Between brackets is the number of accepted species
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- 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
- Family Achariaceae Harms, 1897
- Family Balanopaceae Bentham & Hooker f., 1880
- Family Bembiciaceae R.C. Keating & Takhtajan, 1996 accepted as Salicaceae de Mirbel, 1815
- Family Bonnetiaceae L. Beauvisage ex Nakai, 1948
- Family Calophyllaceae J.G. Agardh
- Family Caryocaraceae Voigt, 1845
- Family Centroplacaceae Doweld & Reveal, 2005
- Family Chrysobalanaceae R. Brown, 1818
- Family Clusiaceae Lindley, 1836
- Family Ctenolophonaceae Exell & Mendonça, 1951
- Family Dichapetalaceae H.E. Baillon, 1886
- Family Elatinaceae Dumortier, 1829
- Family Erythroxylaceae Kunth, 1822
- Family Euphorbiaceae de Jussieu, 1789
- Genus Acalypha Linnaeus, 1753
- Genus Acalyphes J.C. Hasskarl, 1844 accepted as Acalypha Linnaeus, 1753
- Genus Acalyphopsis Pax & K. Hoffmann in Engler, 1924 accepted as Acalypha Linnaeus, 1753
- Genus Acanthocaulon Klotzsch ex Endlicher, 1850 accepted as Platygyna Mercier, 1830
- Genus Acantholoma Gaudichaud-Beaupré ex Baillon, 1866 accepted as Pachystroma J. Müller Arg., 1865
- Genus Acanthopyxis F.A.W. Miquel ex J. Lanjouw, 1931 accepted as Caperonia A.F.C.P. Saint-Hilaire, 1826
- Genus Accia A.F.C. Saint-Hilaire, 1840 accepted as Plukenetia Linnaeus, 1753
- Genus Acidocroton Grisebach, 1859
- Genus Acidoton O. Swartz, 1788
- Genus Aconceveibum Miquel, 1859 accepted as Mallotus Loureiro, 1790
- Genus Actephilopsis Ridley, 1923 accepted as Trigonostemon Blume, 1826
- Genus Actinostemon C.F.P. Martius ex Klotzsch, 1841
- Genus Adelia Linnaeus, 1759
- Genus Ademo T.E. von Post & C.E.O. Kuntze accepted as Euphorbia Linnaeus, 1753
- Genus Adenoceras H.G. Reichenbach & H. Zollinger ex H.E. Baillon, 1858 accepted as Macaranga Du Petit-Thouars, 1806
- Genus Adenochlaena Boivin ex Baillon, 1858
- Genus Adenoclina T.E. von Post & C.E.O. Kuntze accepted as Adenocline Turczaninow, 1843
- Genus Adenocline Turczaninow, 1843
- Genus Adenogyne Klotzsch, 1841 accepted as Gymnanthes O. Swartz, 1788
- Genus Adenogynum H.G.L. Reichenbach & Zollinger, 1856 accepted as Cladogynos Zippelius ex Spanoghe, 1841
- Genus Adenopeltis Bertero ex A.H.L. Jussieu, 1832
- Genus Adenopetalum Klotzsch & Garcke in Klotzsch, 1859 accepted as Euphorbia Linnaeus, 1753
- Genus Adenophaedra (J. Müller Arg.) J. Müller Arg. in C.F.P. Martius, 1874
- Genus Adenorhopium H.G.L. Reichenbach, 1828 accepted as Jatropha Linnaeus, 1753
- Genus Adenorima Rafinesque, 1838 accepted as Euphorbia Linnaeus, 1753
- Genus Adenoropium Pohl, 1826 accepted as Jatropha Linnaeus, 1753
- Genus Adisa E.G. von Steudel, 1840 accepted as Sumbaviopsis J.J. Smith, 1910
- Genus Adisca Blume, 1826 accepted as Mallotus Loureiro, 1790
- Genus Adriana Gaudichaud-Beaupré, 1825
- Genus Aegopicron P.D. Giseke, 1792 accepted as Maprounea Aublet, 1775
- Genus Aegopricon Linnaeus f., 1782 accepted as Maprounea Aublet, 1775
- Genus Aegopricum Linnaeus, 1775 accepted as Maprounea Aublet, 1775
- Genus Aemaralmeida S.M. Almeida & S.R. Dutta, 2003 accepted as Euphorbia Linnaeus, 1753
- Genus Afrotrewia Pax & K. Hoffmann in Engler, 1914
- Genus Agaloma Rafinesque, 1838 accepted as Euphorbia Linnaeus, 1753
- Genus Agelandra H.G.A. Engler & Pax accepted as Croton Linnaeus, 1753
- Genus Agirta H.E. Baillon, 1858 accepted as Tragia Linnaeus, 1753
- Genus Agrostistachyophyllum K. Rásky, 1966 †
- Genus Agrostistachys Dalzell, 1850
- Genus Aklema Rafinesque, 1838 accepted as Euphorbia Linnaeus, 1753
- Genus Alchornea O. Swartz, 1788
- Genus Alchorneaephyllum K. Rásky, 1966 †
- Genus Alchorneites M. Langeron, 1899 †
- Genus Alchorneopsis Müller Arg., 1865
- Genus Alcinaeanthus E.D. Merrill, 1912 accepted as Neoscortechinia Pax in Engler & Prantl, 1897
- Genus Alcineanthus E.D. Merrill accepted as Alcinaeanthus E.D. Merrill, 1912
- Genus Alcoceria Fernald, 1901 accepted as Dalembertia Baillon, 1858
- Genus Aldinia Rafinesque, 1840 accepted as Croton Linnaeus, 1753
- Genus Alectoroctonum D.F.L. Schlechtendal, 1846 accepted as Euphorbia Linnaeus, 1753
- Genus Aleuriteophyllum K. Rásky, 1965 †
- Genus Aleurites J.R. Forster & J.G.A. Forster, 1775
- Genus Aleuritoxylon E. Mädel, 1962 †
- Genus Alevia Baillon, 1858 accepted as Bernardia P. Miller, 1754
- Genus Algernonia Baillon, 1858
- Genus Allobia Rafinesque, 1838 accepted as Euphorbia Linnaeus, 1753
- Genus Allosandra Rafinesque, 1840 accepted as Tragia Linnaeus, 1753
- Genus Alphandia Baillon, 1873
- Genus Ambinux P. Commerson ex A.L. de Jussieu, 1789 accepted as Vernicia Loureiro, 1790
- Genus Amperea A.H.L. Jussieu, 1824
- Genus Amyrea J. Leandri, 1940
- Genus Anabaena A.H.L. Jussieu, 1824 accepted as Romanoa Trevisan, 1848
- Genus Anabaenella Pax & K. Hoffmann in Engler, 1919 accepted as Romanoa Trevisan, 1848
- Genus Anda A.H.L. Jussieu in F. Cuvier, 1804 accepted as Joannesia Vellozo, 1798
- Genus Andicus Vellozo, 1829 accepted as Joannesia Vellozo, 1798
- Genus Androphoranthus H. Karsten, 1859 accepted as Caperonia A.F.C.P. Saint-Hilaire, 1826
- Genus Angelandra Endlicher, 1850 accepted as Croton Linnaeus, 1753
- Genus Angostyles G. Bentham, 1854 accepted as Angostylis G. Bentham, 1854
- Genus Angostylidium (J. Müller Arg.) F.A. Pax & K. Hoffmann, 1919 accepted as Plukenetia Linnaeus, 1753
- Genus Angostylis G. Bentham, 1854
- Genus Anisepta C.S. Rafinesque, 1825 accepted as Croton Linnaeus, 1753
- Genus Anisophyllum A.H. Haworth, 1812 accepted as Euphorbia Linnaeus, 1753
- Genus Anisophyllum Boivin ex Baillon, 1858 accepted as Croton Linnaeus, 1753
- Genus Anisophyllum N.J. Jacquin, 1763
- Genus Annesijoa Pax & K. Hoffmann in Engler, 1919
- Genus Anomalocalyx Ducke, 1932
- Genus Anomostachys (Baillon) Hurusawa, 1954
- Genus Anthacantha Lemaire, 1857 accepted as Euphorbia Linnaeus, 1753
- Genus Anthostema A.H.L. Jussieu, 1824
- Genus Aonikena Spegazzini, 1902 accepted as Chiropetalum A.H.L. Jussieu, 1832
- Genus Aparisthmium Endlicher, 1840
- Genus Aphora T. Nuttall, 1835 accepted as Ditaxis Vahl ex A.H.L. Jussieu, 1824
- Genus Aplarina Rafinesque, 1838 accepted as Euphorbia Linnaeus, 1753
- Genus Apodandra Pax & K. Hoffmann in Engler, 1919 accepted as Plukenetia Linnaeus, 1753
- Genus Archileptopus P.T. Li, 1991
- Genus Argithamnia O. Swartz, 1788 accepted as Argythamnia P. Browne, 1756
- Genus Argomuellera Pax, 1894
- Genus Argothamnia C.P.J. Sprengel, 1826 accepted as Argythamnia P. Browne, 1756
- Genus Argyra F. Noroña ex H.E. Baillon, 1861 accepted as Croton Linnaeus, 1753
- Genus Argyrodendron (Endlicher) Klotzsch in Peters, 1862 accepted as Croton Linnaeus, 1753
- Genus Argyrothamnia J. Müller Argoviensis, 1865 accepted as Argythamnia P. Browne, 1756
- Genus Argytamnia A.N. Duchesne, 1805 accepted as Argythamnia P. Browne, 1756
- Genus Argythammia accepted as Argythamnia P. Browne, 1756
- Genus Argythamnia P. Browne, 1756
- Genus Arthrothamnus Klotzsch & Garcke in Klotzsch, 1859 accepted as Euphorbia Linnaeus, 1753
- Genus Astraea Klotzsch, 1841
- Genus Astrococcus Bentham, 1854
- Genus Astrogyne Bentham, 1839 accepted as Croton Linnaeus, 1753
- Genus Ateramnus P. Browne, 1756 accepted as Gymnanthes O. Swartz, 1788
- Genus Athroandra (J.D. Hooker) Pax & K. Hoffmann in Engler, 1914 accepted as Erythrococca Bentham in W.J. Hooker, 1849
- Genus Athroisma W. Griffith, 1854 accepted as Trigonostemon Blume, 1826
- Genus Athymalus Necker ex Rafinesque, 1838
- Genus Aubertia L.A. Chapelier ex H.E. Baillon, 1861 accepted as Croton Linnaeus, 1753
- Genus Aubletiana J. Murillo, 2000
- Genus Autrandra J.B.L. Pierre ex D. Prain, 1912 accepted as Erythrococca Bentham in W.J. Hooker, 1849
- Genus Avellanita R.A. Philippi, 1864
- Genus Axenfeldia Baillon, 1858 accepted as Mallotus Loureiro, 1790
- Genus Bahiana J.F. Carrión, 2022
- Genus Balakata H.-J. Esser, 1999
- Genus Baliospermophyllum K. Rásky, 1966 †
- Genus Baliospermum Blume, 1826
- Genus Baloghia Endlicher, 1833
- Genus Baloghiaephyllum K. Rásky, 1962 †
- Genus Banalia Rafinesque, 1840 accepted as Croton Linnaeus, 1753
- Genus Baprea J.B.L. Pierre ex F.A. Pax & K. Hoffmann, 1914 accepted as Cladogynos Zippelius ex Spanoghe, 1841
- Genus Barhamia Klotzsch in B.C. Seemann, 1853 accepted as Croton Linnaeus, 1753
- Genus Barrettia T.R. Sim, 1909 accepted as Ricinodendron J. Mueller-Arg., 1864
- Genus Belenocarpa A. Hamersma, F. Herrera, K. Wurdack & S.R. Manchester, 2022 †
- Genus Beltrania F. Miranda, 1957 accepted as Enriquebeltrania J. Rzedowski, 1980
- Genus Benoistia H. Perrier de la Bâthie & J. Léandri in J. Léandri, 1938
- Genus Berhamia accepted as Croton Linnaeus, 1753
- Genus Bernarda Adanson accepted as Bernardia P. Miller, 1754
- Genus Bernardia P. Miller, 1754
- Genus Bernhardia T.E. von Post & C.E.O. Kuntze accepted as Bernardia P. Miller, 1754
- Genus Bertya J.E. Planchon, 1845
- Genus Beyeria Miquel, 1844
- Genus Beyeriopsis Müller Arg., 1865 accepted as Beyeria Miquel, 1844
- Genus Bia Klotzsch, 1841
- Genus Bischofinium M.B. Bande, 1974 †
- Genus Bischofioxylon C.G.K. Ramanujam, 1960 †
- Genus Bivonea Rafinesque, 1814 accepted as Cnidoscolus Pohl, 1827
- Genus Bivonia K.P.J. Sprengel, 1820 accepted as Bernardia P. Miller, 1754
- Genus Blachia Baillon, 1858
- Genus Bleekeria Miquel, 1859 accepted as Alchornea O. Swartz, 1788
- Genus Blumeodendron (J. Müller Arg.) Kurz, 1874
- Genus Bocquillonia Baillon, 1862
- Genus Bonania A. Richard in Sagra, 1850
- Genus Borneodendron Airy Shaw, 1963
- Genus Bossera J. Leandri, 1962
- Genus Botryanthe Klotzsch, 1841 accepted as Plukenetia Linnaeus, 1753
- Genus Botryophora J.D. Hooker, 1888
- Genus Botryospora J.D. Hooker, 1888 accepted as Botryophora J.D. Hooker, 1888
- Genus Botryphora T.E. von Post & C.E.O. Kuntze accepted as Botryophora J.D. Hooker, 1888
- Genus Boutonia W. Bojer, 1846 accepted as Hancea B.C. Seemann, 1857
- Genus Brachystachys Klotzsch in Bentham, 1843 accepted as Croton Linnaeus, 1753
- Genus Brasiliocroton P.E. Berry & I. Cordeiro, 2005
- Genus Bridelioxylon Ramanujam, 1956 †
- Genus Bruxanelia A.W. Dennstedt, 1818 accepted as Blachia Baillon, 1858
- Genus Bruxanellia Dennstedt ex Kosteletzky, 1836 accepted as Blachia Baillon, 1858
- Genus Caelebogyne J. Smith, 1839
- Genus Caelodepas G. Bentham & J.D. Hooker, 1880 accepted as Koilodepas Hasskarl, 1856
- Genus Calpigyne Blume, 1857 accepted as Koilodepas Hasskarl, 1856
- Genus Calycopeplus J.E. Planchon, 1861
- Genus Calypteriopetalon J.C. Hasskarl, 1857 accepted as Croton Linnaeus, 1753
- Genus Calypteriopetalum Hasskarl, 1857
- Genus Calyptrospatha Klotzsch ex W.C.H. Peters, 1861 accepted as Acalypha Linnaeus, 1753
- Genus Calyptrostigma Klotzsch in J.G.C. Lehmann, 1845 accepted as Beyeria Miquel, 1844
- Genus Camirium J. Gaertner, 1791 accepted as Aleurites J.R. Forster & J.G.A. Forster, 1775
- Genus Canschi Adanson, 1763 accepted as Mallotus Loureiro, 1790
- Genus Caoutchoua J.F. Gmelin, 1792 accepted as Hevea Aublet, 1775
- Genus Capellenia Teijsmann & Binnendijk, 1867 accepted as Endospermum Bentham, 1861
- Genus Caperonia A.F.C.P. Saint-Hilaire, 1826
- Genus Carcia E.A. Raeuschel, 1797 accepted as Garcia Rohr, 1792
- Genus Carumbium Reinwardt, 1825 accepted as Homalanthus A.H.L. Jussieu, 1824
- Genus Carumbium W.S. Kurz, 1875 accepted as Sapium N.J. Jacquin, 1760
- Genus Caryodendron H. Karsten, 1860
- Genus Cascarilla Adanson, 1763 accepted as Croton Linnaeus, 1753
- Genus Castiglionia Ruiz & Pavon, 1794 accepted as Jatropha Linnaeus, 1753
- Genus Caturus Linnaeus, 1767 accepted as Acalypha Linnaeus, 1753
- Genus Cavacoa J. Léonard, 1955
- Genus Cavanilla Vellozo, 1829 accepted as Caperonia A.F.C.P. Saint-Hilaire, 1826
- Genus Cenesmon Gagnepain, 1925 accepted as Cnesmone Blume, 1826
- Genus Centrandra H. Karsten, 1857 accepted as Croton Linnaeus, 1753
- Genus Centrodiscus J. Müller Arg. in C.F.P. Martius, 1874 accepted as Caryodendron H. Karsten, 1860
- Genus Centrostylis Baillon, 1858 accepted as Adenochlaena Boivin ex Baillon, 1858
- Genus Cephalocroton Hochstetter, 1841
- Genus Cephalocrotonopsis Pax in Engler, 1910
- Genus Cephalomappa Baillon, 1874
- Genus Ceraselma G.C. Wittstein accepted as Euphorbia Linnaeus, 1753
- Genus Ceratococcus C.F. Meisner, 1843 accepted as Plukenetia Linnaeus, 1753
- Genus Ceratophorus Sonder, 1850 accepted as Suregada Roxburgh ex Rottler, 1803
- Genus Cetrandra H. Karsten, 1857
- Genus Chamaesyce Rafinesque, 1817
- Genus Chamaesyce S.F. Gray, 1821 accepted as Euphorbia Linnaeus, 1753
- Genus Characias S.F. Gray, 1821 accepted as Euphorbia Linnaeus, 1753
- Genus Cheilosa Blume, 1826
- Genus Chicomendes W. Cordeiro & M.F. Sales, 2021
- Genus Chiropetalum A.H.L. Jussieu, 1832
- Genus Chlamydojatropha Pax & K. Hoffmann in Engler, 1912
- Genus Chloradenia Baillon, 1858 accepted as Cladogynos Zippelius ex Spanoghe, 1841
- Genus Chlorocaulon Klotzsch ex Endlicher, 1850
- Genus Chlorolepis Nuttall, 1841
- Genus Chloropatane Engler, 1899 accepted as Erythrococca Bentham in W.J. Hooker, 1849
- Genus Chondrostylis Boerlage, 1897
- Genus Chrozophora A.H.L. Jussieu, 1824
- Genus Chylogala Fourreau, 1869 accepted as Euphorbia Linnaeus, 1753
- Genus Cieca Adanson, 1763 accepted as Croton Linnaeus, 1753
- Genus Cladodes Loureiro, 1790 accepted as Alchornea O. Swartz, 1788
- Genus Cladogelonium J. Léandri, 1939
- Genus Cladogynos Zippelius ex Spanoghe, 1841
- Genus Claoxylon A.H.L. Jussieu, 1824
- Genus Claoxylopsis J. Léandri, 1939
- Genus Clarorivinia Pax & K. Hoffmann in Engler, 1914 accepted as Ptychopyxis Miquel, 1861
- Genus Clavipodium N.A. Desvaux ex G.R. Grüning, 1913 accepted as Beyeria Miquel, 1844
- Genus Clavistylus J.J. Smith, 1910 accepted as Megistostigma J.D. Hooker, 1887
- Genus Cleidiocarpon Airy Shaw, 1965
- Genus Cleidion Blume, 1826
- Genus Cleodora Klotzsch, 1841 accepted as Croton Linnaeus, 1753
- Genus Clonostachys J.F. Klotzsch, 1841 accepted as Sebastiania K.P.J. Sprengel, 1820
- Genus Clonostylis S.M. Moore, 1925
- Genus Clusiophyllum J. Müller Arg., 1864 accepted as Micrandra Bentham, 1854
- Genus Cnemidostachys C.F.P. Martius & Zuccarini, 1824 accepted as Sebastiania K.P.J. Sprengel, 1820
- Genus Cnesmone Blume, 1826
- Genus Cnesmosa Blume, 1826 accepted as Cnesmone Blume, 1826
- Genus Cnidoscolus Pohl, 1827
- Genus Coccoceras Miquel, 1861 accepted as Mallotus Loureiro, 1790
- Genus Cocconerion Baillon, 1873
- Genus Codiaeophyllum K. Rásky, 1966 †
- Genus Codiaeum A.H.L. Jussieu, 1824
- Genus Codonocalyx J.F. Klotzsch ex H.E. Baillon, 1858 accepted as Croton Linnaeus, 1753
- Genus Coelebogyne J. Smith, 1839 accepted as Caelebogyne J. Smith, 1839
- Genus Coelobogyne J. Smith accepted as Caelebogyne J. Smith, 1839
- Genus Coelodepas J.C. Hasskarl, 1857 accepted as Koilodepas Hasskarl, 1856
- Genus Coelodiscus Baillon, 1858 accepted as Mallotus Loureiro, 1790
- Genus Collenucia Chiovenda, 1929 accepted as Jatropha Linnaeus, 1753
- Genus Colliguaja Molina, 1782
- Genus Colobocarpos H-J. Esser & P.C. van Welzen, 2001
- Genus Comatocroton H. Karsten, 1859 accepted as Croton Linnaeus, 1753
- Genus Combretopsis K.M. Schumann in K.M. Schumann & Hollrung, 1889
- Genus Commia Loureiro, 1790 accepted as Excoecaria Linnaeus, 1759
- Genus Comopycna C.E.O. Kuntze in Post & Kuntze, 1903 accepted as Pycnocoma Bentham in W.J. Hooker, 1849
- Genus Comopyena C.E.O. Kuntze in Post & Kuntze, 1903 accepted as Pycnocoma Bentham in W.J. Hooker, 1849
- Genus Conceveiba Aublet, 1775
- Genus Conceveibastrum (J. Müller Arg.) Pax & K. Hoffmann in Engler, 1914 accepted as Conceveiba Aublet, 1775
- Genus Conceveibum A. Richard ex A.H.L. Jussieu, 1824 accepted as Conceveiba Aublet, 1775
- Genus Conceveïbum A. Richard ex A.H.L. Jussieu, 1824 represented as Conceveibum A. Richard ex A.H.L. Jussieu, 1824
- Genus Conosapium J. Müller Arg., 1863
- Genus Cordemoya Baillon, 1861 accepted as Hancea B.C. Seemann, 1857
- Genus Corythea S. Watson, 1887 accepted as Acalypha Linnaeus, 1753
- Genus Coucevciba Aublet, 1775
- Genus Couceveiba Aublet, 1775
- Genus Cremophyllum Scheidweiler, 1842 accepted as Dalechampia Linnaeus, 1753
- Genus Crepidaria A.H. Haworth, 1812 accepted as Pedilanthus Necker ex Poiteau, 1812
- Genus Crossophora J.H.F. Link, 1831 accepted as Chrozophora A.H.L. Jussieu, 1824
- Genus Croton Linnaeus, 1753
- Genus Crotonanthus J.F. Klotzsch ex D.F.L. von Schlechtendal, 1855 accepted as Croton Linnaeus, 1753
- Genus Crotonogyne J. Müller Arg., 1864
- Genus Crotonogynopsis Pax, 1899
- Genus Crotonophyllum Velenovský, 1889 †
- Genus Crotonopsis A. Michaux, 1803 accepted as Croton Linnaeus, 1753
- Genus Crozophora A.H.L. Jussieu, 1824 accepted as Chrozophora A.H.L. Jussieu, 1824
- Genus Crozophyla Rafinesque, 1838 accepted as Codiaeum A.H.L. Jussieu, 1824
- Genus Ctenadena Prokhanow, 1933 accepted as Euphorbia Linnaeus, 1753
- Genus Ctenomeria W.H. Harvey, 1842 accepted as Tragia Linnaeus, 1753
- Genus Cubacroton Alain, 1961 accepted as Moacroton Croizat, 1945
- Genus Cubanthus (Boissier) Millspaugh, 1913 accepted as Euphorbia Linnaeus, 1753
- Genus Cunuria Baillon, 1864
- Genus Cupameni Adanson, 1763 accepted as Acalypha Linnaeus, 1753
- Genus Cupamenis Rafinesque, 1838
- Genus Curcas Adanson, 1763 accepted as Jatropha Linnaeus, 1753
- Genus Cyathophora Rafinesque, 1838 accepted as Euphorbia Linnaeus, 1753
- Genus Cyclostigma Klotzsch in B.C. Seemann, 1853 accepted as Croton Linnaeus, 1753
- Genus Cynocrambe J. Hill, 1756 accepted as Mercurialis Linnaeus, 1753
- Genus Cyrtogonone Prain, 1911
- Genus Cystidospermum Prokhanow, 1933 accepted as Euphorbia Linnaeus, 1753
- Genus Cyttaranthus J. Léonard, 1955
- Genus Dactylanthes A.H. Haworth, 1812 accepted as Euphorbia Linnaeus, 1753
- Genus Dactylostemon Klotzsch, 1841 accepted as Actinostemon C.F.P. Martius ex Klotzsch, 1841
- Genus Dalechampia Linnaeus, 1753
- Genus Dalechampsia T.E. von Post & C.E.O. Kuntze accepted as Dalechampia Linnaeus, 1753
- Genus Dalembertia Baillon, 1858
- Genus Decarinium Rafinesque, 1825 accepted as Croton Linnaeus, 1753
- Genus Deflersia G.A. Schweinfurth ex A.J.O. Penzig, 1893 accepted as Erythrococca Bentham in W.J. Hooker, 1849
- Genus Dematra Rafinesque, 1840 accepted as Euphorbia Linnaeus, 1753
- Genus Dendrobryon J.F. Klotzsch ex F.A. Pax, 1912 accepted as Tetraplandra Baillon, 1858
- Genus Dendrocousinsia Millspaugh, 1913
- Genus Dendrothrix H.-J. Esser, 1993
- Genus Deonia J.B.L. Pierre ex F.A. Pax, 1911 accepted as Blachia Baillon, 1858
- Genus Desfontaena Vellozo, 1829 accepted as Chiropetalum A.H.L. Jussieu, 1832
- Genus Desfontaina E.G. von Steudel, 1840 accepted as Chiropetalum A.H.L. Jussieu, 1832
- Genus Desfontainea H.G.L. Reichenbach, 1841 accepted as Chiropetalum A.H.L. Jussieu, 1832
- Genus Desmonema Rafinesque, 1833 accepted as Euphorbia Linnaeus, 1753
- Genus Desmostemon Thwaites, 1861 accepted as Paracroton Miquel, 1859
- Genus Deuteromallotus Pax & K. Hoffmann in Engler, 1914 accepted as Hancea B.C. Seemann, 1857
- Genus Deutzianthus Gagnepain, 1924
- Genus Diadenaria Klotzsch & Garcke in Klotzsch, 1859 accepted as Pedilanthus Necker ex Poiteau, 1812
- Genus Dibrachion E. Regel, 1866 accepted as Homalanthus A.H.L. Jussieu, 1824
- Genus Dibrachium W.G. Walpers, 1845-1846 accepted as Homalanthus A.H.L. Jussieu, 1824
- Genus Dichelactina Hance in Walpers, 1852 accepted as Phyllanthus Linnaeus, 1753
- Genus Dichostemma Pierre, 1896
- Genus Dichrophyllum Klotzsch & Garcke in Klotzsch, 1859 accepted as Euphorbia Linnaeus, 1753
- Genus Dichylium N.L. Britton in N.L. Britton & P. Wilson, 1924 accepted as Euphorbia Linnaeus, 1753
- Genus Diderotia Baillon, 1861 accepted as Orfilea Baillon, 1858
- Genus Dimorphocalyx Thwaites, 1861
- Genus Diplochlamys J. Müller Arg., 1864 accepted as Hancea B.C. Seemann, 1857
- Genus Diplocyathium H. Schmidt, 1907 accepted as Euphorbia Linnaeus, 1753
- Genus Diplostylis O.W. Sonder, 1850 accepted as Adenocline Turczaninow, 1843
- Genus Discoclaoxylon (J. Müller Arg.) F. Pax & K. Hoffmann in Engler, 1914
- Genus Discocleidion (J. Müller Arg.) Pax & K. Hoffmann in Engler, 1914
- Genus Discoglypremna Prain, 1911
- Genus Discoplis Rafinesque, 1838 accepted as Mercurialis Linnaeus, 1753
- Genus Ditaxis Vahl ex A.H.L. Jussieu, 1824
- Species Ditaxis acaulis Herter ex Arechav.
- Species Ditaxis adenophora (A. Gray) Pax & K. Hoffm.
- Species Ditaxis aphoroides (Müll. Arg.) Pax
- Species Ditaxis argentea (Millsp.) Pax & K. Hoffm. accepted as Argythamnia argentea Millsp.
- Species Ditaxis argothamnoides (Bertol. ex Spreng.) Radcl.-Sm. & Govaerts
- Species Ditaxis arlynniana (J.W. Ingram) Radcl.-Sm. & Govaerts
- Species Ditaxis blodgettii (Torr. ex Chapm.) Pax accepted as Ditaxis argothamnoides (Bertol. ex Spreng.) Radcl.-Sm. & Govaerts
- Species Ditaxis brandegeei (Millsp.) Rose & Standl.
- Species Ditaxis brasiliensis (Klotzsch) Baill. accepted as Philyra brasiliensis Klotzsch
- Species Ditaxis breviramea (Müll. Arg.) Pax & K. Hoffm.
- Species Ditaxis californica (Brandegee) A. Heller accepted as Ditaxis serrata (Torr.) A. Heller
- Species Ditaxis calycina (Müll. Arg.) Pax & K. Hoffm.
- Species Ditaxis castaneifolia (L.) Baill. accepted as Caperonia castaneifolia (L.) A. St.-Hil.
- Species Ditaxis catamarcensis (Griseb.) Pax
- Species Ditaxis chiropetala Bertero accepted as Chiropetalum berteroanum Schltdl.
- Species Ditaxis chrysantha Klotzsch accepted as Ditaxis simoniana Casar.
- Species Ditaxis clariana (Jeps.) G.L. Webster
- Species Ditaxis cordata (A. St.-Hil.) Baill. accepted as Caperonia cordata A. St.-Hil.
- Species Ditaxis cuneifolia Pax & K. Hoffm.
- Species Ditaxis cyanophylla Wooton & Standl.
- Species Ditaxis depressa (Greenm.) Pax & K. Hoffm.
- Species Ditaxis desertorum (Müll. Arg.) Pax & K. Hoffm.
- Species Ditaxis dioica Kunth
- Species Ditaxis diversiflora Clokey accepted as Ditaxis cyanophylla Wooton & Standl.
- Species Ditaxis dressleriana (J.W. Ingram) Radcl.-Sm. & Govaerts
- Species Ditaxis erubescens (Johnst.) Pax & K. Hoffm.
- Species Ditaxis fasciculata Gardner accepted as Ditaxis simoniana Casar.
- Species Ditaxis fasciculata Vahl ex A. Juss.
- Species Ditaxis fendleri (Müll. Arg.) Pax & K. Hoffm. accepted as Ditaxis argothamnoides (Bertol. ex Spreng.) Radcl.-Sm. & Govaerts
- Species Ditaxis gardneri (Müll. Arg.) Pax & K. Hoffm.
- Species Ditaxis gentryi (J.W. Ingram) Radcl.-Sm. & Govaerts accepted as Ditaxis manzanilloana (Rose) Pax & K. Hoffm.
- Species Ditaxis glabella Griseb. accepted as Ditaxis polygama (Jacq.) Wheeler
- Species Ditaxis gracilis (Brandegee) Rose & Standl. accepted as Ditaxis neomexicana (Müll. Arg.) A. Heller
- Species Ditaxis guatemalensis (Müll. Arg.) Pax & K. Hoffm.
- Species Ditaxis haemiolandra Griseb. accepted as Adelia haemiolandra (Griseb.) Pax & K. Hoffm.
- Species Ditaxis haitiensis Urb.
- Species Ditaxis heterantha Zucc.
- Species Ditaxis hilariana Baill. accepted as Ditaxis simoniana Casar.
- Species Ditaxis humilis (Engelm. & A. Gray) Pax
- Species Ditaxis illimaniensis Baill.
- Species Ditaxis jablonszkyana Pax & K. Hoffm.
- Species Ditaxis katharinae Pax
- Species Ditaxis laevis (A. Gray ex Torr.) A. Heller accepted as Ditaxis humilis (Engelm. & A. Gray) Pax
- Species Ditaxis lanceolata (Benth.) Pax & K. Hoffm.
- Species Ditaxis lancifolia Schltdl. accepted as Ditaxis polygama (Jacq.) Wheeler
- Species Ditaxis linearifolia (A. St.-Hil.) Baill. accepted as Caperonia linearifolia A. St.-Hil.
- Species Ditaxis macrantha Pax & K. Hoffm.
- Species Ditaxis macrobotrys Pax & K. Hoffm.
- Species Ditaxis malmeana Pax & K. Hoffm.
- Species Ditaxis malpighiacea (Ule) Pax & K. Hoffm.
- Species Ditaxis malpighipila (Hicken) Wheeler
- Species Ditaxis manzanilloana (Rose) Pax & K. Hoffm.
- Species Ditaxis melochiiflora Baill. accepted as Ditaxis simoniana Casar.
- Species Ditaxis mercurialina (Nutt.) Coult.
- Species Ditaxis micrandra (Croizat) Radcl.-Sm. & Govaerts
- Species Ditaxis montevidensis (Didr.) Pax
- Species Ditaxis neomexicana (Müll. Arg.) A. Heller
- Species Ditaxis odontophylla Rose & Standl. accepted as Ditaxis serrata (Torr.) A. Heller
- Species Ditaxis palmeri (S. Watson) Pax & K. Hoffm. accepted as Ditaxis lanceolata (Benth.) Pax & K. Hoffm.
- Species Ditaxis pilosissima (Benth.) A. Heller
- Species Ditaxis polygama (Jacq.) Wheeler
- Species Ditaxis polymorpha Baill. accepted as Caperonia heteropetala Didr.
- Species Ditaxis pringlei (Greenm.) Pax & K. Hoffm.
- Species Ditaxis purpurascens (S. Moore) Pax & K. Hoffm.
- Species Ditaxis rhizantha Pax & K. Hoffm.
- Species Ditaxis rosularis Pax & K. Hoffm.
- Species Ditaxis rubricaulis Pax & K. Hoffm.
- Species Ditaxis salina Pax & K. Hoffm.
- Species Ditaxis sellowiana Pax & K. Hoffm.
- Species Ditaxis sericophylla (A. Gray) A. Heller accepted as Ditaxis lanceolata (Benth.) Pax & K. Hoffm.
- Species Ditaxis serrata (Torr.) A. Heller
- Species Ditaxis simoniana Casar.
- Species Ditaxis simulans (J.W. Ingram) Radcl.-Sm. & Govaerts
- Species Ditaxis sinaloae I.M. Johnst.
- Species Ditaxis tinctoria (Millsp.) Pax & K. Hoffm. accepted as Argythamnia tinctoria Millsp.
- Species Ditaxis trinervia Baill. accepted as Ditaxis montevidensis (Didr.) Pax
- Species Ditaxis triplinervia Klotzsch accepted as Ditaxis montevidensis (Didr.) Pax
- Genus Ditrita Rafinesque, 1838 accepted as Chamaesyce S.F. Gray, 1821
- Genus Ditritea accepted as Chamaesyce S.F. Gray, 1821
- Genus Ditritra Rafinesque, 1838 accepted as Euphorbia Linnaeus, 1753
- Genus Ditrysinia Rafinesque, 1825
- Genus Ditta Grisebach, 1860
- Genus Dodecastigma Ducke, 1932
- Genus Domohinea J. Leandri, 1941
- Genus Donzellia M. Tenore, 1839
- Genus Doryxylon Zollinger, 1857
- Genus Drepadenium Rafinesque, 1825 accepted as Croton Linnaeus, 1753
- Genus Droceloncia J. Léonard, 1959
- Genus Dryandra Thunberg, 1783 accepted as Vernicia Loureiro, 1790
- Genus Duania F. Noroña, 1790 accepted as Homalanthus A.H.L. Jussieu, 1824
- Genus Duchola Adanson, 1763 accepted as Omphalea Linnaeus, 1759
- Genus Durandeeldea O. Kuntze, 1891 accepted as Acidoton O. Swartz, 1788
- Genus Durandeeldia Kuntze accepted as Acidoton O. Swartz, 1788
- Genus Duvigneaudia J. Léonard, 1959
- Genus Dysopsis Baillon, 1858
- Genus Echinocroton F. von Mueller, 1858 accepted as Mallotus Loureiro, 1790
- Genus Echinosphaera F.W. Sieber ex E.G. von Steudel, 1840 accepted as Ricinocarpos Desfontaines, 1817
- Genus Echinus Loureiro, 1790 accepted as Mallotus Loureiro, 1790
- Genus Elachocroton F. von Mueller, 1857 accepted as Sebastiania K.P.J. Sprengel, 1820
- Genus Elaeococca Commerson ex A.H.L. Jussieu, 1824 accepted as Vernicia Loureiro, 1790
- Genus Elaeococcus Sprengel, 1826 accepted as Vernicia Loureiro, 1790
- Genus Elaeophora Ducke, 1925 accepted as Plukenetia Linnaeus, 1753
- Genus Elaeophorbia Stapf in H. Johnston, 1906 accepted as Euphorbia Linnaeus, 1753
- Genus Elateriodes C.E.O. Kuntze in Post & Kuntze, 1903 accepted as Elateriospermum Blume, 1826
- Genus Elaterioides Kuntze accepted as Elateriospermum Blume, 1826
- Genus Elateriospermum Blume, 1826
- Genus Elaterispermum H.G.L. Reichenbach, 1841 accepted as Elateriospermum Blume, 1826
- Genus Eleutherostigma Pax & K. Hoffmann in Engler, 1919 accepted as Plukenetia Linnaeus, 1753
- Genus Eluteria E.G. von Steudel, 1821 accepted as Croton Linnaeus, 1753
- Genus Enchidium Jack, 1822 accepted as Trigonostemon Blume, 1826
- Genus Endadenium L.C. Leach, 1973 accepted as Euphorbia Linnaeus, 1753
- Genus Endoisila Rafinesque, 1838 accepted as Euphorbia Linnaeus, 1753
- Genus Endospermum Bentham, 1861
- Genus Engelmannia Klotzsch, 1841 accepted as Croton Linnaeus, 1753
- Genus Enriquebeltrania J. Rzedowski, 1980
- Genus Epiprinus W. Griffith, 1854
- Genus Epurga J.P. Fourreau, 1869 accepted as Euphorbia Linnaeus, 1753
- Genus Eraclissa Forsskål, 1775 accepted as Andrachne Linnaeus, 1753
- Genus Eremocarpus Bentham, 1844 accepted as Croton Linnaeus, 1753
- Genus Erismanthus Wallich ex J. Müller Arg. in Alph. de Candolle, 1866
- Genus Erythrocarpus Blume, 1826 accepted as Suregada Roxburgh ex Rottler, 1803
- Genus Erythrochilus C.G.C. Reinwardt, 1825 accepted as Claoxylon A.H.L. Jussieu, 1824
- Genus Erythrochylus C.G.C. Reinwardt, 1825 accepted as Claoxylon A.H.L. Jussieu, 1824
- Genus Erythrococca Bentham in W.J. Hooker, 1849
- Genus Esula Morandi, 1761
- Genus Esula (Persoon) A.H. Haworth, 1812 accepted as Euphorbia Linnaeus, 1753
- Genus Euforbia M. Tenore, 1811-1815 accepted as Euphorbia Linnaeus, 1753
- Genus Eumecanthus Klotzsch & Garcke in Klotzsch, 1859 accepted as Euphorbia Linnaeus, 1753
- Genus Euphorbi accepted as Euphorbia Linnaeus, 1753
- Genus Euphorbia Linnaeus, 1753
- Genus Euphorbiastrum Klotzsch & Garcke in Klotzsch, 1859 accepted as Euphorbia Linnaeus, 1753
- Genus Euphorbiocarpon R.C. Mehrotra, U. Prakash & M.B. Bande, 1983 †
- Genus Euphorbiodendron Millspaugh, 1909 accepted as Euphorbia Linnaeus, 1753
- Genus Euphorbiofolium Kilpper, 1964 †
- Genus Euphorbioides C.O. Weber in Wessel & C.O. Weber, 1855 †
- Genus Euphorbion J.B. Saint-Lager, 1880 accepted as Euphorbia Linnaeus, 1753
- Genus Euphorbiophloios Langeron, 1899 †
- Genus Euphorbiopsis A.A.H. Léveillé, 1911 accepted as Euphorbia Linnaeus, 1753
- Genus Euphorbiospermum E.M. Reid & M.E.J. Chandler, 1933 †
- Genus Euphorbiotheca E.M. Reid & M.E.J. Chandler, 1933 †
- Genus Euphorbioxylon Felix, 1887 †
- Genus Euphorbium J. Hill, 1756 accepted as Euphorbia Linnaeus, 1753
- Genus Euphorbocarpum Knowlton, 1917 †
- Genus Eutrophia Klotzsch accepted as Croton Linnaeus, 1753
- Genus Eutropia Klotzsch, 1841 accepted as Croton Linnaeus, 1753
- Genus Excoecaria Linnaeus, 1759
- Genus Excoecariopsis Pax, 1910 accepted as Spirostachys Sonder, 1850
- Genus Fahrenheitia H.G.L. Reichenbach & H. Zollinger ex J. Müller Arg. in Alph. de Candolle, 1866 accepted as Paracroton Miquel, 1859
- Genus Falconeria Royle, 1839
- Genus Flueggeopsis K.M. Schumann in K.M. Schumann & Lauterbach, 1905 accepted as Phyllanthus Linnaeus, 1753
- Genus Fontainea Heckel, 1870
- Genus Fragariopsis A.F.C. Saint-Hilaire, 1840 accepted as Plukenetia Linnaeus, 1753
- Genus Friesia K.P.J. Sprengel, 1818 accepted as Croton Linnaeus, 1753
- Genus Furcaria L.H. Boivin ex H.E. Baillon, 1858 accepted as Croton Linnaeus, 1753
- Genus Galarhoeus A.H. Haworth, 1812 accepted as Euphorbia Linnaeus, 1753
- Genus Galurus K.P.J. Sprengel, 1817 accepted as Acalypha Linnaeus, 1753
- Genus Garcia Rohr, 1792
- Genus Garciadelia B. Jestrow & F. Jiménez Rodríguez, 2010
- Genus Gavarretia Baillon, 1861
- Genus Geiseleria Klotzsch, 1841 accepted as Croton Linnaeus, 1753
- Genus Geiseleria Klotzsch, 1843
- Genus Gelonium Roxburgh ex Willdenow, 1806 accepted as Suregada Roxburgh ex Rottler, 1803
- Genus Gitara Pax & K. Hoffmann in Engler, 1924 accepted as Acidoton O. Swartz, 1788
- Genus Givotia W. Griffith, 1843
- Genus Glochidioxylon Ramanujam, 1956 †
- Genus Glycydendron Ducke, 1922
- Genus Glyphostylus Gagnepain, 1925 accepted as Excoecaria Linnaeus, 1759
- Genus Gradyana S.M. Athiê-Souza, A.L. Melo & M.F. Sales, 2015
- Genus Grimmeodendron Urban, 1908
- Genus Grossera Pax in Engler, 1903
- Genus Gussonia K.P.J. Sprengel, 1820 accepted as Sebastiania K.P.J. Sprengel, 1820
- Genus Gymnalypha Grisebach, 1858 accepted as Acalypha Linnaeus, 1753
- Genus Gymnanthes O. Swartz, 1788
- Genus Gymnobothrys N. Wallich ex H.E. Baillon, 1858 accepted as Sapium N.J. Jacquin, 1760
- Genus Gymnostillingia J. Müller Arg., 1863 accepted as Stillingia Garden ex Linnaeus, 1767
- Genus Gynamblosis Torrey, 1853 accepted as Croton Linnaeus, 1753
- Genus Haematospermum N. Wallich, 1832 accepted as Homonoia Loureiro, 1790
- Genus Haematostemon (J. Müller Arg.) Pax & K. Hoffmann in Engler, 1919
- Genus Halecus Rafinesque, 1838 accepted as Croton Linnaeus, 1753
- Genus Hamilcoa Prain, 1912
- Genus Hancea B.C. Seemann, 1857
- Genus Hasskarlia Baillon, 1860 accepted as Tetrorchidium Poeppig in Poeppig & Endlicher, 1841
- Genus Hebecocca Beurling, 1856 accepted as Omphalea Linnaeus, 1759
- Genus Hecatea Du Petit-Thouars, 1804 accepted as Omphalea Linnaeus, 1759
- Genus Hedraiostylus Hasskarl, 1843 accepted as Plukenetia Linnaeus, 1753
- Genus Hemecyclia R. Wight & Arnott, 1833
- Genus Hendecandra Eschscholtz, 1826 accepted as Croton Linnaeus, 1753
- Genus Hendecandras J.F.G. von Eschscholtz accepted as Croton Linnaeus, 1753
- Genus Heptallon Rafinesque, 1825 accepted as Croton Linnaeus, 1753
- Genus Heptanis Rafinesque, 1825
- Genus Hermesia Humboldt & Bonpland ex Willdenow, 1806 accepted as Alchornea O. Swartz, 1788
- Genus Heterocalyx Gagnepain, 1950 accepted as Agrostistachys Dalzell, 1850
- Genus Heterochlamys Turczaninow, 1843 accepted as Croton Linnaeus, 1753
- Genus Heterocroton S. Moore, 1895 accepted as Croton Linnaeus, 1753
- Genus Hevea Aublet, 1775
- Genus Heveoxylon Kruse, 1954 †
- Genus Hexadenia Klotzsch & Garcke in Klotzsch, 1859 accepted as Pedilanthus Necker ex Poiteau, 1812
- Genus Hippocrepandra J. Müller Arg., 1865 accepted as Monotaxis A.T. Brongniart in Duperrey, 1834
- Genus Hippomane Linnaeus, 1753
- Genus Hippomaneoidea W.L. Crepet & C.P. Daghlian, 1982 †
- Genus Holstia Pax, 1909 accepted as Neoholstia S. Rauschert, 1982
- Genus Homalanthus A.H.L. Jussieu, 1824
- Genus Homonoia Loureiro, 1790
- Genus Hotnima A. Chevalier, 1908 accepted as Manihot P. Miller, 1754
- Genus Hura Linnaeus, 1753
- Genus Hylandia Airy Shaw, 1974
- Genus Hylococcus R. Brown ex T.L. Mitchell, 1848
- Genus Hypocoton Urban, 1912 accepted as Bonania A. Richard in Sagra, 1850
- Genus Iatropha Stokes, 1812
- Genus Janipha Kunth in Humboldt, Bonpland & Kunth, 1817 accepted as Manihot P. Miller, 1754
- Genus Jatropa J.A. Scopoli, 1777 accepted as Jatropha Linnaeus, 1753
- Genus Jatropha Linnaeus, 1753
- Genus Joannesia Vellozo, 1798
- Genus Julocroton C.F.P. Martius, 1837 accepted as Croton Linnaeus, 1753
- Genus Junghuhnia Miquel, 1859 accepted as Codiaeum A.H.L. Jussieu, 1824
- Genus Junodia Pax in Engler, 1899
- Genus Jussieuia Houstoun, 1781 accepted as Cnidoscolus Pohl, 1827
- Genus Kanopikon Rafinesque, 1838 accepted as Euphorbia Linnaeus, 1753
- Genus Karima M. Cheek & R. Riina in M. Cheek et al., 2016
- Genus Keraselma Necker ex A.L. Jussieu in F. Cuvier, 1822 accepted as Euphorbia Linnaeus, 1753
- Genus Klaineanthus Pierre ex Prain, 1912
- Genus Klotzschiphytum Baillon, 1858 accepted as Croton Linnaeus, 1753
- Genus Kobiosis Rafinesque, 1840 accepted as Euphorbia Linnaeus, 1753
- Genus Koilodepas Hasskarl, 1856
- Genus Kunstlera King in J.D. Hooker, 1887
- Genus Kunstlerodendron Ridley, 1924 accepted as Chondrostylis Boerlage, 1897
- Genus Kurkas C.S. Rafinesque, 1838 accepted as Croton Linnaeus, 1753
- Genus Kurkas Adanson, 1763
- Genus Kurziodendron N.P. Balakrishnan, 1966 accepted as Trigonostemon Blume, 1826
- Genus Lacanthis Rafinesque, 1837 accepted as Euphorbia Linnaeus, 1753
- Genus Lambertya F.J.H. von Mueller accepted as Bertya J.E. Planchon, 1845
- Genus Lascadium Rafinesque, 1817
- Genus Lasiococca J.D. Hooker, 1887
- Genus Lasiocroton Grisebach, 1859
- Genus Lasiogyne Klotzsch, 1843 accepted as Croton Linnaeus, 1753
- Genus Lasiostyles K.B. Presl, 1845 accepted as Cleidion Blume, 1826
- Genus Lasipana Rafinesque, 1838 accepted as Mallotus Loureiro, 1790
- Genus Lassia Baillon, 1858 accepted as Tragia Linnaeus, 1753
- Genus Lathyris C.J. Trew, 1754 accepted as Euphorbia Linnaeus, 1753
- Genus Laurembergia H.E. Baillon accepted as Orfilea Baillon, 1858
- Genus Lautembergia Baillon, 1858 accepted as Orfilea Baillon, 1858
- Genus Leeuwenbergia R. Letouzey & N. Hallé, 1974
- Genus Leidesia J. Müller Arg. in Alph. de Candolle, 1866
- Genus Leontia H.G.L. Reichenbach, 1828 accepted as Croton Linnaeus, 1753
- Genus Lepadena Rafinesque, 1838 accepted as Euphorbia Linnaeus, 1753
- Genus Lepidanthus Nuttall, 1835
- Genus Lepidococca Turczaninow, 1848 accepted as Caperonia A.F.C.P. Saint-Hilaire, 1826
- Genus Lepidococea Turczaninow accepted as Lepidococca Turczaninow, 1848
- Genus Lepidoturus Bojer ex Baillon, 1858 accepted as Alchornea O. Swartz, 1788
- Genus Leptemon Rafinesque, 1808 accepted as Croton Linnaeus, 1753
- Genus Leptobotrys Baillon, 1858 accepted as Tragia Linnaeus, 1753
- Genus Leptomeria Sieber accepted as Amperea A.H.L. Jussieu, 1824
- Genus Leptopus Klotzsch & Garcke in Klotzsch, 1859 accepted as Euphorbia Linnaeus, 1753
- Genus Leptorhachis Klotzsch, 1841 accepted as Tragia Linnaeus, 1753
- Genus Leucadenia J.F. Klotzsch ex H.E. Baillon, 1864 accepted as Croton Linnaeus, 1753
- Genus Leucandra Klotzsch, 1841 accepted as Tragia Linnaeus, 1753
- Genus Leucocroton Grisebach, 1861
- Genus Limalbocarpon E.M.V. Nambudiri & P.L. Binda, 1989 †
- Genus Linostachys Klotzsch ex D.F.L. Schlechtendal, 1846 accepted as Acalypha Linnaeus, 1753
- Genus Lobanilia A. Radcliffe-Smith, 1989
- Genus Loerzingia Airy Shaw, 1963
- Genus Lophobios Rafinesque, 1838 accepted as Euphorbia Linnaeus, 1753
- Genus Lortia Rendle, 1898 accepted as Euphorbia Linnaeus, 1753
- Genus Loureira Cavanilles, 1799 accepted as Jatropha Linnaeus, 1753
- Genus Lumanaja Blanco, 1837 accepted as Homonoia Loureiro, 1790
- Genus Luntia Necker ex Rafinesque, 1838 accepted as Croton Linnaeus, 1753
- Genus Lyciopsis (Boissier) G. Schweinfurth, 1867 accepted as Euphorbia Linnaeus, 1753
- Genus Mabea Aublet, 1775
- Genus Macaranga Du Petit-Thouars, 1806
- Genus Macarangaephyllum K. Rásky, 1965 †
- Genus Macrocroton J.F. Klotzsch, 1849 accepted as Croton Linnaeus, 1753
- Genus Mallotophyllum K. Rásky, 1965 †
- Genus Mallotoxylon R.N. Lakhanpal & R. Dayal, 1964 †
- Genus Mallotus Loureiro, 1790
- Genus Mancanilla P. Miller, 1754 accepted as Hippomane Linnaeus, 1753
- Genus Mancinella F.R. de Tussac, 1824 accepted as Hippomane Linnaeus, 1753
- Genus Mandioca Link, 1831 accepted as Manihot P. Miller, 1754
- Genus Manihot P. Miller, 1754
- Genus Manihotites E.W. Berry, 1910 †
- Genus Manihotoides D.J. Rogers & S.G. Appan, 1973 accepted as Manihot P. Miller, 1754
- Genus Manniophyton J. Müller Arg., 1864
- Genus Mappa A.H.L. Jussieu, 1824 accepted as Macaranga Du Petit-Thouars, 1806
- Genus Maprounea Aublet, 1775
- Genus Mareya Baillon, 1860
- Genus Mareyopsis Pax & K. Hoffmann in Engler, 1919
- Genus Mecostylis Kurz ex Teysmann & Binnendijk, 1864 accepted as Macaranga Du Petit-Thouars, 1806
- Genus Medea Klotzsch, 1841 accepted as Croton Linnaeus, 1753
- Genus Medusea A.H. Haworth, 1812 accepted as Euphorbia Linnaeus, 1753
- Genus Megalostylis S.M. Moore, 1916 accepted as Dalechampia Linnaeus, 1753
- Genus Megistostigma J.D. Hooker, 1887
- Genus Meialisa Rafinesque, 1838 accepted as Adriana Gaudichaud-Beaupré, 1825
- Genus Melanolepis H.G.L. Reichenbach ex Zollinger, 1856
- Genus Mercadoa A. Náves in Blanco, 1880 (?) accepted as Doryxylon Zollinger, 1857
- Genus Mercurialis Linnaeus, 1753
- Genus Mercuriastrum Heister ex Fabricius, 1759 accepted as Acalypha Linnaeus, 1753
- Genus Merleta Rafinesque, 1840 accepted as Croton Linnaeus, 1753
- Genus Mesandrinia Rafinesque, 1825 accepted as Jatropha Linnaeus, 1753
- Genus Meterana Rafinesque, 1838 accepted as Caperonia A.F.C.P. Saint-Hilaire, 1826
- Genus Micrandra Bentham, 1854
- Genus Micrandra R. Brown, 1844 accepted as Hevea Aublet, 1775
- Genus Micrandropsis W.A. Rodrigues, 1973
- Genus Micranthea A.H.L. de Jussieu, 1824
- Genus Micrococca Bentham in W.J. Hooker, 1849
- Genus Microstachys A.H.L. Jussieu, 1824
- Genus Mildbraedia Pax, 1909
- Genus Mirabellia Bert. ex H.E. Baillon, 1858 accepted as Dysopsis Baillon, 1858
- Genus Moacroton Croizat, 1945
- Genus Molina C. Gay, 1851-1852 accepted as Dysopsis Baillon, 1858
- Genus Monadelpha L.J. Gillespie & W.M. Cardinal-McTeague, 2020
- Genus Monadenium Pax, 1894 accepted as Euphorbia Linnaeus, 1753
- Genus Monguia L.A. Chapelier ex H.E. Baillon, 1861 accepted as Croton Linnaeus, 1753
- Genus Monotaxis A.T. Brongniart in Duperrey, 1834
- Genus Moultonianthus E.D. Merrill, 1916
- Genus Mozinna Ortega, 1798 accepted as Jatropha Linnaeus, 1753
- Genus Muricococcum Chun & How, 1956 accepted as Cephalomappa Baillon, 1874
- Genus Murtekias Rafinesque, 1838 accepted as Euphorbia Linnaeus, 1753
- Genus Myladenia H.K. Airy Shaw, 1977
- Genus Myricanthe H.K. Airy Shaw, 1980
- Genus Myriogomphos Didrichsen, 1857
- Genus Myriogomphus D.F. Didrichsen, 1857 accepted as Croton Linnaeus, 1753
- Genus Nealchornea J. Huber, 1913
- Genus Necepsia Prain, 1910
- Genus Neoboutonia J. Müller Arg., 1864
- Genus Neogoetzea Pax in Engler, 1900 accepted as Bridelia Willdenow, 1806
- Genus Neoguillauminia Croizat, 1938
- Genus Neoholstia S. Rauschert, 1982
- Genus Neojatropha Pax in Engler, 1910 accepted as Mildbraedia Pax, 1909
- Genus Neomanniophyton Pax & K. Hoffmann in Engler, 1912 accepted as Crotonogyne J. Müller Arg., 1864
- Genus Neomphalea Pax & K. Hoffmann in Engler, 1919 accepted as Omphalea Linnaeus, 1759
- Genus Neopalissya Pax in Engler, 1914 accepted as Necepsia Prain, 1910
- Genus Neopycnocoma Pax, 1909 accepted as Argomuellera Pax, 1894
- Genus Neoscortechia O. Kuntze in T. Post & O. Kuntze, 1903
- Genus Neoscortechinia Pax in Engler & Prantl, 1897
- Genus Neoshirakia H.-J. Esser, 1998
- Genus Neotrewia Pax & K. Hoffmann in Engler, 1914 accepted as Mallotus Loureiro, 1790
- Genus Neotrigonostemon Pax & K. Hoffmann, 1928 accepted as Trigonostemon Blume, 1826
- Genus Nepenthandra S.M. Moore, 1905 accepted as Trigonostemon Blume, 1826
- Genus Nephrostylus Gagnepain, 1925 accepted as Koilodepas Hasskarl, 1856
- Genus Niedenzua Pax, 1894 accepted as Adenochlaena Boivin ex Baillon, 1858
- Genus Niruris Rafinesque, 1838
- Genus Nisomenes Rafinesque, 1838 accepted as Euphorbia Linnaeus, 1753
- Genus Ocalia Klotzsch, 1841 accepted as Croton Linnaeus, 1753
- Genus Octospermum Airy Shaw, 1965 accepted as Mallotus Loureiro, 1790
- Genus Odonteilema Turczaninow, 1848 accepted as Acalypha Linnaeus, 1753
- Genus Odotalon Rafinesque, 1838 accepted as Argythamnia P. Browne, 1756
- Genus Oligoceras Gagnepain, 1925
- Genus Omalanthus A.H.L. Jussieu, 1824 accepted as Homalanthus A.H.L. Jussieu, 1824
- Genus Omphalandria P. Browne, 1756 accepted as Omphalea Linnaeus, 1759
- Genus Omphalea Linnaeus, 1759
- Genus Omphaleaephyllum K. Rásky, 1966 †
- Genus Ophellantha Standley, 1924
- Genus Ophthalmoblapton Freire Allemão, 1849
- Genus Orfilea Baillon, 1858
- Genus Ossifraga Rumphius accepted as Euphorbia Linnaeus, 1753
- Genus Ostodes Blume, 1826
- Genus Owataria Matsumura, 1900 accepted as Suregada Roxburgh ex Rottler, 1803
- Genus Oxydectes Linnaeus ex O. Kuntze, 1891 accepted as Croton Linnaeus, 1753
- Genus Pachystemon Blume, 1826 accepted as Macaranga Du Petit-Thouars, 1806
- Genus Pachystroma J. Müller Arg., 1865
- Genus Pachystylidium Pax & K. Hoffmann in Engler, 1919
- Genus Palaeowetherella Chandler, 1954 † accepted as Palaeowetherellia M.E.J. Chandler, 1954 †
- Genus Palaeowetherellia M.E.J. Chandler, 1954 †
- Genus Palanostigma C.F.P. von Martius ex J.F. Klotzsch, 1843 accepted as Croton Linnaeus, 1753
- Genus Palissya Baillon, 1858 accepted as Necepsia Prain, 1910
- Genus Panopia F. Noroña ex L.M.A. du P. Thouars, 1806 accepted as Macaranga Du Petit-Thouars, 1806
- Genus Pantadenia Gagnepain, 1925
- Genus Paracelsea Zollinger, 1857 accepted as Acalypha Linnaeus, 1753
- Genus Paracroton Miquel, 1859
- Genus Paradenocline J. Müller Arg. in Alph. de Candolle, 1866 accepted as Adenocline Turczaninow, 1843
- Genus Paranecepsia A. Radcliffe-Smith, 1976
- Genus Parapantadenia R. Capuron, 1972
- Genus Passaea Baillon, 1858 accepted as Bernardia P. Miller, 1754
- Genus Pausandra Radlkofer, 1870
- Genus Paxiuscula W.G. Herter, 1941 accepted as Ditaxis Vahl ex A.H.L. Jussieu, 1824
- Genus Peccana Rafinesque, 1838 accepted as Euphorbia Linnaeus, 1753
- Genus Pedilanthus Necker ex Poiteau, 1812 accepted as Euphorbia Linnaeus, 1753
- Genus Penteca Rafinesque, 1838 accepted as Croton Linnaeus, 1753
- Genus Petalandra F. von Mueller, 1856 accepted as Euphorbia Linnaeus, 1753
- Genus Phaedra Klotzsch ex Endlicher, 1850 accepted as Bernardia P. Miller, 1754
- Genus Philyra Klotzsch, 1841
- Genus Phocea B.C. Seemann, 1870 accepted as Macaranga Du Petit-Thouars, 1806
- Genus Phyllanthidea Didrichsen, 1857
- Genus Phyllanthinium Ogura, 1932 †
- Genus Phyllanthoideoxylon G.F. Thayn & W.D. Tidwell, 1984 †
- Genus Phyllaurea Loureiro, 1790 accepted as Codiaeum A.H.L. Jussieu, 1824
- Genus Phyllera S.F.L. Endlicher accepted as Philyra Klotzsch, 1841
- Genus Pilinophyton Klotzsch accepted as Croton Linnaeus, 1753
- Genus Pilinophytum Klotzsch, 1841 accepted as Croton Linnaeus, 1753
- Genus Pimelodendron Hasskarl, 1856
- Genus Piranheoxylon N. Grambast, 1961 †
- Genus Piscaria Piper, 1906 accepted as Croton Linnaeus, 1753
- Genus Plagianthera H.G.L. Reichenbach ex Zollinger, 1856 accepted as Mallotus Loureiro, 1790
- Genus Plagiostyles Pierre, 1897
- Genus Platygyna Mercier, 1830
- Genus Pleopadium Rafinesque, 1840 accepted as Croton Linnaeus, 1753
- Genus Pleradenophora H.-J. Esser, 2001
- Genus Plesiatropha J.B.L. Pierre, 1900 accepted as Mildbraedia Pax, 1909
- Genus Pleuradena Rafinesque, 1833 accepted as Euphorbia Linnaeus, 1753
- Genus Plukenetia Linnaeus, 1753
- Genus Podadenia Thwaites, 1861
- Genus Podostachys Klotzsch, 1841 accepted as Croton Linnaeus, 1753
- Genus Poggeophyton Pax, 1894 accepted as Erythrococca Bentham in W.J. Hooker, 1849
- Genus Pogonophyllum F. Didrichsen, 1857 accepted as Micrandra Bentham, 1854
- Genus Poilaniella Gagnepain, 1925 accepted as Trigonostemon Blume, 1826
- Genus Poinsettia Graham, 1836 accepted as Euphorbia Linnaeus, 1753
- Genus Polyandra C.G. Leal, 1951
- Genus Polyboea Klotzsch ex Endlicher, 1850 accepted as Bernardia P. Miller, 1754
- Genus Polydragma J.D. Hooker, 1887 accepted as Spathiostemon Blume, 1826
- Genus Prosartema Gagnepain, 1925 accepted as Trigonostemon Blume, 1826
- Genus Pseudagrostistachys Pax & K. Hoffmann in Engler, 1912
- Genus Pseudolachnostyloxylon H. Gottwald, 1969 †
- Genus Pseudosenefeldera H.-J. Esser, 2001
- Genus Pseudotragia Pax, 1908 accepted as Plukenetia Linnaeus, 1753
- Genus Pseudotrewia Miquel, 1859 accepted as Wetria Baillon, 1858
- Genus Psilostachys Turczaninow, 1843 accepted as Cleidion Blume, 1826
- Genus Pterococcus Hasskarl, 1842 accepted as Plukenetia Linnaeus, 1753
- Genus Ptychopyxis Miquel, 1861
- Genus Putranjivoxylon Ramanujam, 1956 †
- Genus Pycnocoma Bentham in W.J. Hooker, 1849
- Genus Pythius C.S. Rafinesque, 1838 accepted as Euphorbia Linnaeus, 1753
- Genus Quadrasia Elmer, 1915
- Genus Radcliffea P Hoffmann & K.J. Wurdack, 2006
- Genus Ramelia Baillon, 1874 accepted as Bocquillonia Baillon, 1862
- Genus Redia Casaretto, 1843 accepted as Cleidion Blume, 1826
- Genus Reissipa E.G. von Steudel ex J.F. Klotzsch, 1848 accepted as Monotaxis A.T. Brongniart in Duperrey, 1834
- Genus Reutealis H.K. Airy Shaw, 1967
- Genus Rhodothyrsus H.-J. Esser, 1999
- Genus Rhopalostylis J.F. Klotzsch ex H.E. Baillon, 1865 accepted as Dalechampia Linnaeus, 1753
- Genus Ricinella J. Müller Arg., 1865 accepted as Adelia Linnaeus, 1759
- Genus Ricinocarpos Desfontaines, 1817
- Genus Ricinocarpus O. Kuntze, 1891 accepted as Acalypha Linnaeus, 1753
- Genus Ricinodendron J. Mueller-Arg., 1864
- Genus Ricinoides Moench, 1794 accepted as Chrozophora A.H.L. Jussieu, 1824
- Genus Ricinoides P. Miller, 1754
- Genus Ricinoides Gagnebin, 1755
- Genus Ricinus Linnaeus, 1753
- Genus Ritchieophyton F.A. Pax, 1910 accepted as Givotia W. Griffith, 1843
- Genus Rivinoides Afzelius ex D. Prain, 1911 accepted as Erythrococca Bentham in W.J. Hooker, 1849
- Genus Rockinghamia Airy Shaw, 1966
- Genus Roeperia K.P.J. Sprengel, 1826 accepted as Ricinocarpos Desfontaines, 1817
- Genus Romanoa Trevisan, 1848
- Genus Ronnowia Buchoz, 1779 accepted as Omphalea Linnaeus, 1759
- Genus Rottlera W. Roxburgh, 1798 accepted as Mallotus Loureiro, 1790
- Genus Sagotia Baillon, 1860
- Genus Saipania Hosokawa, 1935 accepted as Croton Linnaeus, 1753
- Genus Sajorium Endlicher, 1843 accepted as Plukenetia Linnaeus, 1753
- Genus Sampantaea Airy Shaw, 1972
- Genus Sandwithia Lanjouw, 1932
- Genus Sapiopsis J. Müller Arg., 1863 accepted as Sapium N.J. Jacquin, 1760
- Genus Sapium P. Browne, 1756
- Genus Sapium N.J. Jacquin, 1760
- Genus Sarcoclinium R. Wight, 1852 accepted as Agrostistachys Dalzell, 1850
- Genus Sarothrostachys Klotzsch, 1841 accepted as Sebastiania K.P.J. Sprengel, 1820
- Genus Schinziophyton J. Hutchinson ex A. Radcliffe-Smith, 1990
- Genus Schizogyne Ehrenberg ex F.A. Pax, 1924 accepted as Acalypha Linnaeus, 1753
- Genus Schorigeram Adanson, 1763 accepted as Tragia Linnaeus, 1753
- Genus Schousboea H.C.F. Schumacher, 1827 accepted as Alchornea O. Swartz, 1788
- Genus Schradera Willdenow, 1798 accepted as Croton Linnaeus, 1753
- Genus Schubea Pax in Engler, 1899
- Genus Sclerocroton Hochstetter in C.F.F. Krauss, 1845
- Genus Sclerocyathium Prokhanow, 1933 accepted as Euphorbia Linnaeus, 1753
- Genus Scortechinia J.D. Hooker, 1887 accepted as Neoscortechinia Pax in Engler & Prantl, 1897
- Genus Sebastiania K.P.J. Sprengel, 1820
- Genus Seborium Rafinesque, 1838 accepted as Sapium N.J. Jacquin, 1760
- Genus Secretania J. Müller-Arg. in Alph. de Candolle, 1866
- Genus Securinegoxylon E. Mädel, 1962 †
- Genus Seidelia Baillon, 1858
- Genus Semilta Rafinesque, 1838 accepted as Croton Linnaeus, 1753
- Genus Senefeldera C.F.P. Martius, 1841
- Genus Senefelderopsis Steyermark in R.E. Schultes, 1951
- Genus Serophyton Bentham, 1844 accepted as Argythamnia P. Browne, 1756
- Genus Shirakia Hurusawa, 1954 accepted as Neoshirakia H.-J. Esser, 1998
- Genus Shirakiopsis H.-J. Esser, 1999
- Genus Shonia R.J.F. Henderson & D.A. Halford, 2005
- Genus Silvaea W.J. Hooker & G.A.W. Arnott, 1837 accepted as Trigonostemon Blume, 1826
- Genus Sinopimelodendron Y. Tsiang, 1973 accepted as Cleidiocarpon Airy Shaw, 1965
- Genus Siphonanthus J.C.D. von Schreber ex H.E. Baillon, 1858 accepted as Hevea Aublet, 1775
- Genus Siphonia L.C. Richard ex Schreber, 1791 accepted as Hevea Aublet, 1775
- Genus Spathiostemon Blume, 1826
- Genus Spegazziniophytum H.-J. Esser, 2001
- Genus Speranskia Baillon, 1858
- Genus Sphaerostylis Baillon, 1858
- Genus Sphyranthera J.D. Hooker, 1887
- Genus Spirostachys Sonder, 1850
- Genus Staurothyrax W. Griffith, 1854
- Genus Steigera J. Müller Arg., 1865
- Genus Steigeria J. Müller Argoviensis, 1865 accepted as Baloghia Endlicher, 1833
- Genus Stenadenium Pax, 1901 accepted as Euphorbia Linnaeus, 1753
- Genus Stenonia Didrichsen, 1857 accepted as Ditaxis Vahl ex A.H.L. Jussieu, 1824
- Genus Sterigmanthe Klotzsch & Garcke in Klotzsch, 1859 accepted as Euphorbia Linnaeus, 1753
- Genus Stillingfleetia W. Bojer, 1837 accepted as Sapium N.J. Jacquin, 1760
- Genus Stillingia Garden ex Linnaeus, 1767
- Genus Stipellaria Bentham, 1854 accepted as Alchornea O. Swartz, 1788
- Genus Stomatocalyx J. Mueller-Arg. in Alph. de Candolle, 1866 accepted as Pimelodendron Hasskarl, 1856
- Genus Strophioblachia J.G. Boerlage, 1900
- Genus Stylanthus H.G.L. Reichenbach & H. Zollinger, 1857 accepted as Mallotus Loureiro, 1790
- Genus Sumbavia Baillon, 1858 accepted as Doryxylon Zollinger, 1857
- Genus Sumbaviopsis J.J. Smith, 1910
- Genus Suregada Roxburgh ex Rottler, 1803
- Genus Symphyllia Baillon, 1858
- Genus Synadenium Boissier in Alph. de Candolle, 1862 accepted as Euphorbia Linnaeus, 1753
- Genus Synaspisma Endlicher, 1840 accepted as Codiaeum A.H.L. Jussieu, 1824
- Genus Syndyophyllum Lauterbach & K. Schumann in K. Schumann & Lauterbach, 1900
- Genus Synema Dulac, 1867 accepted as Mercurialis Linnaeus, 1753
- Genus Taeniosapium J. Müller Arg. in Alph. de Candolle, 1866 accepted as Sapium N.J. Jacquin, 1760
- Genus Tanarius O. Kuntze, 1891 accepted as Macaranga Du Petit-Thouars, 1806
- Genus Tandonia Baillon, 1861 accepted as Tannodia Baillon, 1861
- Genus Tannodia Baillon, 1861
- Genus Tapoides Airy Shaw, 1960
- Genus Tapoïdes Airy Shaw, 1960 represented as Tapoides Airy Shaw, 1960
- Genus Telephioides Ortega, 1773
- Genus Telogyne Baillon, 1858 accepted as Trigonostemon Blume, 1826
- Genus Tetracarpidium Pax, 1899 accepted as Plukenetia Linnaeus, 1753
- Genus Tetraglossa R.H. Beddome, 1861 accepted as Cleidion Blume, 1826
- Genus Tetraplandra Baillon, 1858 accepted as Algernonia Baillon, 1858
- Genus Tetrorchidiopsis S. Rauschert, 1982 accepted as Tetrorchidium Poeppig in Poeppig & Endlicher, 1841
- Genus Tetrorchidium Poeppig in Poeppig & Endlicher, 1841
- Genus Thelypetalum Gagnepain, 1925
- Genus Thyrsanthera Pierre ex Gagnepain, 1925
- Genus Tiglium Klotzsch, 1843 accepted as Croton Linnaeus, 1753
- Genus Timandra Klotzsch, 1841 accepted as Croton Linnaeus, 1753
- Genus Tineafructus P. Wilf, A. Iglesias & M.A. Gandolfo, 2023 †
- Genus Tirucalia Rafinesque, 1838
- Genus Tithymalodes O. Kuntze, 1891 accepted as Tithymaloides Ortega, 1773
- Genus Tithymaloides Ortega, 1773 accepted as Pedilanthus Necker ex Poiteau, 1812
- Genus Tithymalopsis Klotzsch & Garcke in Klotzsch, 1859 accepted as Euphorbia Linnaeus, 1753
- Genus Tithymalus P. Miller, 1754 accepted as Euphorbia Linnaeus, 1753
- Genus Tithymalus Séguier, 1754 accepted as Euphorbia Linnaeus, 1753
- Genus Tithymalus J. Gaertner, 1790 accepted as Euphorbia Linnaeus, 1753
- Genus Tithymalus Hill, 1756 accepted as Euphorbia Linnaeus, 1753
- Genus Torfasadis Rafinesque, 1838 accepted as Euphorbia Linnaeus, 1753
- Genus Tournesol Adanson, 1763 accepted as Chrozophora A.H.L. Jussieu, 1824
- Genus Tournesolia G. Nissole ex J.A. Scopoli, 1777 accepted as Chrozophora A.H.L. Jussieu, 1824
- Genus Trachycaryon Klotzsch in J.G.C. Lehmann, 1845 accepted as Adriana Gaudichaud-Beaupré, 1825
- Genus Traganthus Klotzsch, 1841 accepted as Bernardia P. Miller, 1754
- Genus Tragia Linnaeus, 1753
- Genus Tragiella Pax & K. Hoffmann in Engler, 1919
- Genus Tragiopsis H. Karsten, 1859 accepted as Sebastiania K.P.J. Sprengel, 1820
- Genus Treisia A.H. Haworth, 1812 accepted as Euphorbia Linnaeus, 1753
- Genus Trevia Linnaeus, 1753
- Genus Trewia Linnaeus, 1753 accepted as Trevia Linnaeus, 1753
- Genus Triadica Loureiro, 1790
- Genus Tricherostigma P.E. Boissier, 1862 accepted as Euphorbia Linnaeus, 1753
- Genus Trichosterigma Klotzsch & Garcke in Klotzsch, 1859 accepted as Euphorbia Linnaeus, 1753
- Genus Tridesmis Loureiro, 1790 accepted as Croton Linnaeus, 1753
- Genus Trigonostemon Blume, 1826
- Genus Trigostemon Blume, 1825-1826 accepted as Trigonostemon Blume, 1826
- Genus Triplandra Rafinesque, 1838 accepted as Croton Linnaeus, 1753
- Genus Tritaxis Baillon, 1858 accepted as Trigonostemon Blume, 1826
- Genus Tsaiodendron Y.H. Tan, H. Zhu & H. Sun, 2017
- Genus Tumalis Rafinesque, 1838 accepted as Euphorbia Linnaeus, 1753
- Genus Tylosepalum Kurz ex Teysmann & Binnendijk, 1864 accepted as Trigonostemon Blume, 1826
- Genus Tyria Klotzsch ex Endlicher, 1850 accepted as Bernardia P. Miller, 1754
- Genus Usteria A.W. Dennstedt, 1818 accepted as Acalypha Linnaeus, 1753
- Genus Vallaris Rafinesque, 1838 accepted as Euphorbia Linnaeus, 1753
- Genus Vandera Rafinesque, 1840 accepted as Croton Linnaeus, 1753
- Genus Vaupesia R.E. Schultes, 1955
- Genus Veconcibea (J. Müller Arg.) Pax & K. Hoffmann in Engler, 1914 accepted as Conceveiba Aublet, 1775
- Genus Ventenatia Trattinick, 1802 accepted as Pedilanthus Necker ex Poiteau, 1812
- Genus Vernicia Loureiro, 1790
- Genus Victorinia Léon, 1941 accepted as Cnidoscolus Pohl, 1827
- Genus Vigia Vellozo, 1831 accepted as Plukenetia Linnaeus, 1753
- Genus Wartmannia J. Mueller Arg., 1865 accepted as Homalanthus A.H.L. Jussieu, 1824
- Genus Weda P.C. van Welzen, 2020
- Genus Wetria Baillon, 1858
- Genus Wetriaria (J. Müller Arg.) O. Kuntze in Post & O. Kuntze, 1903 accepted as Argomuellera Pax, 1894
- Genus Xamesike Rafinesque, 1838 accepted as Euphorbia Linnaeus, 1753
- Genus Xylophyllites Massalongo, 1858 †
- Genus Zalitea Rafinesque, 1838 accepted as Euphorbia Linnaeus, 1753
- Genus Zimapania Engler & Pax in Engler & Prantl, 1891 accepted as Jatropha Linnaeus, 1753
- Genus Zuckertia Baillon, 1858 accepted as Bia Klotzsch, 1841
- Genus Zygophyllidium (Boissier) J.K. Small, 1903 accepted as Euphorbia Linnaeus, 1753
- Family Euphroniaceae Marcano-Berti, 1989
- Family Flacourtiaceae Richard ex de Candolle, 1824 accepted as Salicaceae de Mirbel, 1815
- Family Goupiaceae Miers, 1862
- Family Guttiferae de Jussieu, 1789 accepted as Clusiaceae Lindley, 1836
- Family Hugoniaceae Arnott, 1834 accepted as Linaceae de Candolle ex Perleb, 1818
- Family Humiriaceae A. de Jussieu, 1829
- Family Hypericaceae de Jussieu, 1789
- Family Irvingiaceae Exell & Mendonça, 1951
- Family Ixonanthaceae Planchon ex Miquel, 1858
- Family Lacistemataceae Martius, 1826
- Family Linaceae de Candolle ex Perleb, 1818
- Family Lophiraceae Loudon, 1830 accepted as Ochnaceae de Candolle, 1811
- Family Lophopyxidaceae H. Pfeiffer, 1951
- Family Malesherbiaceae D. Don, 1827 accepted as Passifloraceae de Jussieu ex Roussel, 1806
- Family Malpighiaceae de Jussieu, 1789
- Family Malpighiales (awaiting allocation)
- Family Medusagynaceae Engler & Gilg, 1924 accepted as Ochnaceae de Candolle, 1811
- Family Ochnaceae de Candolle, 1811
- Family Pandaceae Engler & Gilg, 1913
- Family Passifloraceae de Jussieu ex Roussel, 1806
- Family Peraceae Klotzsch, 1859
- Family Phyllanthaceae Martinov, 1820
- Family Picrodendraceae Small, 1917
- Family Podostemaceae Richard ex Kunth, 1816
- Family Putranjivaceae Meisner, 1842
- Family Quiinaceae Choisy, 1888 accepted as Ochnaceae de Candolle, 1811
- Family Rafflesiaceae Dumortier, 1829
- Family Rhizophoraceae Persoon, 1806
- Family Salicaceae de Mirbel, 1815
- Family Sauvagesiaceae Dumortier, 1829 accepted as Ochnaceae de Candolle, 1811
- Family Scyphostegiaceae Hutchinson, 1926 accepted as Salicaceae de Mirbel, 1815
- Family Trigoniaceae A. de Jussieu, 1849
- Family Turneraceae Kunth ex de Candolle, 1828 accepted as Passifloraceae de Jussieu ex Roussel, 1806
- Family Violaceae Batsch, 1802
- Genus Elioxylon R. Srivastava, R.B. Miller & P. Baas, 2018 †
- 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
- 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
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