonema Rafinesque, 1830 accepted as Agrostis Linnaeus, 1753
Genus Nowodworskya J.S. Presl in K.B. Presl, 1830 accepted as Polypogon Desfontaines, 1798
Genus Ocellochloa F.O. Zuloaga & O. Morrone, 2009
Genus Ochlandra Thwaites, 1864
Genus Ochthochloa M.P. Edgeworth, 1842
Genus Ochthocloa M.P. Edgeworth, 1842
Genus Odinara M.H.J. van der Meer, 2019
Genus Odontelytrum Hackel, 1898
Genus Odyssea Stapf, 1922
Genus Oedipachne Link, 1827 accepted as Eriochloa Kunth in Humboldt, Bonpland & Kunth, 1816
Genus Oedochloa C. Silva & R.P. de Oliveira, 2015
Genus Oldeania C.M.A. Stapleton, 2013
Genus Oligostachyum Z.P. Wang & G.H. Ye, 1982 accepted as Arundinaria A. Michaux, 1803
Genus Olmeca T.R. Soderstrom, 1982
Genus Oloptum M. Röser & H.R. Hamasha in Hamasha & von Hagen, 2012
Genus Olyra Linnaeus, 1759
Genus Omeiocalamus P.C. Keng, 1983 accepted as Arundinaria A. Michaux, 1803
Genus Oncorachis O. Morrone & F.O. Zuloaga, 2009
Genus Onoea A.R. Franchet & P.A.L. Savatier, 1879 accepted as Diarrhena Palisot de Beauvois, 1812
Genus Ophiochloa T.S. Filgueiras, G. Davidse & F.O. Zuloaga, 1993
Genus Ophismenus J.L.M. Poiret, 1816 accepted as Oplismenus Palisot de Beauvois, 1810
Genus Ophiurinella Desvaux, 1831 accepted as Stenotaphrum Trinius, 1822
Genus Ophiuros C.F. Gaertner, 1805
Genus Opizia J.S. Presl in K.B. Presl, 1830 accepted as Bouteloua Lagasca, 1805
Genus Oplismenopsis Parodi, 1937
Genus Oplismenus Palisot de Beauvois, 1810
Genus Orcuttia Vasey, 1886
Genus Oreiostachys Gamble in Koorders, 1908 accepted as Nastus A.L. Jussieu, 1789
Genus Oreobambos K. Schumann, 1896
Genus Oreocalamus Y.L. Keng, 1940 accepted as Chimonobambusa Makino, 1914
Genus Oreochloa Link, 1827
Genus Oreopoa H. Scholz & G. Parolly, 2004
Genus Oreopoa M. Gandoger, 1891 accepted as Poa Linnaeus, 1753
Genus Orinus Hitchcock, 1933
Genus Ornithocephalochloa Kurz, 1875 accepted as Thuarea Persoon, 1805
Genus Ornithospermum Durande, 1782 accepted as Echinochloa Palisot de Beauvois, 1812
Genus Oropetium Trinius, 1820
Genus Orostachys E.G. von Steudel, 1841 accepted as Hordelymus (Jessen) Harz, 1885
Genus Orrhopygium Á. Löve, 1982 accepted as Aegilops Linnaeus, 1753
Genus Ortachne C.G.D. Nees ex Steudel, 1854
Genus Orthacanthus P.M. Peterson & K. Romaschenko, 2016
Genus Orthoclada Palisot de Beauvois, 1812
Genus Orthopogon R. Brown, 1810 accepted as Oplismenus Palisot de Beauvois, 1810
Genus Orthoraphium C.G.D. Nees, 1841 accepted as Stipa Linnaeus, 1753
Genus Oryticum C.P. Wang & S.H. Tang, 1982
Genus Oryza Linnaeus, 1753
Genus Oryzidium Hubbard & Schweickerdt, 1936
Genus Oryzopsis A. Michaux, 1803
Genus Osterdamia Necker ex O. Kuntze, 1891 accepted as Zoysia Willdenow, 1801
Genus Osvaldoa J.R. Grande, 2014 accepted as Panicum Linnaeus, 1753
Genus Otachyrium C.G.D. Nees, 1829
Genus Otatea (F.A. McClure & E.W. Smith) C.E. Calderón & T.R. Soderstrom, 1980
Genus Ottochloa Dandy, 1931
Genus Oxyanthe Steudel, 1854 accepted as Phragmites Adanson, 1763
Genus Oxychloris M. Lazarides, 1985
Genus Oxydenia Nuttall, 1818 accepted as Leptochloa Palisot de Beauvois, 1812
Genus Oxyrhachis Pilger, 1932
Genus Oxytenanthera Munro, 1868
Genus Pachea P.A. Pourret ex E.G. von Steudel, 1840 accepted as Crypsis W. Aiton, 1789
Genus Padia Moritzi, 1845-1846 accepted as Oryza Linnaeus, 1753
Genus Palaeoavena C. von Ettingshausen, 1890 †
Genus Palaeo-Avena C. von Ettingshausen, 1890 † accepted as Palaeoavena C. von Ettingshausen, 1890 †
Genus Palaeopyrum J. Schmalhausen, 1883 †
Genus Paleoeriocoma M.K. Elias, 1942 †
Genus Pallasia Scopoli, 1777 accepted as Crypsis W. Aiton, 1789
Genus Pamelara M.H.J. van der Meer, 2019
Genus Paneion Lunell, 1915 accepted as Poa Linnaeus, 1753
Genus Panicastrella Moench, 1794 accepted as Echinaria Desfontaines, 1799
Genus Panicularia Heister ex Fabricius, 1759 accepted as Poa Linnaeus, 1753
Genus Paniculum P. Arduino, 1764 accepted as Panicum Linnaeus, 1753
Genus Panicum Linnaeus, 1753
Genus Pantathera Philippi, 1856 accepted as Megalachne Steudel, 1854
Genus Pappagrostis R.Y. Roshevitz in R.Y. Roshevitz & B.K. Schischkin, 1934 accepted as Stephanachne Y.L. Keng, 1934
Genus Pappophorum Schreber, 1791
Genus Pappostipa (C.L. Spegazzini) K. Romaschenko, P.M. Peterson & R.J. Soreng, 2008
Genus Parabambusa E.A. Widjaja, 1997
Genus Paracolpodium (Tzvelev) Tzvelev in Tzvelev & Bolkhovskikh, 1965
Genus Paractaenum Palisot de Beauvois, 1812
Genus Paradupontopoa N.S. Probatova, 2006 accepted as Dupoa J. Cayouette & S.J. Darbyshire, 1993
Genus Parafestuca E.B. Alekseev, 1985 accepted as Koeleria Persoon, 1805
Genus Parahyparrhenia A. Camus, 1950
Genus Paramochloa P.M. Peterson, R.J. Soreng, K. Romaschenko & P. Barberá, 2019
Genus Paraneurachne S.T. Blake, 1972
Genus Parapholis Hubbard, 1946
Genus Paratheria Grisebach, 1866
Genus Parectenium O. Stapf, 1930 accepted as Paractaenum Palisot de Beauvois, 1812
Genus Pariana Aublet, 1775
Genus Parianella V.C. Hollowell, F.M. Ferreira & R.P. de Oliveira, 2013
Genus Parodiella J.R. Reeder & C.G. Reeder, 1968 accepted as Ortachne C.G.D. Nees ex Steudel, 1854
Genus Parodiochloa C.E. Hubbard in E.W. Groves, 1981 accepted as Poa Linnaeus, 1753
Genus Parodiochloa A.M. Molina, 1986 accepted as Koeleria Persoon, 1805
Genus Parodiolyra T.R. Soderstrom & F.O. Zuloga, 1989
Genus Parodiophyllochloa F.O. Zuloaga & O. Morrone in O. Morrone, S.S. Denham, S. Aliscioni & F.O. Zuloaga, 2008
Genus Parvotrisetum Chrtek, 1965 accepted as Trisetaria Forsskål, 1775
Genus Pascoleymus M.E. Barkworth, 2006
Genus Pascopyrum Á. Löve, 1980
Genus Paspalanthium Desvaux, 1831 accepted as Paspalum Linnaeus, 1759
Genus Paspalidium Stapf in Prain, 1920
Genus Paspalum Linnaeus, 1759
Genus Patellocalamus W.T. Lin, 1989 accepted as Ampelocalamus S.L. Chen, T.H. Wen & G.Y. Sheng, 1981
Genus Patis Ohwi, 1942 accepted as Stipa Linnaeus, 1753
Genus Patropyrum Á. Löve, 1982 accepted as Aegilops Linnaeus, 1753
Genus Patzkea G.H. Loos, 2010
Genus Pauneroa V. Lucía, E. Rico, K. Anamthawat-Jónsson & M.M. Martínez-Ortega, 2019
Genus Pechea P.A. Pourret ex K.S. Kunth, 1833 accepted as Crypsis W. Aiton, 1789
Genus Pectinaria (Bentham) Hackel in Engler & Prantl, 1887 accepted as Eremochloa L.H. Buse, 1854
Genus Peltophorus Desvaux, 1810 accepted as Manisuris Linnaeus, 1771
Genus Penicillaria Willdenow, 1809 accepted as Pennisetum L.C. Richard in Persoon, 1805
Genus Peniculus Swallen, 1932 accepted as Mesosetum Steudel, 1854
Genus Pennisetum L.C. Richard in Persoon, 1805
Genus Pentacraspedon Steudel, 1854 accepted as Amphipogon R. Brown, 1810
Genus Pentameris Palisot de Beauvois, 1812
Genus Pentapogon R. Brown, 1810
Genus Pentarrhaphis Kunth in Humboldt, Bonpland & Kunth, 1816 accepted as Bouteloua Lagasca, 1805
Genus Pentaschistis O. Stapf in Thiselton-Dyer, 1899
Genus Pentaschistis (C.G.D. Nees von Esenbeck) É. Spach, 1841 accepted as Pentameris Palisot de Beauvois, 1812
Genus Pentastachya C.F.F. Hochstetter ex E.G. von Steudel, 1841 accepted as Pennisetum L.C. Richard in Persoon, 1805
Genus Pentatherum Nábelek, 1929 accepted as Agrostis Linnaeus, 1753
Genus Pereilema J.S. Presl in K.B. Presl, 1830
Genus Periballia Trinius, 1820
Genus Peridictyon O. Seberg, S. Frederiksen & C. Baden, 1991
Genus Perlaria Heister ex Fabricius, 1763 accepted as Aegilops Linnaeus, 1753
Genus Perobachne J.S. Presl in K.B. Presl, 1830 accepted as Themeda Forsskål, 1775
Genus Perotis W. Aiton, 1789
Genus Perrierbambus A. Camus, 1924
Genus Perulifera A. Camus, 1928 accepted as Pseudechinolaena Stapf in Prain, 1919
Genus Petriella Zotov, 1943 accepted as Zotovia E. Edgar & H.E. Connor, 1998
Genus Petrina Phipps, 1964 accepted as Danthoniopsis Stapf, 1916
Genus Peyritschia E.P.N. Fournier, 1886
Genus Phacellaria C.L. von Willdenow ex E.G. von Steudel, 1841 accepted as Chloris O. Swartz, 1788
Genus Phacelurus Grisebach, 1846
Genus Phaenanthoecium Hubbard, 1936
Genus Phaenosperma Munro ex Bentham, 1881
Genus Phalarella P.E. Boissier, 1844 accepted as Phleum Linnaeus, 1753
Genus Phalaridantha Saint-Lager in Cariot, 1889 accepted as Phalaris Linnaeus, 1753
Genus Phalaridium C.G.D. Nees & Meyen, 1843 accepted as Dissanthelium Trinius, 1836
Genus Phalaris Linnaeus, 1753
Genus Phalaroides N.M. Wolf, 1776 accepted as Phalaris Linnaeus, 1753
Genus Phalona B.C.J. Dumortier, 1824 accepted as Cynosurus Linnaeus, 1753
Genus Phanopyrum (Rafinesque) Nash in J.K. Small, 1903
Genus Pharus P. Browne, 1756
Genus Pheidochloa S.T. Blake, 1944
Genus Phippsia R. Brown, 1823
Genus Phleum Linnaeus, 1753
Genus Phoenix Haller, 1768
Genus Pholiurus Trinius, 1820
Genus Phragmites Adanson, 1763
Genus Phuphanochloa S. Sungkaew & A. Teerawatananon, 2009
Genus Phyllorachis Trimen, 1879
Genus Phyllosasa J.-P. Demoly, 1995
Genus Phyllostachys Siebold & Zuccarini, 1843
Genus Pilgerochloa Eig, 1929 accepted as Ventenata G.L. Koeler, 1802
Genus Pinga E.A. Widjaja, 1997
Genus Piptatheropsis K. Romaschenko, P.M. Peterson & R.J. Soreng, 2011
Genus Piptatherum Palisot de Beauvois, 1812
Genus Piptochaetium J.S. Presl in K.B. Presl, 1830
Genus Piptophyllum C.E. Hubbard, 1957
Genus Piptostachya (C.E. Hubbard) Phipps, 1964 accepted as Zonotriche (C.E. Hubbard) Phipps, 1964
Genus Piresia Swallen, 1964
Genus Piresiella E.J. Judziewicz, F.O. Zuloaga & O. Morrone in F.O. Zuloaga et al., 1993
Genus Pithecurus C.L. von Willdenow ex K.S. Kunth, 1829 accepted as Schizachyrium C.G.D. Nees, 1829
Genus Plagiantha S.A. Renvoize, 1982
Genus Plagiarthron P.A. Duvigneaud, 1958 accepted as Loxodera Launert, 1963
Genus Plagiochloa R.S. Adamson & T.A. Sprague, 1941 accepted as Tribolium Desvaux, 1831
Genus Plagiolytrum C.G.D. Nees, 1841 accepted as Tripogon J.J. Roemer & J.A. Schultes, 1817
Genus Plagiosetum Bentham, 1877 accepted as Paractaenum Palisot de Beauvois, 1812
Genus Planichloa B.K. Simon, 1986
Genus Planotia Munro, 1868 accepted as Neurolepis Meisner, 1843
Genus Plantinia Bubani, 1901 accepted as Phleum Linnaeus, 1753
Genus Platonia Kunth, 1829 accepted as Neurolepis Meisner, 1843
Genus Plazerium C.L. von Willdenow ex K.S. Kunth, 1833 accepted as Eriochrysis Palisot de Beauvois, 1812
Genus Plectrachne Henrard in Schinz, 1929 accepted as Triodia R. Brown, 1810
Genus Pleiadelphia Stapf, 1927 accepted as Elymandra Stapf in D. Prain, 1919
Genus Pleioblastus Nakai, 1925 accepted as Arundinaria A. Michaux, 1803
Genus Pleiodon H.G.L. Reichenbach, 1841 accepted as Bouteloua Lagasca, 1805
Genus Pleioneura (C.E. Hubbard) J.B. Phipps, 1972 accepted as Danthoniopsis Stapf, 1916
Genus Pleiopseudosasa M. Kobayashi & Kashiwagi in Kobayashi, 2019
Genus Pleopogon Nuttall, 1848 accepted as Lycurus Kunth in Humboldt, Bonpland & Kunth, 1816
Genus Pleuraphis Torrey, 1824
Genus Pleuroplitis Trinius, 1820 accepted as Arthraxon Palisot de Beauvois, 1812
Genus Pleuropogon R. Brown, 1823
Genus Plinthanthesis Steudel, 1853
Genus Plotia J.C.D. von Schreber ex E.G. von Steudel, 1841 accepted as Glyceria R. Brown, 1810
Genus Poa Linnaeus, 1753
Genus Poagris Rafinesque, 1837 accepted as Poa Linnaeus, 1753
Genus Poagrostis Stapf in Thiselton-Dyer, 1899 accepted as Pentameris Palisot de Beauvois, 1812
Genus Poagrostis B.S. Charitontcev, 2013
Genus Poarion H.G.L. Reichenbach, 1829 accepted as Rostraria Trinius, 1820
Genus Pobeguinea Jacques-Félix, 1950 accepted as Anadelphia Hackel, 1885
Genus Podagrostis (Grisebach) Scribner & Merrill, 1910 accepted as Agrostis Linnaeus, 1753
Genus Podagrostris accepted as Podagrostis (Grisebach) Scribner & Merrill, 1910
Genus Podionapus Dulac, 1867 accepted as Deschampsia Palisot de Beauvois, 1812
Genus Podophorus Philippi, 1856
Genus Podopogon Rafinesque, 1825 accepted as Piptochaetium J.S. Presl in K.B. Presl, 1830
Genus Podosemum Desvaux, 1810 accepted as Muhlenbergia Schreber, 1789
Genus Poecilostachys Hackel, 1884
Genus Pogochloa S. Moore, 1895 accepted as Gouinia E.P.N. Fournier in Bentham & J.D. Hooker, 1883
Genus Pogonachne Bor, 1949
Genus Pogonarthria Stapf in Thiselton-Dyer, 1898
Genus Pogonatherum Palisot de Beauvois, 1812
Genus Pogoneura Napper accepted as Pogononeura Napper, 1963
Genus Pogonochloa Hubbard, 1940
Genus Pogononeura Napper, 1963
Genus Pogonopsis J.S. Presl in K.B. Presl, 1830 accepted as Pogonatherum Palisot de Beauvois, 1812
Genus Pohlidium G. Davidse, T.R. Soderstrom & R.P. Ellis, 1986
Genus Poidium C.G.D. Nees in Lindley, 1836
Genus Polevansia B. de Winter, 1966
Genus Pollinia Trinius, 1833 accepted as Microstegium C.G.D. Nees in J. Lindley, 1836
Genus Pollinia K.P.J. Sprengel, 1815 accepted as Chrysopogon Trinius, 1820
Genus Pollinidium Stapf ex Haines, 1924 accepted as Eulaliopsis Honda, 1923
Genus Polliniopsis Hayata, 1918
Genus Polyantherix C.G.D. Nees, 1838 accepted as Elymus Linnaeus, 1753
Genus Polyanthus Y.C. Hu, 1991 accepted as Arundinaria A. Michaux, 1803
Genus Polyneura Peter, 1930 accepted as Panicum Linnaeus, 1753
Genus Polyodon Kunth in Humboldt, Bonpland & Kunth, 1816 accepted as Bouteloua Lagasca, 1805
Genus Polypogon Desfontaines, 1798
Genus Polypogonagrostis (P. Ascherson & P. Graebner) Maire & Weiller, 1953 accepted as Agropogon P. Fournier, 1934
Genus Polyraphis (von Trinius) J. Lindley, 1847 accepted as Pappophorum Schreber, 1791
Genus Polyrhaphis Lindley, 1846 accepted as Pappophorum Schreber, 1791
Genus Polyschistis J.S. Presl in K.B. Presl, 1830 accepted as Bouteloua Lagasca, 1805
Genus Polytoca R. Brown in J.J. Bennett & R. Brown, 1838
Genus Polytrias Hackel in Engler & Prantl, 1887
Genus Pommereulla Linnaeus f., 1779
Genus Ponceletia Du Petit-Thouars, 1808 accepted as Spartina Schreber, 1789
Genus Pooideites A. Straus, 1969 †
Genus Poranthera Rafinesque, 1830 accepted as Sorghastrum Nash in N.L. Britton, 1901
Genus Porroteranthe Steudel, 1854 accepted as Glyceria R. Brown, 1810
Genus Porteresia Tateoka, 1965
Genus Potamochloa W. Griffith, 1836 accepted as Hygroryza C.G.D. Nees in R. Wight & Arnott, 1833
Genus Potamophila R. Brown, 1810
Genus Pratochloa L. Hardion in Hardion et al., 2018
Genus Pratochloa L. Hardion in Hardion et al., 2017 accepted as Pratochloa L. Hardion in Hardion et al., 2018
Genus Preissia P.M. Opiz, 1852 accepted as Avena Linnaeus, 1753
Genus Pringleochloa Scribner, 1896 accepted as Bouteloua Lagasca, 1805
Genus Prionachne C.G.D. Nees in Lindley, 1836 accepted as Prionanthium Desvaux, 1831
Genus Prionanthium Desvaux, 1831 accepted as Pentameris Palisot de Beauvois, 1812
Genus Prosphysis Dulac, 1867 accepted as Vulpia C.C. Gmelin, 1805
Genus Prosphytochloa Schweickerdt, 1961
Genus Psamma Palisot de Beauvois, 1812 accepted as Ammophila Host, 1809
Genus Psammagrostis C.A. Gardner & Hubbard, 1938
Genus Psammochloa Hitchcock, 1927
Genus Psammophila J.A. Schultes, 1822 accepted as Spartina Schreber, 1789
Genus Psammopyrum Á. Löve, 1986 accepted as Thinopyrum Á. Löve, 1980
Genus Psathyrostachys S.A. Nevski ex R.Y. Roshevitz in Roshevitz & Schischkin, 1934
Genus Psendosecale (Godron) Degen, 1936 accepted as Dasypyrum (Cosson & Durieu) T. Durand, 1888
Genus Pseudanthistiria (Hackel) J.D. Hooker, 1896
Genus Pseudarrhenatherum Rouy, 1921 accepted as Helictotrichon Besser in J.A. Schultes & J.H. Schultes, 1827
Genus Pseudechinolaena Stapf in Prain, 1919
Genus Pseudelymus M.E. Barkworth & D.R. Dewey in M.E. Barkworth, D.R. Dewey & R.J. Atkins, 1983
Genus Pseudobambusa Nguyen, 1991
Genus Pseudobrachiaria E. Launert, 1970 accepted as Brachiaria (Trinius) Grisebach in Ledebour, 1853
Genus Pseudobromus Schumann in Engler, 1895 accepted as Festuca Linnaeus, 1753
Genus Pseudochaetochloa Hitchcock, 1924
Genus Pseudocoix A. Camus, 1924 accepted as Hickelia A. Camus, 1924
Genus Pseudodanthonia N.L. Bor & C.E. Hubbard, 1958
Genus Pseudodichanthium Bor, 1940
Genus Pseudoeriocoma K. Romaschenko, P.M. Peterson & R.J. Soreng in Peterson et al., 2019
Genus Pseudolasiacis (A. Camus) A. Camus, 1945 accepted as Lasiacis (Grisebach) Hitchcock, 1910
Genus Pseudopentameris H.J. Conert, 1971
Genus Pseudophacelurus A. Camus, 1921 accepted as Phacelurus Grisebach, 1846
Genus Pseudophleum M. Dogan, 1982 accepted as Phleum Linnaeus, 1753
Genus Pseudopogonatherum A. Camus, 1921
Genus Pseudoraphis W. Griffith ex Pilger, 1928
Genus Pseudoroegneria (S.A. Nevski) Á. Löve, 1980
Genus Pseudoroelymus
Genus Pseudoroetrigia
Genus Pseudoryza W. Griffith, 1851 accepted as Leersia O. Swartz, 1788
Genus Pseudosasa Makino ex Nakai, 1925
Genus Pseudosclerochloa N.N. Tzvelev, 2004 accepted as Puccinellia Parlatore, 1848
Genus Pseudosecale (Godron) Degen, 1936 accepted as Dasypyrum (Cosson & Durieu) T. Durand, 1888
Genus Pseudosorghum A. Camus, 1921
Genus Pseudostachyum Munro, 1868
Genus Pseudostreptogyne A. Camus, 1930 accepted as Streblochaete Hochstetter ex Pilger, 1906
Genus Pseudotenanthera R.B. Majumdar, 1989
Genus Pseudotrachys M.A. Kumar & B.R.P. Rao in Kumar et al., 2023
Genus Pseudovossia A. Camus, 1921 accepted as Phacelurus Grisebach, 1846
Genus Pseudoxytenanthera T.R. Soderstrom & R.P. Ellis, 1988
Genus Pseudozoysia Chiovenda, 1928
Genus Psilantha (K.H.E. Koch) N.N. Cvelev, 1968 accepted as Eragrostis N.M. Wolf, 1776
Genus Psilathera Link, 1827 accepted as Sesleria Scopoli, 1760
Genus Psilochloa E. Launert, 1970 accepted as Panicum Linnaeus, 1753
Genus Psilolemma S.M. Phillips, 1974
Genus Psilopogon Hochstetter in C.F.F. Krauss, 1846 accepted as Leptatherum C.G.D. Nees, 1841
Genus Psilostachys Steudel, 1854 accepted as Dimeria R. Brown, 1810
Genus Psilurus Trinius, 1820
Genus Pterium Desvaux, 1813 accepted as Lamarckia C. Moench, 1794
Genus Pterochlaena Chiovenda, 1914 accepted as Alloteropsis J.S. Presl in K.B. Presl, 1830
Genus Pterochloris (A. Camus) A. Camus, 1957 accepted as Chloris O. Swartz, 1788
Genus Pteropodium C.L. von Willdenow ex E.G. von Steudel, 1841 accepted as Calamagrostis Adanson, 1763
Genus Pterygostachyum C.G.D. Nees ex Steudel, 1854 accepted as Dimeria R. Brown, 1810
Genus Ptilagrostiella K. Romaschenko, P.M. Peterson & R.J. Soreng in Peterson et al., 2019
Genus Ptilagrostis Grisebach in Ledebour, 1852
Genus Ptilagrostris accepted as Ptilagrostis Grisebach in Ledebour, 1852
Genus Ptiloneilema Steudel, 1854 accepted as Melanocenchris C.G.D. Nees, 1841
Genus Ptilonema J.D. Hooker, 1896 accepted as Melanocenchris C.G.D. Nees, 1841
Genus Puccinellia Parlatore, 1848
Genus Pucciphippsia N.N. Tzvelev, 1971
Genus Puelia Franchet, 1887
Genus Puliculum Stapf ex Haines, 1924 accepted as Eulalia Kunth, 1829
Genus Pyrrhanthera Zotov, 1963 accepted as Rytidosperma Steudel, 1854
Genus Qiongzhuea J.R. Xue & T.P. Yi, 1980 accepted as Chimonobambusa Makino, 1914
Genus Rabdochloa Palisot de Beauvois, 1812 accepted as Leptochloa Palisot de Beauvois, 1812
Genus Racemobambos Holttum, 1956
Genus Raddia Bertoloni, 1819
Genus Raddia Mazziari, 1834 accepted as Crypsis W. Aiton, 1789
Genus Raddiella Swallen in Maguire et al., 1948
Genus Raimundochloa A.M. Molina, 1987 accepted as Koeleria Persoon, 1805
Genus Ramosia Merrill, 1916 accepted as Centotheca Desvaux, 1810
Genus Raram Adanson, 1763 accepted as Cenchrus Linnaeus, 1753
Genus Raspailia J.S. Presl & C.B. Presl, 1830 accepted as Polypogon Desfontaines, 1798
Genus Rattraya J.B. Phipps, 1964 accepted as Danthoniopsis Stapf, 1916
Genus Ratzeburgia Kunth, 1831 accepted as Mnesithea Kunth, 1829
Genus Ravenochloa D.-Z. Li & Y.-X. Zhang in Zhang et al., 2020
Genus Reana Brignoli, 1849 accepted as Zea Linnaeus, 1753
Genus Rebentischia P.M. Opiz, 1854 accepted as Trisetum Persoon, 1805
Genus Reboulea Kunth, 1830 accepted as Sphenopholis Lamson-Scribner, 1906
Genus Redfieldia Vasey, 1887
Genus Reederochloa Soderstrom & H.F. Decker, 1964 accepted as Distichlis Rafinesque, 1819
Genus Rehia F. Fijten, 1975
Genus Reimaria Humboldt & Bonpland ex Flügge, 1810 accepted as Paspalum Linnaeus, 1759
Genus Reimarochloa Hitchcock, 1909
Genus Reimbolea O. Debeaux, 1890
Genus Reitzia Swallen, 1956
Genus Relchela Steudel, 1854
Genus Rendlia Chiovenda, 1914 accepted as Microchloa R. Brown, 1810
Genus Renvoizea F.O. Zuloaga & O. Morrone in S.M. Sede, O. Morrone, L.M. Giussani & F.O. Zuloaga, 2008
Genus Rettbergia Raddi, 1823 accepted as Chusquea Kunth, 1822
Genus Reynaudia Kunth, 1829
Genus Rhachidospermum Vasey, 1890 accepted as Jouvea E.P.N. Fournier, 1876
Genus Rhampholepis Stapf in Prain, 1917 accepted as Sacciolepis Nash in N.L. Britton, 1901
Genus Rhaphis Loureiro, 1790 accepted as Chrysopogon Trinius, 1820
Genus Rheochloa T.S. Filgueiras, P.M. Peterson & Y. Herrera-Arrieta, 1999
Genus Rhiniachne C.F.F. Hochstetter ex E.G. von Steudel, 1854 accepted as Thelepogon Roth ex J.J. Roemer & J.A. Schultes, 1817
Genus Rhipidocladum F.A. McClure, 1973
Genus Rhizocaulon Saporta in Heer, 1861 †
Genus Rhizocephalus Boissier, 1844
Genus Rhombolytrum Link, 1833
Genus Rhynchelythrum C.G.D. Nees in Lindley, 1836 accepted as Melinis Palisot de Beauvois, 1812
Genus Rhynchelytrum C.G.D. Nees, 1836 accepted as Melinis Palisot de Beauvois, 1812
Genus Rhynchoryza Baillon, 1893
Genus Rhytachne Desvaux ex W. Hamilton, 1825
Genus Rhytidachne K.M. Schumann accepted as Rhytachne Desvaux ex W. Hamilton, 1825
Genus Richardsiella J. Elffers & J. Kennedy-O'Byrne, 1957
Genus Riedelia K.S. Kunth, 1833 accepted as Arundinella Raddi, 1823
Genus Ripidium Trinius, 1820 accepted as Saccharum Linnaeus, 1753
Genus Robynsiochloa H. Jacques-Félix, 1960 accepted as Rottboellia Linnaeus f., 1782
Genus Roegneria K.H.E. Koch, 1848 accepted as Elymus Linnaeus, 1753
Genus Roemeria J.J. Roemer & J.A. Schultes, 1817 accepted as Diarrhena Palisot de Beauvois, 1812
Genus Rosengurttia L.N. da Silva in da Silva et al., 2021
Genus Roshevitzia N.N. Cvelev, 1968 accepted as Eragrostis N.M. Wolf, 1776
Genus Rostraria Trinius, 1820
Genus Rothia Borkhausen, 1792 accepted as Mibora Adanson, 1763
Genus Rottboella Linnaeus f., 1782
Genus Rottboellia Linnaeus f., 1782
Genus Rouxia Husnot, 1899
Genus Roylea C.G.D. Nees von Esenbeck ex E.G. von Steudel, 1841 accepted as Melanocenchris C.G.D. Nees, 1841
Genus Rubimons B.S. Sun in B.S. Sun & S. Wang, 1997
Genus Rugoloa F.O. Zuloaga, 2014 accepted as Panicum Linnaeus, 1753
Genus Ruhooglandia S. Dransfield & K.M. Wong, 2016
Genus Runcina F. Allamand, 1770
Genus Rupestrina Provancher, 1862 accepted as Trisetum Persoon, 1805
Genus Rupichloa D.L. Salariato & O. Morrone, 2009 accepted as Urochloa Palisot de Beauvois, 1812
Genus Rytidosperma Steudel, 1854
Genus Rytilix Rafinesque ex Hitchcock, 1920 accepted as Mnesithea Kunth, 1829
Genus Sabsab Adanson, 1763 accepted as Paspalum Linnaeus, 1759
Genus Saccharifera Stokes, 1812 accepted as Saccharum Linnaeus, 1753
Genus Saccharum Linnaeus, 1753
Genus Sacciolepis Nash in N.L. Britton, 1901
Genus Salmasia Bubani, 1901 accepted as Aira Linnaeus, 1753
Genus Sanguinaria Bubani, 1901 accepted as Digitaria A. Haller, 1768
Genus Sanguinella Gleichen, 1764 accepted as Digitaria A. Haller, 1768
Genus Santia Savi, 1799 accepted as Polypogon Desfontaines, 1798
Genus Sarga Ewart, 1911 accepted as Sorghum Moench, 1794
Genus Sarocalamus C.M.A. Stapleton, 2004
Genus Sartidia de Winter, 1963
Genus Sasa Makino & Shibata, 1901
Genus Sasaella Makino, 1929 accepted as Sasa Makino & Shibata, 1901
Genus Sasamorpha Nakai in Miyabe & Kudo, 1931 accepted as Sasa Makino & Shibata, 1901
Genus Saugetia Hitchcock & Chase, 1917 accepted as Enteropogon C.G.D. Nees in Lindley, 1836
Genus Savastana F.P. Schrank, 1789 accepted as Anthoxanthum Linnaeus, 1753
Genus Saxipoa R.J. Soreng, L.J. Gillespie & S.W.L. Jacobs, 2009
Genus Schaffnera Bentham, 1882 accepted as Schaffnerella Nash, 1912
Genus Schaffnerella Nash, 1912
Genus Schedolium J. Holub, 1998 accepted as Festulolium P. Ascherson & P. Graebner, 1902
Genus Schedololium R.J. Soreng & E.E. Terrell, 1998 accepted as Festulolium P. Ascherson & P. Graebner, 1902
Genus Schedonnardus Steudel, 1854
Genus Schedonorus Palisot de Beauvois, 1812 accepted as Festuca Linnaeus, 1753
Genus Schellingia Steudel, 1850 accepted as Aegopogon Humboldt & Bonpland ex Willdenow, 1806
Genus Schenckochloa J.J. Ortíz, 1991 accepted as Gouinia E.P.N. Fournier in Bentham & J.D. Hooker, 1883
Genus Schirostachyum de Vriese accepted as Schizostachyum C.G.D. Nees, 1829
Genus Schismus Palisot de Beauvois, 1812
Genus Schistachne Figari & De Notaris, 1852 accepted as Stipagrostis C.G.D. Nees, 1832
Genus Schizachne Hackel, 1909
Genus Schizachyrium C.G.D. Nees, 1829
Genus Schizopogon H.G.L. Reichenbach ex K.P.J. Sprengel, 1830 accepted as Schizachyrium C.G.D. Nees, 1829
Genus Schizostachyum C.G.D. Nees, 1829
Genus Schleropelta Buckley, 1866 accepted as Hilaria Kunth in Humboldt, Bonpland & Kunth, 1816
Genus Schmidiella J.F. Veldkamp, 2018.
Genus Schmidtia Trattinick, 1816 accepted as Coleanthus W.B. Seidl in J.J. Roemer & J.A. Schultes, 1817
Genus Schmidtia Steudel ex J.A. Schmidt, 1852
Genus Schmiedtia C.S. Rafinesque accepted as Coleanthus W.B. Seidl in J.J. Roemer & J.A. Schultes, 1817
Genus Schnizleinia E.G. von Steudel, 1840 accepted as Boissiera Hochstetter ex Steudel, 1840
Genus Schoenanthus Adanson, 1763 accepted as Ischaemum Linnaeus, 1753
Genus Schoenantus Adanson, 1763
Genus Schoenefeldia Kunth, 1829
Genus Schoenefeldiella P.M. Peterson in Peterson et al., 2021
Genus Schoenodorus J.J. Roemer & J.A. Schultes, 1817 accepted as Festuca Linnaeus, 1753
Genus Schultesia K.P.J. Sprengel, 1815 accepted as Eustachys Desvaux, 1810
Genus Sciadonardus E.G. von Steudel, 1850 accepted as Gymnopogon Palisot de Beauvois, 1812
Genus Scirpobambus C.E.O. Kuntze, 1903 accepted as Oxytenanthera Munro, 1868
Genus Sclerachne R. Brown in J.J. Bennett & R. Brown, 1838 accepted as Chionachne R. Brown in J.J. Bennett & R. Brown, 1838
Genus Sclerachne Torrey ex Trinius, 1841 accepted as Limnodea L.H. Dewey in J.M. Coulter, 1894
Genus Sclerandrium Stapf & Hubbard, 1935 accepted as Germainia Balansa & Poitrasson, 1873
Genus Sclerochlamys O. Morrone & F.O. Zuloaga, 2009 accepted as Keratochlaena O. Morrone & F.O. Zuloaga, 2009
Genus Sclerochloa Palisot de Beauvois, 1812
Genus Sclerodactylon Stapf, 1911
Genus Sclerodeyeuxia Pilger, 1947 accepted as Calamagrostis Adanson, 1763
Genus Sclerolaena Boivin ex A.A. Camus, 1925 accepted as Cyphochlaena Hackel, 1901
Genus Sclerophyllum W. Griffith, 1851 accepted as Porteresia Tateoka, 1965
Genus Scleropoa Grisebach, 1846 accepted as Catapodium Link, 1827
Genus Scleropogon Philippi, 1870
Genus Sclerostachya (Andersson ex Hackel) A. Camus in Lecomte, 1922
Genus Sclerostachys accepted as Miscanthus N.J. Andersson, 1855
Genus Sclerostachyum Stapf ex Ridley, 1925 accepted as Miscanthus N.J. Andersson, 1855
Genus Scolochloa Link, 1827
Genus Scolochloa Mertens & W.D.J. Koch, 1823 accepted as Arundo Linnaeus, 1753
Genus Scribneria Hackel, 1886
Genus Scrotochloa E.J. Judziewicz, 1984
Genus Scutachne Hitchcock & Chase, 1911
Genus Secale Linnaeus, 1753
Genus Secalidium P.J.F. Schur, 1853 accepted as Dasypyrum (Cosson & Durieu) T. Durand, 1888
Genus Secalotricum Kostoff, 1936 accepted as Triticosecale A. Camus, 1927
Genus Sehima Forsskål, 1775
Genus Semeiostachys Drobov, 1941 accepted as Elymus Linnaeus, 1753
Genus Semiarundinaria Makino ex Nakai, 1925
Genus Senisetum Honda, 1932 accepted as Agrostis Linnaeus, 1753
Genus Senites Adanson, 1763 accepted as Zeugites P. Browne, 1756
Genus Sennenia C. Pau ex Sennen, 1908 accepted as Trisetaria Forsskål, 1775
Genus Sericrostis Rafinesque, 1825 accepted as Muhlenbergia Schreber, 1789
Genus Sericura Hasskarl, 1842 accepted as Pennisetum L.C. Richard in Persoon, 1805
Genus Serigrostis E.G. von Steudel, 1841 accepted as Muhlenbergia Schreber, 1789
Genus Serrafalcus Parlatore, 1840 accepted as Bromus Linnaeus, 1753
Genus Sesleria Scopoli, 1760
Genus Sesleriella Deyl, 1946 accepted as Sesleria Scopoli, 1760
Genus Setaria Palisot de Beauvois, 1812
Genus Setariopsis Scribner ex Millspaugh, 1896
Genus Setiacis S.L. Chen & Y.X. Jin, 1988 accepted as Panicum Linnaeus, 1753
Genus Setosa Ewart in Ewart & Davies, 1917 accepted as Chamaeraphis R. Brown, 1810
Genus Shibataea Makino ex Nakai, 1933
Genus Sibertia E.G. von Steudel, 1853-1854 accepted as Bromus Linnaeus, 1753
Genus Sibirotrisetokoeleria V.V. Chepinoga in Chepinoga et al., 2023
Genus Sibirotrisetum P. Barberá, R.J. Soreng, K. Romaschenko, A. Quintanar & P.M. Peterson, 2019
Genus Sieglingia Bernhardi, 1800 accepted as Danthonia A.P. de Candolle in Lamarck & A.P. de Candolle, 1805
Genus Silentvalleya V.J. Nair, P.V. Sreekumar, E. Vajravelu & P. Bhargavan, 1983
Genus Simonachne E.J. Thompson, 2022
Genus Simplicia Kirk, 1897
Genus Sinarundinaria Nakai, 1935 accepted as Fargesia A.R. Franchet, 1893
Genus Sinoarundinaria Ohwi in Mayebara, 1931 accepted as Phyllostachys Siebold & Zuccarini, 1843
Genus Sinobambusa Makino ex Nakai, 1925
Genus Sinocalamus McClure, 1940 accepted as Dendrocalamus C.G.D. Nees, 1835
Genus Sinochasea Y.L. Keng, 1958 accepted as Pseudodanthonia N.L. Bor & C.E. Hubbard, 1958
Genus Sinosasa L.-C. Chia ex N.-H. Xia, Q.-M. Qin & Y.-H. Tong, 2021
Genus Sirochloa S. Dransfield, 2002
Genus Sitanion Rafinesque, 1819 accepted as Elymus Linnaeus, 1753
Genus Sitopsis (Jaubert & Spach) Á. Löve, 1982 accepted as Aegilops Linnaeus, 1753
Genus Sitordeum W.M. Bowden, 1967
Genus Sitospelos Adanson, 1763 accepted as Elymus Linnaeus, 1753
Genus Smidetia Rafinesque, 1840 accepted as Coleanthus W.B. Seidl in J.J. Roemer & J.A. Schultes, 1817
Genus Snowdenia Hubbard, 1929
Genus Soderstromia C.V. Morton, 1966 accepted as Bouteloua Lagasca, 1805
Genus Soejatmia K.M. Wong, 1993
Genus Sohnsia Airy Shaw, 1965
Genus Sokinochloa S. Dransfield, 2016
Genus Solenachne Steudel, 1853 accepted as Spartina Schreber, 1789
Genus Solenophyllum H.E. Baillon, 1893 accepted as Monanthochloe Engelmann, 1859
Genus Sorengia F.O. Zuloaga & O. Morrone in F.O. Zuloaga, M.A. Scataglini & O. Morrone, 2010 accepted as Coleataenia Grisebach, 1879
Genus Sorgharum M.H.J. van der Meer, 2019
Genus Sorghastrum Nash in N.L. Britton, 1901
Genus Sorghum Moench, 1794
Genus Sorghyza M.H.J. van der Meer, 2019
Genus Sorgum Adanson, 1763 accepted as Holcus Linnaeus, 1753
Genus Sparteum A.M.F.J. Palisot de Beauvois, 1812 accepted as Stipa Linnaeus, 1753
Genus Spartina Schreber, 1789
Genus Spartochloa C.E. Hubbard, 1952
Genus Spartum A.M.F.J. Palisot de Beauvois, 1812 accepted as Lygeum Loefling ex Linnaeus, 1754
Genus Spathia Ewart in Ewart & Davies, 1917
Genus Spelta N.M. Wolf, 1776 accepted as Triticum Linnaeus, 1753
Genus Spermachiton Llanos, 1851 accepted as Sporobolus R. Brown, 1810
Genus Spermatochiton R.K.F. Pilger accepted as Spermachiton Llanos, 1851
Genus Sphaerella Bubani, 1901 accepted as Airopsis Desvaux, 1809
Genus Sphaerium O. Kuntze, 1891 accepted as Coix Linnaeus, 1753
Genus Sphaerobambos S. Dransfield, 1989
Genus Sphaerocaryum C.G.D. Nees ex J.D. Hooker, 1896
Genus Spheneria Kuhlmann, 1922
Genus Sphenopholis Lamson-Scribner, 1906
Genus Sphenopus Trinius, 1820
Genus Spinifex Linnaeus, 1771
Genus Spirochloe Lunell, 1915 accepted as Schedonnardus Steudel, 1854
Genus Spirotheros Rafinesque, 1830 accepted as Heteropogon Persoon, 1807
Genus Spodiopogon Trinius, 1820
Genus Sporichloe R.K.F. Pilger accepted as Spirochloe Lunell, 1915
Genus Sporobolus R. Brown, 1810
Genus Stapfia Burtt Davy, 1898 accepted as Neostapfia Burtt Davy, 1899
Genus Stapfiola O. Kuntze in Post & O. Kuntze, 1903 accepted as Desmostachya (Stapf) Stapf in Thiselton-Dyer, 1898
Genus Stapletonia P. Singh, S.S. Dash & P. Kumari, 2009
Genus Stegosia Loureiro, 1790 accepted as Rottboellia Linnaeus f., 1782
Genus Steinchisma Rafinesque, 1830
Genus Steirachne Ekman, 1911
Genus Stelephuros Adanson, 1763 accepted as Phleum Linnaeus, 1753
Genus Stemmatospermum Palisot de Beauvois, 1812 accepted as Nastus A.L. Jussieu, 1789
Genus Stenochloa Nuttall, 1848 accepted as Dissanthelium Trinius, 1836
Genus Stenofestuca (Honda) Nakai, 1950 accepted as Bromus Linnaeus, 1753
Genus Stenostachys Turczaninow, 1862
Genus Stenotaphrum Trinius, 1822
Genus Stephanachne Y.L. Keng, 1934
Genus Stephanostachys F.O. Zuloaga & O. Morrone in F.O. Zuloaga, M.A. Scataglini & O. Morrone, 2010
Genus Stephostachys F.O. Zuloaga & O. Morrone, 2010 accepted as Panicum Linnaeus, 1753
Genus Stereochlaena Hackel, 1908
Genus Steudelella Honda, 1930 accepted as Sphaerocaryum C.G.D. Nees ex J.D. Hooker, 1896
Genus Steyermarkochloa G. Davidse & R.P. Ellis, 1985
Genus Stiburus Stapf in Thiselton-Dyer, 1900 accepted as Eragrostis N.M. Wolf, 1776
Genus Stilpnophleum Nevski, 1937 accepted as Calamagrostis Adanson, 1763
Genus Stipa Linnaeus, 1753
Genus Stipagrostis C.G.D. Nees, 1832
Genus Stipavena Vierhapper in Halacsy, 1906 accepted as Helictotrichon Besser in J.A. Schultes & J.H. Schultes, 1827
Genus Stipella (N.N. Tzvelev) M. Röser & H.R. Hamasha, 2012 accepted as Stipellula M. Röser & H.R. Hamasha, 2012
Genus Stipella (N.N. Tzvelev) N.N. Tzvelev, 2012 accepted as Stipellula M. Röser & H.R. Hamasha, 2012
Genus Stipellula M. Röser & H.R. Hamasha, 2012
Genus Stipidium M.K. Elias, 1942 †
Genus Stiporyzopsis B.L. Johnson & Rogler, 1943
Genus Stolonochloa E.J. Thompson, 2022
Genus Streblochaete Hochstetter ex Pilger, 1906
Genus Strephium Schrader ex C.G.D. Nees, 1829 accepted as Raddia Bertoloni, 1819
Genus Streptachne R. Brown, 1810 accepted as Aristida Linnaeus, 1753
Genus Streptia J.C. Döll in C.F.P. von Martius, 1880 accepted as Streptogyna Palisot de Beauvois, 1812
Genus Streptia L.C.M. Richard ex J.D. Hooker, 1896 accepted as Streptogyna Palisot de Beauvois, 1812
Genus Streptochaeta Schrader ex C.G.D. Nees, 1829
Genus Streptogyna Palisot de Beauvois, 1812
Genus Streptolophus Hughes, 1923
Genus Streptostachis Desvaux, 1810 accepted as Streptostachys Desvaux, 1810
Genus Streptostachys Desvaux, 1810
Genus Streptostachys Palisot de Beauvois, 1812
Genus Strombodurus C.L. von Willdenow ex E.G. von Steudel, 1841 accepted as Bouteloua Lagasca, 1805
Genus Stupa P. Ascherson, 1864 accepted as Stipa Linnaeus, 1753
Genus Sturmia Hoppe in J. Sturm, 1799 accepted as Mibora Adanson, 1763
Genus Stylagrostis Mez, 1922 accepted as Calamagrostis Adanson, 1763
Genus Styppeiochloa B. de Winter, 1966
Genus Suardia Schrank, 1820 accepted as Melinis Palisot de Beauvois, 1812
Genus Sucrea T.R. Soderstrom, 1981
Genus Suddia S.A. Renvoize in S.A. Renvoize, J.M. Lock & P. Denny, 1984
Genus Swallenia Soderstrom & H.F. Decker, 1963
Genus Swallenochloa F.A. McClure, 1973 accepted as Chusquea Kunth, 1822
Genus Syllepis E.P.N. Fournier, 1886 accepted as Imperata Cyrillo, 1792
Genus Sylvipoa R.J. Soreng, L.J. Gillespie & S.W.L. Jacobs, 2009
Genus Symbasiandra C.L. von Willdenow ex E.G. von Steudel, 1840 accepted as Hilaria Kunth in Humboldt, Bonpland & Kunth, 1816
Genus Symplectrodia M. Lazarides, 1985
Genus Synaphe Dulac, 1867 accepted as Catapodium Link, 1827
Genus Syntherisma T. Walter, 1788 accepted as Digitaria A. Haller, 1768
Genus Taeniatherum Nevski, 1934
Genus Taeniorhachis T.A. Cope, 1993
Genus Talasium K.P.J. Sprengel, 1827 accepted as Panicum Linnaeus, 1753
Genus Tansaniochloa S. Rauschert, 1982 accepted as Setaria Palisot de Beauvois, 1812
Genus Taquara I.L.C. Oliveira & R.P. Oliveira, 2019
Genus Tarigidia Stent, 1932
Genus Tatianyx F.O. Zuloaga & T.R. Soderstrom, 1985
Genus Teinostachyum Munro, 1868
Genus Tema Adanson, 1763 accepted as Echinochloa Palisot de Beauvois, 1812
Genus Temburongia S. Dransfield & K.M. Wong, 1996
Genus Temochloa S. Dransfield, 2000
Genus Tenaxia N.P. Barker & H.P. Linder, 2010
Genus Terrellia Lunell, 1915 accepted as Elymus Linnaeus, 1753
Genus Terrelymus B.R. Baum, 1979
Genus Tetrachaete Chiovenda in P.R. Pirotta, 1903
Genus Tetrachne C.G.D. Nees, 1841
Genus Tetragonocalamus Nakai, 1933 accepted as Bambusa Schreber, 1789
Genus Tetrapogon Desfontaines, 1799
Genus Tetrarrhena R. Brown, 1810
Genus Thalasium K.P.J. Sprengel, 1827
Genus Thalysia O. Kuntze, 1891 accepted as Zea Linnaeus, 1753
Genus Thamnocalamus Munro, 1868
Genus Thaumastochloa Hubbard, 1936
Genus Thelepogon Roth ex J.J. Roemer & J.A. Schultes, 1817
Genus Thellungia Stapf, 1920
Genus Themeda Forsskål, 1775
Genus Thinoelymus E. Banfi, 2018
Genus Thinopyrum Á. Löve, 1980
Genus Thonandia H.P. Linder in H.P. Linder & G.A. Verboom, 1996
Genus Thorea Rouy, 1913 accepted as Arrhenatherum Palisot de Beauvois, 1812
Genus Thoreochloa J. Holub, 1963 accepted as Arrhenatherum Palisot de Beauvois, 1812
Genus Thorneochloa K. Romaschenko, P.M. Peterson & R.J. Soreng in Peterson et al., 2019
Genus Thouarsia O. Post & C.E.O. Kuntze, 1903 accepted as Thuarea Persoon, 1805
Genus Thrasya Kunth in Humboldt, Bonpland & Kunth, 1816
Genus Thrasyopsis Parodi, 1946
Genus Thrixgyne Y.L. Keng, 1941 accepted as Duthiea Hackel, 1896
Genus Thuarea Persoon, 1805
Genus Thurberia Bentham, 1881 accepted as Limnodea L.H. Dewey in J.M. Coulter, 1894
Genus Thylacium Ehrenberg, 1841 †
Genus Thyridachne Hubbard, 1949
Genus Thyridolepis S.T. Blake, 1972
Genus Thyridostachyum C.G.D. Nees von Esenbeck, 1836 accepted as Mnesithea Kunth, 1829
Genus Thyrsia Stapf in Prain, 1917 accepted as Phacelurus Grisebach, 1846
Genus Thyrsocalamus S. Sungkaew & W.L. Goh in Goh et al., 2018
Genus Thyrsostachys Gamble, 1894
Genus Thysanachne K.B. Presl, 1829 accepted as Arundinella Raddi, 1823
Genus Thysanolaena C.G.D. Nees, 1835
Genus Tiarrhena (Maximowicz) Nakai, 1950 accepted as Miscanthus N.J. Andersson, 1855
Genus Tibisia C.D. Tyrrell, X. Londoño & L.G. Clark in Tyrrell et al., 2018
Genus Timouria R.Y. Roshevitz in B.A. Fedtschenko, 1916 accepted as Stipa Linnaeus, 1753
Genus Tinaea Garzia, 1838 accepted as Lamarckia C. Moench, 1794
Genus Tisserantiella Mimeur, 1949 accepted as Thyridachne Hubbard, 1949
Genus Toliara E.J. Judziewicz, 2009 accepted as Perotis W. Aiton, 1789
Genus Tomlinsonia W.D. Tidwell & E.M.V. Nambudiri, 1989 †
Genus Tongpeia C.M.A. Stapleton, 2021
Genus Torgesia Bornmüller, 1913 accepted as Crypsis W. Aiton, 1789
Genus Torresia Ruiz & Pavon, 1794 accepted as Anthoxanthum Linnaeus, 1753
Genus Torreyochloa Church, 1949
Genus Tosagris A.M.F.J. Palisot de Beauvois, 1812 accepted as Muhlenbergia Schreber, 1789
Genus Tovarochloa T.D. Macfarlane & P.P.-H. But, 1982
Genus Tozzettia Savi, 1799 accepted as Alopecurus Linnaeus, 1753
Genus Trachrstachys A. Dietrich, 1833
Genus Trachynia Link, 1827 accepted as Brachypodium Palisot de Beauvois, 1812
Genus Trachynotia A. Michaux, 1803 accepted as Spartina Schreber, 1789
Genus Trachyozus H.G.L. Reichenbach, 1829 accepted as Trachys Persoon, 1805
Genus Trachypoa Bubani, 1901 accepted as Dactylis Linnaeus, 1753
Genus Trachypogon C.G.D. Nees, 1829
Genus Trachys Persoon, 1805
Genus Trachystachys A. Dietrich, 1833 accepted as Trachys Persoon, 1805
Genus Tragus A. Haller, 1768
Genus Tragus Panzer, 1813 accepted as Brachypodium Palisot de Beauvois, 1812
Genus Tremularia Heister ex Fabricius, 1759 accepted as Briza Linnaeus, 1753
Genus Triachyrum Hochstetter ex A. Braun, 1841 accepted as Sporobolus R. Brown, 1810
Genus Triaena Kunth in Humboldt, Bonpland & Kunth, 1816 accepted as Bouteloua Lagasca, 1805
Genus Trianthium N.A. Desvaux, 1831 accepted as Chrysopogon Trinius, 1820
Genus Triarrhena (Maximowicz) Nakai, 1950 accepted as Miscanthus N.J. Andersson, 1855
Genus Triathera Desvaux, 1810 accepted as Bouteloua Lagasca, 1805
Genus Triatherus Rafinesque, 1818 accepted as Ctenium Panzer, 1813
Genus Triavenopsis Candargy, 1901 accepted as Duthiea Hackel, 1896
Genus Tribolium Desvaux, 1831
Genus Trichachne C.G.D. Nees, 1829 accepted as Digitaria A. Haller, 1768
Genus Trichaeta Palisot de Beauvois, 1812 accepted as Trisetaria Forsskål, 1775
Genus Trichanthecium F.O. Zuloaga & O. Morrone, 2011 accepted as Panicum Linnaeus, 1753
Genus Trichloris E. Fournier ex Bentham, 1881
Genus Trichochlaena C.E.O. Kuntze accepted as Tricholaena Schrader in J.A. Schultes, 1824
Genus Trichochloa Palisot de Beauvois, 1812
Genus Trichochloa A.P. de Candolle, 1813 accepted as Muhlenbergia Schreber, 1789
Genus Trichodiclida Cervantes, 1870
Genus Trichodium A. Michaux, 1803 accepted as Agrostis Linnaeus, 1753
Genus Trichodon G. Bentham, 1881 accepted as Phragmites Adanson, 1763
Genus Tricholaena Schrader in J.A. Schultes, 1824
Genus Tricholemma (M. Röser) M. Röser, 2009
Genus Trichoneura N.J. Andersson, 1855
Genus Trichoon Roth, 1798 accepted as Phragmites Adanson, 1763
Genus Trichopteria C.G.D. Nees in Lindley, 1836 accepted as Trichopteryx C.G.D. Nees, 1836
Genus Trichopterya C.G.D. Nees in Lindley, 1836
Genus Trichopteryx C.G.D. Nees, 1836
Genus Trichopyrum Á. Löve, 1986 accepted as Thinopyrum Á. Löve, 1980
Genus Trichosantha E.G. von Steudel, 1841 accepted as Stipa Linnaeus, 1753
Genus Tricuspis Palisot de Beauvois, 1812 accepted as Tridens J.J. Roemer & J.A. Schultes, 1817
Genus Tridens J.J. Roemer & J.A. Schultes, 1817
Genus Tridentopsis P.M. Peterson, 2014
Genus Triglossum F.E.L. Fischer, 1812 accepted as Arundinaria A. Michaux, 1803
Genus Trigonochloa P.M. Peterson & N. Snow, 2012
Genus Trikeraia Bor, 1955
Genus Trilobachne Schenck ex Henrard, 1931
Genus Triniochloa Hitchcock, 1913
Genus Triniusa Steudel, 1854 accepted as Bromus Linnaeus, 1753
Genus Triodia R. Brown, 1810
Genus Triodon Baumgarten, 1816 accepted as Triodia R. Brown, 1810
Genus Triphlebia Stapf in Thiselton-Dyer, 1898 accepted as Eragrostis N.M. Wolf, 1776
Genus Triplachne Link, 1833
Genus Triplasiella P.M. Peterson & K. Romaschenko, 2016
Genus Triplasis Palisot de Beauvois, 1812
Genus Triplathera S.F.L. Endlicher, 1836 accepted as Bouteloua Lagasca, 1805
Genus Triplopogon Bor, 1954
Genus Tripogon J.J. Roemer & J.A. Schultes, 1817
Genus Tripogonella P.M. Peterson & K. Romaschenko, 2016
Genus Tripsacum Linnaeus, 1759
Genus Triraphis R. Brown, 1810
Genus Triscenia Grisebach, 1862
Genus Trisetaria Forsskål, 1775
Genus Trisetarium Poiret in Lamarck & Poiret, 1817 accepted as Trisetum Persoon, 1805
Genus Trisetobromus Nevski, 1934 accepted as Bromus Linnaeus, 1753
Genus Trisetokoeleria N.N. Tzvelev, 1971
Genus Trisetopsis M. Röser & A. Wölk, 2013
Genus Trisetopsotrichon M. Röser & A. Wölk, 2017
Genus Trisetum Persoon, 1805
Genus Trisiola Rafinesque, 1825 accepted as Uniola Linnaeus, 1753
Genus Trisiola Rafinesque, 1817
Genus Tristachya C.G.D. Nees, 1829
Genus Tristania J.L.M. Poiret, 1816 accepted as Spartina Schreber, 1789
Genus Tristegis C.G.D. Nees, 1820 accepted as Melinis Palisot de Beauvois, 1812
Genus Triticale A. Müntzing, 1936 accepted as Triticosecale A. Camus, 1927
Genus Triticoides T. De Stefani, 1948 †
Genus Triticosecale A. Camus, 1927
Genus Triticum Linnaeus, 1753
Genus Tritipyrum C. Curwen-McAdams, M. Arterburn, K. Murphy, X.W. Cai & S.S. Jones, 2016
Genus Trititrigia N.N. Tzvelev, 1973
Genus Tritordeum P. Ascherson & P. Graebner, 1902
Genus Triunila C.S. Rafinesque, 1825 accepted as Uniola Linnaeus, 1753
Genus Trixostis Rafinesque, 1830 accepted as Aristida Linnaeus, 1753
Genus Trizea M.H.J. van der Meer, 2019
Genus Trochera L.C.M. Richard, 1779 accepted as Ehrharta Thunberg, 1779
Genus Trys M.H.J. van der Meer, 2019
Genus Tschompskia P. Ascherson & P. Graebner, 1902 accepted as Arundinaria A. Michaux, 1803
Genus Tuctoria J.R. Reeder, 1982
Genus Turraya N. Wallich, 1848 accepted as Leersia O. Swartz, 1788
Genus Tylothrasya Döll in C.F.P. Martius, 1877 accepted as Thrasya Kunth in Humboldt, Bonpland & Kunth, 1816
Genus Typhoides Moench, 1794 accepted as Phalaris Linnaeus, 1753
Genus Tzvelevia E.B. Alekseev, 1985
Genus Tzveleviochloa M. Röser & A. Wölk, 2017
Genus Uniola Linnaeus, 1753
Genus Urachne Trinius, 1822 accepted as Oryzopsis A. Michaux, 1803
Genus Uralepis Nuttall, 1818 accepted as Triplasis Palisot de Beauvois, 1812
Genus Uralepsis Nuttall, 1818 accepted as Triplasis Palisot de Beauvois, 1812
Genus Uranthoecium Stapf, 1916
Genus Urelytrum Hackel in Engler & Prantl, 1887
Genus Urochlaena C.G.D. Nees, 1841 accepted as Tribolium Desvaux, 1831
Genus Urochloa Palisot de Beauvois, 1812
Genus Urochondra Hubbard, 1947
Genus Vacoparis R.E. Spangler, 2003 accepted as Sorghum Moench, 1794
Genus Vahlodea E.M. Fries, 1842
Genus Valiha S. Dransfield, 1998
Genus Valota Adanson, 1763 accepted as Digitaria A. Haller, 1768
Genus Vaseya Thurber, 1863 accepted as Muhlenbergia Schreber, 1789
Genus Vaseyochloa Hitchcock, 1933
Genus Veldkampia Y. Ibaragi & S. Kobayashi, 2008
Genus Ventenata G.L. Koeler, 1802
Genus Verinea R.P.B. Merino, 1899 accepted as Melica Linnaeus, 1753
Genus Veseyochloa J.B. Phipps, 1964 accepted as Tristachya C.G.D. Nees, 1829
Genus Vetiveria Bory de St.-Vincent in Lemaire, 1822 accepted as Chrysopogon Trinius, 1820
Genus Vietnamocalamus Nguyen, 1991
Genus Vietnamochloa J.F. Veldkamp & R. Nowack, 1995
Genus Vietnamosasa Nguyen, 1990 accepted as Racemobambos Holttum, 1956
Genus Viguierella A. Camus, 1926
Genus Vilfa Adanson, 1763 accepted as Agrostis Linnaeus, 1753
Genus Vilfagrostis J.C. Döll in C.F.P. von Martius, 1878 accepted as Eragrostis N.M. Wolf, 1776
Genus Vitara M.H.J. van der Meer, 2019
Genus Vossia Wallich & Griffith, 1836
Genus Vulpia C.C. Gmelin, 1805
Genus Vulpiella (J.A. Battandier & L.C. Trabut) P.-A. Burollet, 1927
Genus Walwhalleya K.E. Wills & J.J. Bruhl, 2006
Genus Wangenheimia Moench, 1794 accepted as Festuca Linnaeus, 1753
Genus Wasatchia M.E. Jones, 1912 accepted as Festuca Linnaeus, 1753
Genus Weingaertneria Bernhardi, 1800 accepted as Corynephorus Palisot de Beauvois, 1812
Genus Whalleya K.E. Wills & J.J. Bruhl, 2000 accepted as Walwhalleya K.E. Wills & J.J. Bruhl, 2006
Genus Whiteochloa C.E. Hubbard, 1952
Genus Widjajachloa K.M. Wong & S. Dransfield, 2016
Genus Wiestia P.E. Boissier, 1884 accepted as Boissiera Hochstetter ex Steudel, 1840
Genus Wilhelmsia K.H.E. Koch, 1848 accepted as Rostraria Trinius, 1820
Genus Wilibalda Sternberg ex A.W. Roth, 1827 accepted as Coleanthus W.B. Seidl in J.J. Roemer & J.A. Schultes, 1817
Genus Willbleibia Herter, 1953 accepted as Willkommia Hackel in Schinz, 1888
Genus Willkommia Hackel in Schinz, 1888
Genus Windsoria Nuttall, 1818 accepted as Tridens J.J. Roemer & J.A. Schultes, 1817
Genus Wirtgenia G.G.D. Nees von Esenbeck ex J.C. Döll, 1877 accepted as Paspalum Linnaeus, 1759
Genus Woodrowia Stapf, 1896 accepted as Dimeria R. Brown, 1810
Genus Xanthanthos J.B. Saint-Lager, 1881 accepted as Anthoxanthum Linnaeus, 1753
Genus Xanthochloa (U.F. Krivotulenko) N.N. Tzvelev, 2006
Genus Xanthonanthos J.B. Saint-Lager, 1880 accepted as Anthoxanthum Linnaeus, 1753
Genus Xenochloa Lichtenstein ex J.J. Roemer & J.A. Schultes, 1817 accepted as Phragmites Adanson, 1763
Genus Xerochloa R. Brown, 1810
Genus Xerodanthia J.B. Phipps, 1966 accepted as Danthoniopsis Stapf, 1916
Genus Xiphagrostis Coville in Safford, 1905 accepted as Miscanthus N.J. Andersson, 1855
Genus Xyochlaena Stapf in Prain, 1917 accepted as Tricholaena Schrader in J.A. Schultes, 1824
Genus Xystidium Trinius, 1820 accepted as Perotis W. Aiton, 1789
Genus Yadakeya Makino, 1929 accepted as Pseudosasa Makino ex Nakai, 1925
Genus Yakirra M. Lazarides & R.D. Webster, 1985
Genus Yersinochloa H.N. Nguyen & V.T. Tran, 2016
Genus Yorkia Wanner in L.F. Ward, 1900 †
Genus Ystia Compère, 1963 accepted as Schizachyrium C.G.D. Nees, 1829
Genus Yushania P.C. Keng, 1957
Genus Yvesia A. Camus, 1927
Genus Zaqiqah P.M. Peterson & K. Romaschenko, 2016
Genus Zea Linnaeus, 1753
Genus Zearum M.H.J. van der Meer, 2019
Genus Zeia Lunell, 1915 accepted as Triticum Linnaeus, 1753
Genus Zeites R. Caspary ex H. Conwentz, 1886 †
Genus Zenkeria Trinius, 1837
Genus Zeocriton N.M. Wolf, 1776 accepted as Hordeum Linnaeus, 1753
Genus Zerna Panzer, 1813 accepted as Vulpia C.C. Gmelin, 1805
Genus Zeugites P. Browne, 1756
Genus Zingeria Smirnov, 1946
Genus Zingeriopsis N.S. Probatova, 1977 accepted as Zingeria Smirnov, 1946
Genus Zizania Linnaeus, 1753
Genus Zizaniopsis Doell & Ascherson in Doell, 1871
Genus Zonotriche (C.E. Hubbard) Phipps, 1964
Genus Zotovia E. Edgar & H.E. Connor, 1998
Genus Zoydia C.H. Persoon, 1805 accepted as Zoysia Willdenow, 1801
Genus Zoysia Willdenow, 1801
Genus Zuloagaea E.C. Bess, 2006
Genus Zygochloa S.T. Blake, 1941
Family Poales (awaiting allocation)
Family Rapateaceae Dumortier, 1829
Family Restionaceae R. Brown, 1810
Family Sparganiaceae Hanin, 1811 accepted as Typhaceae de Jussieu, 1789
Family Thurniaceae Engler, 1907
Family Typhaceae de Jussieu, 1789
Family Xyridaceae C.A. Agardh, 1823
Order Podostemales accepted as Malpighiales
Order Polygalales accepted as Fabales
Order Polygonales accepted as Caryophyllales
Order Primulales accepted as Ericales
Order Proteales
Order Rafflesiales accepted as Malpighiales
Order Ranunculales
Order Restionales accepted as Poales
Order Rhamnales accepted as Rosales
Order Rhizophorales accepted as Malpighiales
Order Roridulales accepted as Ericales
Order Rosales
Order Rubiales accepted as Gentianales
Order Rutales accepted as Sapindales
Order Sabiales accepted as Proteales
Order Salicales accepted as Malpighiales
Order Santalales
Order Sapindales
Order Sarbaicarpales †
Order Saxifragales
Order Scrophulariales accepted as Lamiales
Order Smilacales accepted as Liliales
Order Solanales
Order Stemonales accepted as Pandanales
Order Tamaricales accepted as Caryophyllales
Order Tecophilaeales accepted as Asparagales
Order Theales accepted as Ericales
Order Thymelaeales accepted as Malvales
Order Toricelliales accepted as Cornales
Order Trilliales accepted as Liliales
Order Triuridales accepted as Pandanales
Order Trochodendrales
Order Typhales accepted as Poales
Order Urticales accepted as Rosales
Order Vahliales
Order Viburnales accepted as Dipsacales
Order Violales accepted as Malpighiales
Order Vitales
Order Xanthorrhoeales accepted as Asparagales
Order Zingiberales
Order Zygophyllales
Family Archaefructaceae G. Sun, Q. Ji, D.L. Dilcher, S. Zheng, K.C. Nixon & X. Wang, 2002 †
Family Sinoherbaceae Z.-J. Liu & X. Wang in Liu et al., 2021 †
Genus Aachenosaurus Smets, 1887 † accepted as Aachenoxylon M. Hovelacque, 1889 †
Genus Aachenoxylon M. Hovelacque, 1889 †
Genus Antholithes A.T. Brongniart, 1822 †
Genus Archaebuda L.-J. Chen & X. Wang, 2022 †
Genus Ascarinophyllum J. Čepičková & J. Kvaček, 2022 †
Genus Atrichodendron Gagnepain, 1950
Genus Barykovia M.G. Moiseeva, 2012 †
Genus Bergacarpon J. Marmi, B. Gomez, S. Villalba-Breva & C. Martín-Closas, 2012 †
Genus Bilitalium F. Buchanan-Hamilton, 1807
Genus Caliciflora E.M. Friis, K.R. Pedersen & P.R. Crane, 2016 †
Genus Carpestella M. von Balthazar, K.R. Pedersen, P.R. Crane & E.M. Friis, 2008 †
Genus Catanthus E.M. Friis, P.R. Crane & K.R. Pedersen, 2020 †
Genus Cavilignum C. Siegert & E.J. Hermsen, 2020 †
Genus Chainandra G.O. Poinar Jr. & K.L. Chambers, 2020 †
Genus Covidifructus Z. Heřmanová, J. Čepičková, J. Kvaček, M. von Balthazar & J. Schönenberger, 2022 †
Genus Cratolirion C. Coifard, N. Kardjilov & M.E.C. Bernardes-de-Oliveira in Coifard et al., 2019 †
Genus Culmites A.T. Brongniart, 1822 †
Genus Cyathitepala G.O. Poinar Jr. & K.L. Chambers, 2020 †
Genus Dilcherifructus X. Wang, 2021 †
Genus Dillhoffia S.R. Manchester & K.B. Pigg, 2008 †
Genus Dinganthus X.-D. Liu, J.B. Diez, Y. Fan, Z.-J. Liu & X. Wang, 2020 †
Genus Elasmostemon E.M. Friis, P.R. Crane, K.R. Pedersen, M.M. Mendes & J. Kvaček, 2022 †
Genus Endressistemon E.M. Friis, P.R. Crane, K.R. Pedersen, M.M. Mendes & J. Kvaček, 2022 †
Genus Exogenites A.T. Brongniart, 1822 †
Genus Fairlingtonia N.A. Jud, 2015 †
Genus Florigerminis D.-F. Cui, Y. Hou, P. Yin & X. Wang, 2022 †
Genus Fouldenia J.M. Bannister, D.E. Lee & J.I. Raine 2005 †
Genus Friisifructus K.K. Tang, S.Y. Smith & B.A. Atkinson, 2023 †
Genus Gansufructus B. Du in Du et al., 2021 †
Genus Gansupeltata G.-T. Wu, W.-X. Ren, L. Han, H.-S. Wang, Y.-F. Hua & B.-N. Sun, 2022 †
Genus Harmsia E. McIver & J.F. Basinger, 1993 † accepted as Mciveriella A.B. Doweld, 2016 †
Genus Herbifolia A. Frolov & I. Enushchenko, 2022 †
Genus Honeytheca I.B. Huegele & S.R. Manchester, 2022 †
Genus Ibericarpus E.M. Friis, P.R. Crane, K.R. Pedersen, M.M. Mendes & J. Kvaček, 2022 †
Genus Kachaikenia R. Cunéo & M.A. Gandolfo, 2005 †
Genus Kenilanthus E.M. Friis, K.R. Pedersen & P.R. Crane, 2016 †
Genus Lingyuananthus X. Wang, 2022 †
Genus Mciveriella A.B. Doweld, 2016 †
Genus Menatanthus D. Uhl, K.N. Paudayal & H. El Atfy in Uhl et al., 2020 †
Genus Nicolia Unger in Endlicher, 1842 †
Genus Nitaspermum E.M. Friis, P.R. Crane & K.R. Pedersen, 2018 †
Genus Othniophyton Manchester, Judd & Correa-Narvaez, 2024 †
Genus Paisia E.M. Friis, M.M. Mendes & K.R. Pedersen, 2018 †
Genus Phantophlebia G.O. Poinar, Jr. & K.L. Chambers, 2020 †
Genus Sherwinoxylon A. Boura & G. Saulnier in Boura et al., 2019 †
Genus Singpuria D. Ramteke, S.R. Manchester & V.D. Nagrale in Ramteke et al., 2020 †
Genus Strombothelya G.O. Poinar, Jr. & K.L. Chambers, 2019 †
Genus Tanispermum E.M. Friis, P.R. Crane & K.R. Pedersen, 2018 †
Genus Thorphyllum R. Cunéo & M.A. Gandolfo, 2005 †
Genus Tolmania N.L. Edmonds, R.A. Stockey & G.W. Rothwell, 2022 †
Genus Ubiquitoxylon E.A. Wheeler in Wheeler et al., 2019 †
Genus Valvidistemon E.M. Friis, P.R. Crane, K.R. Pedersen, M.M. Mendes & J. Kvaček, 2022 †
Genus Wingia H. Wang & D.L. Dilcher, 2018 †
Genus Wireroadia X. Zhang, Y. Wang, D.L. Dilcher & S.R. Manchester, 2020 †
Genus Zlatkovia G.W. Rothwell & R.A. Stockey, 2022 †
Genus Comoxia Jud, Bradley, Zahnd, Rothwell & Stockey, 2024 †
Genus Compitoxylon Gentis, De Franceschi & Boura, 2023 †
Genus Felinanthus Heřmanová, Von Balthazar, Kvaček & Schönenberger, 2024 †
Genus Nothophylica Beurel, Bachelier, Schmidt & Sadowski, 2024 †
Genus Pteroheterochrosperma M.A. Smith, D.E. Greenwalt & S.R. Manchester, 2023 †
Genus Quadrasubulaflora M.A. Smith, D.E. Greenwalt & S.R. Manchester, 2023 †
Genus Racheliflora E.M. Friis, P.R. Crane & K.R. Pedersen, 2023 †
Genus Tortorellixylon C.F. Rombola, R.R. Pujana, D.P. Ruiz & E.S. Bellosi, 2023 †
Genus Xilinia X. Wang, J.B. Diez, M. Pole & M. García-Ávila, 2023 †
Superclass Gymnospermae
Genus Alasemenia Wang, Yang, Liu, Zhou, Xu, Qin & Huang, 2024 †
Genus Bevhalstia C.R. Hill, 1996 †
Genus Carpolithus E.T. Artis, 1825 †
Genus Combina A.A. Santos & X. Wang, 2022 †
Genus Juraherba G. Han, Z. Liu, X. Liu, L. Mao, F.M.B. Jacques & X. Wang, 2016 †
Genus Muricosperma L.J. Seyfullah & J. Hilton in Seyfullah et al., 2010 †
Genus Nothodichocarpum G. Han, Z. Liu & X. Wang, 2017 †
Genus Problematospermum A.I. Turutanova-Ketova in J.A. Orlov, 1963 ex Krassilov, 1973 †
Genus Qingganninginfructus X. Wang & Sun in Han et al., 2023 †
Genus Renbernia E.M. Friis, P.R. Crane & K.R. Pedersen, 2022 †
Genus Shaolinia Wang & Chen, 2024 †
Genus Xenofructus Fu, Sun, Zheng & Wang, 2024 †
Genus Xingxueanthus X. Wang & S. Wang, 2010 †
Genus Yiduxylon D.M. Wang & L. Liu, 2015 †
Genus Yuhania Z.-J. Liu & X. Wang, 2016 †
Class Progymnospermopsida †
Class Pteridophyta/Pteridospermophyta (unclassified foliage) †
Class Rhyniopsida †
Class Trimerophytopsida †
Class Zosterophyllopsida †
Order Stenokoleales †
Genus Ahnetia A.-L. Decombeix & J. Galtier, 2017 †
Genus Aysenoxylon R.R. Pujana, J.E. Bostelmann, R.A. Ugalde, M.P. Riquelme & T. Torres, 2023 †
Genus Dameria A.-L. Decombeix, B. Meyer-Berthaud, J. Galtier, J.A. Talent & R. Mawson, 2011 †
Genus Dibracophyton S.-G. Hao, J.-Z. Xue, X. Zhu & D.-M. Wang, 2012 †
Genus Douaphyton H.-H. Xu, Y. Wang, P. Tang & Y. Wang, 2017 †
Genus Endogenites A.T. Brongniart, 1822 †
Genus Flabellopteris R.W. Gess & C. Prestianni, 2021 †
Genus Franhueberia L.A. Hoffman & A.M.F. Tomescu, 2013 †
Genus Jowingera M.A. Bickner & A.M.F. Tomescu, 2019 †
Genus Kenrickia S. Toledo & A.M.F. Tomescu in Toledo et al., 2021 †
Genus Leptocentroxyla M.A. Bickner & A.M.F. Tomescu, 2019 †
Genus Macrotaeniopteris W.P. Schimper, 1869 †
Genus Mosacaulis R.W.J.M. van der Ham & J.H.A. van Konijnenburg-van Cittert in van der Ham et al., 2011 †
Genus Nebuloxyla M.A.K. Lalica & A.M.F. Tomescu, 2023 †
Genus Ninsaria A.-L. Decombeix, J. Galtier, S. McLoughlin & B. Meyer-Berthaud in Decombeix et al., 2019 †
Genus Oleandridium W.P. Schimper, 1869 †
Genus Perplexa K.C. Pfeiler & A.M.F. Tomescu, 2023 †
Genus Petrosjania S.M. Snigirevsky & A.P. Lyubarova, 2023 †
Genus Planatophyton P. Gerrienne, B. Meyer-Berthaud, N. Yang, P. Steemans & C.-S. Li, 2014 †
Genus Poacites Schlotheim ex Ballenstedt, 1822 †
Genus Sporangites J.W. Dawson, 1863 †
Genus Stenoloboxyla M.A. Bickner & A.M.F. Tomescu, 2019 †
Genus Taeniopteris A.T. Brongniart, 1828 †
Genus Tainioxyla M.A. Bickner & A.M.F. Tomescu, 2019 †
Genus Thursophyton A.G. Nathorst, 1914-1915 †
Genus Thursophyton A.G. Nathorst ex E.A.N. Arber, 1921 † accepted as Thursophyton A.G. Nathorst, 1914-1915 †
Genus Tichavekia J. Pšenička, J. Sakala & P. Kraft in Kraft et al., 2019 †
Genus Tregiovia G. Forte & E. Kustatscher, 2023 †
Genus Wilhowia P.G. Gensel, 2022 †
Genus Xadzigacalix A.A. Klymiuk, G.W. Rothwell & R.A. Stockey, 2022 †
Genus Xinhangia J.-N. Yang & D.-M. Wang, 2022 †
Genus Yabeiella S. Ôishi, 1931 †
Phylum Vendophyta † accepted as Algae incertae sedis
Class Nematophyceae † accepted as Nematophyta †
Kingdom Protista accepted as Protozoa
Kingdom Protozoa
Kingdom Viruses