 Natura - nature
 Natura - nature
   actualia - actual entities
 actualia - actual entities
     Mundus Plinius - physical world
 Mundus Plinius - physical world
       naturalia - natural bodies
 naturalia - natural bodies
         Clade Biota Wagner 2004 [Wiemann, de Queiroz, Rowe, Planavsky, Anderson, Gogarten, Turner & Gauthier 2020]
 Clade Biota Wagner 2004 [Wiemann, de Queiroz, Rowe, Planavsky, Anderson, Gogarten, Turner & Gauthier 2020]
           Clade neomura Cavalier-Smith, 1987
 Clade neomura Cavalier-Smith, 1987
             Domain Eukaryota Chatton, 1925 - eukaryotes
 Domain Eukaryota Chatton, 1925 - eukaryotes
               Clade discaria Cavalier-Smith, 2021
 Clade discaria Cavalier-Smith, 2021
                 Clade natates Cavalier-Smith, 2021
 Clade natates Cavalier-Smith, 2021
                   Clade photaria Cavalier-Smith, 2021
 Clade photaria Cavalier-Smith, 2021
                     Clade eucorta Cavalier-Smith, 2021
 Clade eucorta Cavalier-Smith, 2021
                       Superkingdom Corticata Lankester, 1878 - corticates
 Superkingdom Corticata Lankester, 1878 - corticates
                         Kingdom Plantae Haeckel (1866) - plants
 Kingdom Plantae Haeckel (1866) - plants
                           Subkingdom Viridiplantae Caval.-Sm. (1981) - green plants
 Subkingdom Viridiplantae Caval.-Sm. (1981) - green plants
                             Infrakingdom Streptophyta Caval.-Sm. (1993)
 Infrakingdom Streptophyta Caval.-Sm. (1993)
                               Clade Phragmoplastophyta Lecointre & Le Guyader 2006 [Hall, McCourt, Delwiche, Mishler & Karol 2020]
 Clade Phragmoplastophyta Lecointre & Le Guyader 2006 [Hall, McCourt, Delwiche, Mishler & Karol 2020]
                                 Clade Embryophytaᵀ Engler 1887 [Mishler & Qiu 2020]
 Clade Embryophytaᵀ Engler 1887 [Mishler & Qiu 2020]
                                   Clade Pan-Tracheophytaᵀ Cantino & Donoghue 2007 [Cantino & Donoghue 2020]
 Clade Pan-Tracheophytaᵀ Cantino & Donoghue 2007 [Cantino & Donoghue 2020]
                                     Clade Apo-Tracheophytaᵀ Cantino & Donoghue 2007 [Cantino & Donoghue 2020]
 Clade Apo-Tracheophytaᵀ Cantino & Donoghue 2007 [Cantino & Donoghue 2020]
                                       [crown] Phylum Tracheophytaᵀ Sinnott ex Caval.-Sm. (1998) - vascular plants
 [crown] Phylum Tracheophytaᵀ Sinnott ex Caval.-Sm. (1998) - vascular plants
                                         Clade Pan-Euphyllophytaᵀ Cantino & Donoghue 2007 [Cantino & Donoghue 2020]
 Clade Pan-Euphyllophytaᵀ Cantino & Donoghue 2007 [Cantino & Donoghue 2020]
                                           Clade Euphyllophytaᵀ Lecointre & Le Guyader 2006 [Cantino & Donoghue 2020]
 Clade Euphyllophytaᵀ Lecointre & Le Guyader 2006 [Cantino & Donoghue 2020]
                                             Clade Pan-Spermatophytaᵀ Cantino & Donoghue 2007 [Cantino, Doyle & Donoghue 2020]
 Clade Pan-Spermatophytaᵀ Cantino & Donoghue 2007 [Cantino, Doyle & Donoghue 2020]
                                               Clade Lignophytaᵀ Crane & Kenrick 1997, nom. cl. inval.
 Clade Lignophytaᵀ Crane & Kenrick 1997, nom. cl. inval.
                                                 Clade Apo-Spermatophytaᵀ Cantino & Donoghue 2007 [Cantino, Doyle & Donoghue 2020]
 Clade Apo-Spermatophytaᵀ Cantino & Donoghue 2007 [Cantino, Doyle & Donoghue 2020]
                                                   [crown] Subphylum Spermatophytinaᵀ Caval.-Sm. (1998) - seed plants
 [crown] Subphylum Spermatophytinaᵀ Caval.-Sm. (1998) - seed plants
                                                     Clade Pan-Angiospermae Cantino & Donoghue 2007 [Doyle, Cantino & Donoghue 2020]
 Clade Pan-Angiospermae Cantino & Donoghue 2007 [Doyle, Cantino & Donoghue 2020]
                                                       [crown] Class Magnoliopsidaᵀ Brongn. (1843)
 [crown] Class Magnoliopsidaᵀ Brongn. (1843)
                                                         Clade Mesangiospermaeᵀ Donoghue, Doyle & Cantino 2007 [Donoghue, Doyle & Cantino 2020]
 Clade Mesangiospermaeᵀ Donoghue, Doyle & Cantino 2007 [Donoghue, Doyle & Cantino 2020]
                                                           Clade Tricolpataeᵀ Donoghue, Doyle & Cantino 2007 [Donoghue, Doyle & Cantino 2020]
 Clade Tricolpataeᵀ Donoghue, Doyle & Cantino 2007 [Donoghue, Doyle & Cantino 2020]
                                                             Clade Eudicotyledoneaeᵀ Donoghue, Doyle & Cantino 2007 [Donoghue, Doyle & Cantino 2020]
 Clade Eudicotyledoneaeᵀ Donoghue, Doyle & Cantino 2007 [Donoghue, Doyle & Cantino 2020]
                                                               Clade Gunneridaeᵀ Soltis, Soltis & Judd 2007 [Soltis, Soltis & Judd 2020]
 Clade Gunneridaeᵀ Soltis, Soltis & Judd 2007 [Soltis, Soltis & Judd 2020]
                                                                 Clade Pentapetalaeᵀ Soltis, Soltis & Judd 2007 [Soltis, Soltis & Judd 2020]
 Clade Pentapetalaeᵀ Soltis, Soltis & Judd 2007 [Soltis, Soltis & Judd 2020]
                                                                   Clade Superasteridaeᵀ Judd, Soltis & Soltis 2011 [Judd, Soltis & Soltis 2020]
 Clade Superasteridaeᵀ Judd, Soltis & Soltis 2011 [Judd, Soltis & Soltis 2020]
                                                                     Superorder Asteranaeᵀ Takht. (1967)
 Superorder Asteranaeᵀ Takht. (1967)
                                                                       Clade Gentianidaeᵀ Olmstead, Judd & Cantino 2007 [Olmstead, Judd & Cantino 2020]
 Clade Gentianidaeᵀ Olmstead, Judd & Cantino 2007 [Olmstead, Judd & Cantino 2020]
                                                                         Clade Campanulidaeᵀ Donoghue & Cantino 2007 [Donoghue & Cantino 2020]
 Clade Campanulidaeᵀ Donoghue & Cantino 2007 [Donoghue & Cantino 2020]
                                                                           Clade Apiidaeᵀ Donoghue & Cantino 2007 [Donoghue & Cantino 2020]
 Clade Apiidaeᵀ Donoghue & Cantino 2007 [Donoghue & Cantino 2020]
                                                                             Order Asteralesᵀ Link (1829)
 Order Asteralesᵀ Link (1829)
                                                                               Family Compositaeᵀ Giseke (1792), nom. cons.
 Family Compositaeᵀ Giseke (1792), nom. cons.
                                                                                 Genus Acamptopappus (A.Gray) A.Gray (1873)
 Genus Acamptopappus (A.Gray) A.Gray (1873)
                                                                                 Genus Acanthocladium F.Muell. (1861)
 Genus Acanthocladium F.Muell. (1861)
                                                                                 Genus Acanthodesmos C. Adams & du Quesnay (1971)
 Genus Acanthodesmos C. Adams & du Quesnay (1971)
                                                                                 Genus Acanthospermum Schrank (1820)
 Genus Acanthospermum Schrank (1820)
                                                                                 Genus Achaetogeron A.Gray (1849)
 Genus Achaetogeron A.Gray (1849)
                                                                                 Genus Achnophora F.Muell. (1883)
 Genus Achnophora F.Muell. (1883)
                                                                                 Genus Achnopogon Maguire, Steyerm. & Wurd. (1957)
 Genus Achnopogon Maguire, Steyerm. & Wurd. (1957)
                                                                                 Genus Achyrachaena Schauer (1838)
 Genus Achyrachaena Schauer (1838)
                                                                                 Genus Achyrocline (Less.) DC. (1838)
 Genus Achyrocline (Less.) DC. (1838)
                                                                                 Genus Achyropappus Kunth (1818)
 Genus Achyropappus Kunth (1818)
                                                                                 Genus Achyrophorus Adans. (1763)
 Genus Achyrophorus Adans. (1763)
                                                                                 Genus Achyroseris C.H. Schultz-Bip. (1845)
 Genus Achyroseris C.H. Schultz-Bip. (1845)
                                                                                 Genus Acilepidopsis H.Rob. (1989)
 Genus Acilepidopsis H.Rob. (1989)
                                                                                 Genus Acomis F.Muell. (1864)
 Genus Acomis F.Muell. (1864)
                                                                                 Genus Acrisione B. Nordenstam (1985)
 Genus Acrisione B. Nordenstam (1985)
                                                                                 Genus Acritopappus R. King & H. Robinson (1972)
 Genus Acritopappus R. King & H. Robinson (1972)
                                                                                 Genus Actinella Juss. ex Nutt. (1818), nom. illeg.
 Genus Actinella Juss. ex Nutt. (1818), nom. illeg.
                                                                                 Genus Actinobole Fenzl ex Endl. (1843)
 Genus Actinobole Fenzl ex Endl. (1843)
                                                                                 Genus Actinoseris (Endl.) Cabrera (1970)
 Genus Actinoseris (Endl.) Cabrera (1970)
                                                                                 Genus Actinospermum Elliott (1823)
 Genus Actinospermum Elliott (1823)
                                                                                 Genus Actites N.S. Lander (1976)
 Genus Actites N.S. Lander (1976)
                                                                                 Genus Adenanthellum B. Nordenstam (1979)
 Genus Adenanthellum B. Nordenstam (1979)
                                                                                 Genus Adenocaulon Hook. (1829)
 Genus Adenocaulon Hook. (1829)
                                                                                 Genus Adenocritonia R.M. King & H.Rob. (1976)
 Genus Adenocritonia R.M. King & H.Rob. (1976)
                                                                                 Genus Adenoglossa B. Nordenstam (1976)
 Genus Adenoglossa B. Nordenstam (1976)
                                                                                 Genus Adenoon Dalzell (1850)
 Genus Adenoon Dalzell (1850)
                                                                                 Genus Adenopappus Bentham (1840)
 Genus Adenopappus Bentham (1840)
                                                                                 Genus Adenophyllum Persoon (1807)
 Genus Adenophyllum Persoon (1807)
                                                                                 Genus Adenothamnus Keck (1935)
 Genus Adenothamnus Keck (1935)
                                                                                 Genus Aedesia O.Hoffm., in Engl. & Prantl (1897)
 Genus Aedesia O.Hoffm., in Engl. & Prantl (1897)
                                                                                 Genus Aegopordon Boissier (1846)
 Genus Aegopordon Boissier (1846)
                                                                                 Genus Aequatorium B. Nordenstam (1978)
 Genus Aequatorium B. Nordenstam (1978)
                                                                                 Genus Aetheolaena Cassini, in F. Cuvier (1827)
 Genus Aetheolaena Cassini, in F. Cuvier (1827)
                                                                                 Genus Aetheorhiza Cassini (1827)
 Genus Aetheorhiza Cassini (1827)
                                                                                 Genus Ageratella A.Gray ex S.Watson (1887)
 Genus Ageratella A.Gray ex S.Watson (1887)
                                                                                 Genus Ageratinastrum Mattfeld (1932)
 Genus Ageratinastrum Mattfeld (1932)
                                                                                 Genus Agnorhiza (Jeps.) W. A. Weber
 Genus Agnorhiza (Jeps.) W. A. Weber
                                                                                 Genus Agrianthus Mart. ex DC. (1836)
 Genus Agrianthus Mart. ex DC. (1836)
                                                                                 Genus Ajaniopsis C. Shih (1978)
 Genus Ajaniopsis C. Shih (1978)
                                                                                 Genus Akeassia J.-P. Lebrun & Stork
 Genus Akeassia J.-P. Lebrun & Stork
                                                                                 Genus Alatoseta R.H. Compton (1931)
 Genus Alatoseta R.H. Compton (1931)
                                                                                 Genus Albertinia Spreng. (1820)
 Genus Albertinia Spreng. (1820)
                                                                                 Genus Aldama La Llave, in La Llave & Lexarza (1824)
 Genus Aldama La Llave, in La Llave & Lexarza (1824)
                                                                                 Genus Alepidocline S.F.Blake (1934)
 Genus Alepidocline S.F.Blake (1934)
                                                                                 Genus Aliella M. Qaiser & H.W. Lack (1986)
 Genus Aliella M. Qaiser & H.W. Lack (1986)
                                                                                 Genus Allagopappus Cassini (1828)
 Genus Allagopappus Cassini (1828)
                                                                                 Genus Allardia Decaisne, in Jacquemont (1836)
 Genus Allardia Decaisne, in Jacquemont (1836)
                                                                                 Genus Allittia P.S.Short
 Genus Allittia P.S.Short
                                                                                 Genus Alloispermum Willd. (1807)
 Genus Alloispermum Willd. (1807)
                                                                                 Genus Almutaster Á. Löve & D.Löve, in Á. Löve (1982)
 Genus Almutaster Á. Löve & D.Löve, in Á. Löve (1982)
                                                                                 Genus Alomia Kunth, in Humb. et al. (1818)
 Genus Alomia Kunth, in Humb. et al. (1818)
                                                                                 Genus Alomiella R.M. King & H.Rob. (1972)
 Genus Alomiella R.M. King & H.Rob. (1972)
                                                                                 Genus Alvordia T.S. Brandegee (1889)
 Genus Alvordia T.S. Brandegee (1889)
                                                                                 Genus Amauria Bentham (1844)
 Genus Amauria Bentham (1844)
                                                                                 Genus Amauriopsis Rydberg (1914)
 Genus Amauriopsis Rydberg (1914)
                                                                                 Genus Amblyolepis DC. (1836)
 Genus Amblyolepis DC. (1836)
                                                                                 Genus Amblyopappus Hook. & Arnott (1841)
 Genus Amblyopappus Hook. & Arnott (1841)
                                                                                 Genus Amblysperma Bentham, in Endl. et al. (1837)
 Genus Amblysperma Bentham, in Endl. et al. (1837)
                                                                                 Genus Amboroa Cabrera (1956)
 Genus Amboroa Cabrera (1956)
                                                                                 Genus Ameghinoa Spegazzini (1897)
 Genus Ameghinoa Spegazzini (1897)
                                                                                 Genus Amellus L. (1759), nom. cons.
 Genus Amellus L. (1759), nom. cons.
                                                                                 Genus Amolinia R.M. King & H.Rob. (1972)
 Genus Amolinia R.M. King & H.Rob. (1972)
                                                                                 Genus Ampelaster G. L. Nesom
 Genus Ampelaster G. L. Nesom
                                                                                 Genus Amphiachyris (A.DC.) Nutt. (1840)
 Genus Amphiachyris (A.DC.) Nutt. (1840)
                                                                                 Genus Amphidoxa DC. (1838)
 Genus Amphidoxa DC. (1838)
                                                                                 Genus Amphiglossa DC. (1838)
 Genus Amphiglossa DC. (1838)
                                                                                 Genus Amphipappus J. Torrey & A.Gray (1844)
 Genus Amphipappus J. Torrey & A.Gray (1844)
                                                                                 Genus Anacantha (Iljin) J. Sojak (1982)
 Genus Anacantha (Iljin) J. Sojak (1982)
                                                                                 Genus Anaphalioides (Bentham) Kirpichnikov (1950)
 Genus Anaphalioides (Bentham) Kirpichnikov (1950)
                                                                                 Genus Anastraphia D.Don (1830)
 Genus Anastraphia D.Don (1830)
                                                                                 Genus Anaxeton Gaertn. (1791)
 Genus Anaxeton Gaertn. (1791)
                                                                                 Genus Ancathia DC. (1833)
 Genus Ancathia DC. (1833)
                                                                                 Genus Ancistrocarphus A.Gray (1868)
 Genus Ancistrocarphus A.Gray (1868)
                                                                                 Genus Anderbergia B. Nord.
 Genus Anderbergia B. Nord.
                                                                                 Genus Anemocarpa Paul G. Wilson
 Genus Anemocarpa Paul G. Wilson
                                                                                 Genus Angelphytum G.M. Barroso (1980)
 Genus Angelphytum G.M. Barroso (1980)
                                                                                 Genus Anisocarpus Nutt. (1841)
 Genus Anisocarpus Nutt. (1841)
                                                                                 Genus Anisochaeta DC. (1836)
 Genus Anisochaeta DC. (1836)
                                                                                 Genus Anisocoma J. Torrey & A.Gray, in A.Gray (1845)
 Genus Anisocoma J. Torrey & A.Gray, in A.Gray (1845)
                                                                                 Genus Anisothrix O.Hoffm. ex Kuntze (1898)
 Genus Anisothrix O.Hoffm. ex Kuntze (1898)
                                                                                 Genus Anteremanthus H.Rob. (1992)
 Genus Anteremanthus H.Rob. (1992)
                                                                                 Nothogenus ×Anthematricaria
 Nothogenus ×Anthematricaria
                                                                                 Nothogenus ×Anthemimatricaria
 Nothogenus ×Anthemimatricaria
                                                                                 Genus Antheropeas Rydberg (1915)
 Genus Antheropeas Rydberg (1915)
                                                                                 Genus Antillanthus B. Nordenstam (2006)
 Genus Antillanthus B. Nordenstam (2006)
                                                                                 Genus Antiphiona Merxmueller (1954)
 Genus Antiphiona Merxmueller (1954)
                                                                                 Genus Antithrixia DC. (1838)
 Genus Antithrixia DC. (1838)
                                                                                 Genus Anura (Juzepczuk) O.V. Černeva, in Komarov (1962)
 Genus Anura (Juzepczuk) O.V. Černeva, in Komarov (1962)
                                                                                 Genus Anvillea DC. (1836)
 Genus Anvillea DC. (1836)
                                                                                 Genus Apalochlamys Cassini (1828)
 Genus Apalochlamys Cassini (1828)
                                                                                 Genus Aphanactis Weddell (1856)
 Genus Aphanactis Weddell (1856)
                                                                                 Genus Aphanostephus DC. (1836)
 Genus Aphanostephus DC. (1836)
                                                                                 Genus Aphyllocladus Weddell (1855)
 Genus Aphyllocladus Weddell (1855)
                                                                                 Genus Apodocephala Baker (1885)
 Genus Apodocephala Baker (1885)
                                                                                 Genus Apopyros G. L. Nesom
 Genus Apopyros G. L. Nesom
                                                                                 Genus Aposeris Necker ex Cassini (1827)
 Genus Aposeris Necker ex Cassini (1827)
                                                                                 Genus Apostates N.S. Lander (1989)
 Genus Apostates N.S. Lander (1989)
                                                                                 Genus Arbelaezaster J. Cuatrecasas (1986)
 Genus Arbelaezaster J. Cuatrecasas (1986)
                                                                                 Genus Arctanthemum (N.N. Tzvelev) N.N. Tzvelev (1985)
 Genus Arctanthemum (N.N. Tzvelev) N.N. Tzvelev (1985)
                                                                                 Genus Arctogeron DC. (1836)
 Genus Arctogeron DC. (1836)
                                                                                 Genus Arctotheca J.C. Wendland (1798)
 Genus Arctotheca J.C. Wendland (1798)
                                                                                 Genus Argentipallium Paul G. Wilson
 Genus Argentipallium Paul G. Wilson
                                                                                 Genus Argyroglottis Turczaninow (1851)
 Genus Argyroglottis Turczaninow (1851)
                                                                                 Genus Argyrotegium J.M. Ward & I. Breitwieser (2003)
 Genus Argyrotegium J.M. Ward & I. Breitwieser (2003)
                                                                                 Genus Arida (R.L. Hartman) D.R. Morgan & R.L. Hartman (2003)
 Genus Arida (R.L. Hartman) D.R. Morgan & R.L. Hartman (2003)
                                                                                 Genus Aristeguietia R.M. King & H.Rob. (1975)
 Genus Aristeguietia R.M. King & H.Rob. (1975)
                                                                                 Genus Arnaldoa Cabrera (1962)
 Genus Arnaldoa Cabrera (1962)
                                                                                 Genus Arnicastrum Greenman (1903)
 Genus Arnicastrum Greenman (1903)
                                                                                 Genus Arrhenechthites Mattfeld (1938)
 Genus Arrhenechthites Mattfeld (1938)
                                                                                 Genus Arrojadocharis Mattfeld, in Burret (1930)
 Genus Arrojadocharis Mattfeld, in Burret (1930)
                                                                                 Genus Arrowsmithia DC. (1838)
 Genus Arrowsmithia DC. (1838)
                                                                                 Genus Artemisiella Ghafoor
 Genus Artemisiella Ghafoor
                                                                                 Genus Artemisiopsis S.M. Moore (1902)
 Genus Artemisiopsis S.M. Moore (1902)
                                                                                 Genus Ascidiogyne Cuatrecasas (1965)
 Genus Ascidiogyne Cuatrecasas (1965)
                                                                                 Genus Aspilia Thouars (1806)
 Genus Aspilia Thouars (1806)
                                                                                 Genus Asplundianthus R.M. King & H.Rob. (1975)
 Genus Asplundianthus R.M. King & H.Rob. (1975)
                                                                                 Genus Asteridea Lindl. (1839)
 Genus Asteridea Lindl. (1839)
                                                                                 Genus Asteriscus Mill. (1754)
 Genus Asteriscus Mill. (1754)
                                                                                 Genus Asteropsis Lessing (1832)
 Genus Asteropsis Lessing (1832)
                                                                                 Genus Asterothamnus I.V. Novopokrovsky (1950)
 Genus Asterothamnus I.V. Novopokrovsky (1950)
                                                                                 Genus Astranthium Nutt. (1840)
 Genus Astranthium Nutt. (1840)
                                                                                 Genus Atherotoma
 Genus Atherotoma
                                                                                 Genus Athroisma DC. (1833)
 Genus Athroisma DC. (1833)
                                                                                 Genus Atrichantha O.M. Hilliard & B.L.Burtt (1981)
 Genus Atrichantha O.M. Hilliard & B.L.Burtt (1981)
                                                                                 Genus Atrichoseris A.Gray (1884)
 Genus Atrichoseris A.Gray (1884)
                                                                                 Genus Aucklandia Falconer (1841)
 Genus Aucklandia Falconer (1841)
                                                                                 Genus Austrobrickellia R.M. King & H.Rob. (1972)
 Genus Austrobrickellia R.M. King & H.Rob. (1972)
                                                                                 Genus Austrocritonia R.M. King & H.Rob. (1975)
 Genus Austrocritonia R.M. King & H.Rob. (1975)
                                                                                 Genus Austroeupatorium R.M. King & H.Rob. (1970)
 Genus Austroeupatorium R.M. King & H.Rob. (1970)
                                                                                 Genus Austroliabum H.Rob. & R.D. Brettell (1974)
 Genus Austroliabum H.Rob. & R.D. Brettell (1974)
                                                                                 Genus Austrosynotis C.Jeffrey (1986)
 Genus Austrosynotis C.Jeffrey (1986)
                                                                                 Genus Avellara G. Blanca & C. Díaz de la Guardia (1985)
 Genus Avellara G. Blanca & C. Díaz de la Guardia (1985)
                                                                                 Genus Axiniphyllum Bentham (1872)
 Genus Axiniphyllum Bentham (1872)
                                                                                 Genus Ayapanopsis R.M. King & H.Rob. (1972)
 Genus Ayapanopsis R.M. King & H.Rob. (1972)
                                                                                 Genus Aylacophora Cabrera (1953)
 Genus Aylacophora Cabrera (1953)
                                                                                 Genus Aztecaster G. L. Nesom
 Genus Aztecaster G. L. Nesom
                                                                                 Genus Baccharidastrum Cabrera (1937)
 Genus Baccharidastrum Cabrera (1937)
                                                                                 Genus Badilloa R.M. King & H.Rob. (1975)
 Genus Badilloa R.M. King & H.Rob. (1975)
                                                                                 Genus Bafutia C.D. Adams (1962)
 Genus Bafutia C.D. Adams (1962)
                                                                                 Genus Bahianthus R.M. King & H.Rob. (1972)
 Genus Bahianthus R.M. King & H.Rob. (1972)
                                                                                 Genus Bahiopsis Kellogg (1863)
 Genus Bahiopsis Kellogg (1863)
                                                                                 Genus Bajacalia D.J. Loockerman, B.L. Turner & R.K. Jansen (2003)
 Genus Bajacalia D.J. Loockerman, B.L. Turner & R.K. Jansen (2003)
                                                                                 Genus Balduina Nutt. (1818), nom. cons.
 Genus Balduina Nutt. (1818), nom. cons.
                                                                                 Genus Baltimora L. (1771)
 Genus Baltimora L. (1771)
                                                                                 Genus Barkleyanthus H.Rob. & R.D. Brettell (1974)
 Genus Barkleyanthus H.Rob. & R.D. Brettell (1974)
                                                                                 Genus Barrosoa R.M. King & H.Rob. (1971)
 Genus Barrosoa R.M. King & H.Rob. (1971)
                                                                                 Genus Bartlettia A.Gray (1855)
 Genus Bartlettia A.Gray (1855)
                                                                                 Genus Basedowia Pritzel (1918)
 Genus Basedowia Pritzel (1918)
                                                                                 Genus Batopilasia G.L. Nesom & R.D. Noyes (2000)
 Genus Batopilasia G.L. Nesom & R.D. Noyes (2000)
                                                                                 Genus Bebbia E.L. Greene (1885)
 Genus Bebbia E.L. Greene (1885)
                                                                                 Genus Bejaranoa R.M. King & H.Rob. (1978)
 Genus Bejaranoa R.M. King & H.Rob. (1978)
                                                                                 Genus Bellida Ewart (1907)
 Genus Bellida Ewart (1907)
                                                                                 Genus Bellidastrum
 Genus Bellidastrum
                                                                                 Genus Bellium L. (1771)
 Genus Bellium L. (1771)
                                                                                 Genus Belloa J. Rémy
 Genus Belloa J. Rémy
                                                                                 Genus Benitoa Keck (1956)
 Genus Benitoa Keck (1956)
                                                                                 Genus Berlandiera DC. (1836)
 Genus Berlandiera DC. (1836)
                                                                                 Genus Berroa Beauverd (1913)
 Genus Berroa Beauverd (1913)
                                                                                 Genus Berylsimpsonia B.L.Turner
 Genus Berylsimpsonia B.L.Turner
                                                                                 Genus Bethencourtia Choisy
 Genus Bethencourtia Choisy
                                                                                 Genus Bigelowia DC. (1836), nom. cons.
 Genus Bigelowia DC. (1836), nom. cons.
                                                                                 Genus Bishopalea H.Rob. (1981)
 Genus Bishopalea H.Rob. (1981)
                                                                                 Genus Bishopanthus H.Rob. (1983)
 Genus Bishopanthus H.Rob. (1983)
                                                                                 Genus Bishopiella R.M. King & H.Rob. (1981)
 Genus Bishopiella R.M. King & H.Rob. (1981)
                                                                                 Genus Bishovia R.M. King & H.Rob. (1978)
 Genus Bishovia R.M. King & H.Rob. (1978)
                                                                                 Genus Blainvillea Cassini (1823)
 Genus Blainvillea Cassini (1823)
                                                                                 Genus Blakeanthus R.M. King & H.Rob. (1972)
 Genus Blakeanthus R.M. King & H.Rob. (1972)
                                                                                 Genus Blakiella Cuatrecasas (1968)
 Genus Blakiella Cuatrecasas (1968)
                                                                                 Genus Blanchetia DC. (1836)
 Genus Blanchetia DC. (1836)
                                                                                 Genus Blennosperma Lessing (1832)
 Genus Blennosperma Lessing (1832)
                                                                                 Genus Blennospora A.Gray (1851)
 Genus Blennospora A.Gray (1851)
                                                                                 Genus Blepharipappus Hook. (1833)
 Genus Blepharipappus Hook. (1833)
                                                                                 Genus Blepharizonia (A.Gray) E.L. Greene (1885)
 Genus Blepharizonia (A.Gray) E.L. Greene (1885)
                                                                                 Genus Boeberastrum (A.Gray) Rydberg (1915)
 Genus Boeberastrum (A.Gray) Rydberg (1915)
                                                                                 Genus Boeberoides (DC.) J.L. Strother (1986)
 Genus Boeberoides (DC.) J.L. Strother (1986)
                                                                                 Genus Bolandia Cron
 Genus Bolandia Cron
                                                                                 Genus Bolocephalus Hand.-Mazz.
 Genus Bolocephalus Hand.-Mazz.
                                                                                 Genus Borrichia Adans. (1763)
 Genus Borrichia Adans. (1763)
                                                                                 Genus Brachanthemum DC. (1838)
 Genus Brachanthemum DC. (1838)
                                                                                 Genus Brachionostylum Mattfeld (1932)
 Genus Brachionostylum Mattfeld (1932)
                                                                                 Genus Brachyclados Gillies ex D.Don (1832)
 Genus Brachyclados Gillies ex D.Don (1832)
                                                                                 Genus Brachythrix H. Wild & G.V. Pope (1978)
 Genus Brachythrix H. Wild & G.V. Pope (1978)
                                                                                 Genus Bradburia J. Torrey & A.Gray (1842), nom. cons.
 Genus Bradburia J. Torrey & A.Gray (1842), nom. cons.
                                                                                 Genus Breea Less.
 Genus Breea Less.
                                                                                 Genus Brintonia Greene
 Genus Brintonia Greene
                                                                                 Genus Bryomorphe Harv. (1863)
 Genus Bryomorphe Harv. (1863)
                                                                                 Genus Burkartia J.V. Crisci (1976)
 Genus Burkartia J.V. Crisci (1976)
                                                                                 Genus Caatinganthus H. Rob.
 Genus Caatinganthus H. Rob.
                                                                                 Genus Cabreriella J. Cuatrecasas (1980)
 Genus Cabreriella J. Cuatrecasas (1980)
                                                                                 Genus Cacaliopsis A.Gray (1883)
 Genus Cacaliopsis A.Gray (1883)
                                                                                 Genus Cacosmia Kunth, in Humb. et al. (1818)
 Genus Cacosmia Kunth, in Humb. et al. (1818)
                                                                                 Genus Cadiscus E.H.F. Meyer ex DC. (1838)
 Genus Cadiscus E.H.F. Meyer ex DC. (1838)
                                                                                 Genus Caesulia Roxburgh (1798)
 Genus Caesulia Roxburgh (1798)
                                                                                 Genus Calanticaria (B.L.Rob. & Greenm.) E. E. Schill. & Panero
 Genus Calanticaria (B.L.Rob. & Greenm.) E. E. Schill. & Panero
                                                                                 Genus Calcitrapa Heist. ex Fabr.
 Genus Calcitrapa Heist. ex Fabr.
                                                                                 Genus Calimeris
 Genus Calimeris
                                                                                 Genus Callilepis DC. (1836)
 Genus Callilepis DC. (1836)
                                                                                 Genus Calocephalus R.Br. (1817)
 Genus Calocephalus R.Br. (1817)
                                                                                 Genus Calomeria Ventenat (1804)
 Genus Calomeria Ventenat (1804)
                                                                                 Genus Calopappus F.J.F. Meyen (1834)
 Genus Calopappus F.J.F. Meyen (1834)
                                                                                 Genus Calostephane Bentham (1872)
 Genus Calostephane Bentham (1872)
                                                                                 Genus Calotesta P.O. Karis (1990)
 Genus Calotesta P.O. Karis (1990)
                                                                                 Genus Calycadenia DC. (1836)
 Genus Calycadenia DC. (1836)
                                                                                 Genus Calycoseris A.Gray (1853)
 Genus Calycoseris A.Gray (1853)
                                                                                 Genus Calyptocarpus Lessing (1832)
 Genus Calyptocarpus Lessing (1832)
                                                                                 Genus Camchaya Gagnepain (1920)
 Genus Camchaya Gagnepain (1920)
                                                                                 Genus Campovassouria R.M. King & H.Rob. (1971)
 Genus Campovassouria R.M. King & H.Rob. (1971)
                                                                                 Genus Camptacra N.T. Burbidge (1982)
 Genus Camptacra N.T. Burbidge (1982)
                                                                                 Genus Canadanthus G. L. Nesom
 Genus Canadanthus G. L. Nesom
                                                                                 Genus Canariothamnus B. Nordenstam (2006)
 Genus Canariothamnus B. Nordenstam (2006)
                                                                                 Genus Capelio B. Nord.
 Genus Capelio B. Nord.
                                                                                 Nothogenus ×Carduocirsium
 Nothogenus ×Carduocirsium
                                                                                 Nothogenus ×Carduogalactites
 Nothogenus ×Carduogalactites
                                                                                 Genus Carlquistia B.G.Baldwin
 Genus Carlquistia B.G.Baldwin
                                                                                 Genus Carminatia Mociño ex DC. (1838)
 Genus Carminatia Mociño ex DC. (1838)
                                                                                 Genus Carphephorus Cassini (1816)
 Genus Carphephorus Cassini (1816)
                                                                                 Genus Carphochaete A.Gray (1849)
 Genus Carphochaete A.Gray (1849)
                                                                                 Genus Carramboa J. Cuatrecasas (1976)
 Genus Carramboa J. Cuatrecasas (1976)
                                                                                 Genus Castanedia R. M. King & H. Rob.
 Genus Castanedia R. M. King & H. Rob.
                                                                                 Genus Castrilanthemum Vogt & Oberpr.
 Genus Castrilanthemum Vogt & Oberpr.
                                                                                 Genus Castroviejoa Galbany et al.
 Genus Castroviejoa Galbany et al.
                                                                                 Genus Catamixis T. Thomson (1867)
 Genus Catamixis T. Thomson (1867)
                                                                                 Genus Catatia Humbert (1923)
 Genus Catatia Humbert (1923)
                                                                                 Genus Catolesia D. J. N. Hind
 Genus Catolesia D. J. N. Hind
                                                                                 Genus Caucasalia B. Nord.
 Genus Caucasalia B. Nord.
                                                                                 Genus Cavalcantia R.M. King & H.Rob. (1980)
 Genus Cavalcantia R.M. King & H.Rob. (1980)
                                                                                 Genus Cavea W.W.Sm. & J.K. Small (1917)
 Genus Cavea W.W.Sm. & J.K. Small (1917)
                                                                                 Genus Caxamarca M. O. Dillon & A. Sagást.
 Genus Caxamarca M. O. Dillon & A. Sagást.
                                                                                 Nothogenus ×Celmearia Heenan
 Nothogenus ×Celmearia Heenan
                                                                                 Genus Centauropsis Bojer ex DC. (1836)
 Genus Centauropsis Bojer ex DC. (1836)
                                                                                 Genus Centaurothamnus G. Wagenitz & M. Dittrich, in G. Wagenitz et al. (1982)
 Genus Centaurothamnus G. Wagenitz & M. Dittrich, in G. Wagenitz et al. (1982)
                                                                                 Nothogenus ×Centauserratula Arènes
 Nothogenus ×Centauserratula Arènes
                                                                                 Genus Centromadia Greene
 Genus Centromadia Greene
                                                                                 Genus Cephalipterum A.Gray (1852)
 Genus Cephalipterum A.Gray (1852)
                                                                                 Genus Cephalonoplos
 Genus Cephalonoplos
                                                                                 Genus Cephalopappus Nees & Mart. (1824)
 Genus Cephalopappus Nees & Mart. (1824)
                                                                                 Genus Cephalophora Cav.
 Genus Cephalophora Cav.
                                                                                 Genus Cephalosorus A.Gray (1851)
 Genus Cephalosorus A.Gray (1851)
                                                                                 Genus Ceratocephalus Kuntze (1891)
 Genus Ceratocephalus Kuntze (1891)
                                                                                 Genus Ceratogyne Turczaninow (1851)
 Genus Ceratogyne Turczaninow (1851)
                                                                                 Genus Ceruana Forsskål (1775)
 Genus Ceruana Forsskål (1775)
                                                                                 Genus Chaenactis DC. (1836)
 Genus Chaenactis DC. (1836)
                                                                                 Genus Chaetadelpha A.Gray ex S.Watson (1873)
 Genus Chaetadelpha A.Gray ex S.Watson (1873)
                                                                                 Genus Chaetopappa DC. (1836)
 Genus Chaetopappa DC. (1836)
                                                                                 Genus Chamaechaenactis Rydberg (1906)
 Genus Chamaechaenactis Rydberg (1906)
                                                                                 Genus Chamaegeron A.G. Schrenk (1845)
 Genus Chamaegeron A.G. Schrenk (1845)
                                                                                 Genus Chamaeleon Cass.
 Genus Chamaeleon Cass.
                                                                                 Genus Chamaepus Wagenitz
 Genus Chamaepus Wagenitz
                                                                                 Genus Charadranaetes Janovec & H. Rob.
 Genus Charadranaetes Janovec & H. Rob.
                                                                                 Genus Cheirolophus Cassini (1827)
 Genus Cheirolophus Cassini (1827)
                                                                                 Genus Chersodoma Phil. (1891)
 Genus Chersodoma Phil. (1891)
                                                                                 Genus Chevreulia Cassini (1817)
 Genus Chevreulia Cassini (1817)
                                                                                 Genus Chihuahuana Urbatsch & R.P.Roberts
 Genus Chihuahuana Urbatsch & R.P.Roberts
                                                                                 Genus Chiliadenus Cassini (1825)
 Genus Chiliadenus Cassini (1825)
                                                                                 Genus Chiliocephalum Bentham (1873)
 Genus Chiliocephalum Bentham (1873)
                                                                                 Genus Chiliophyllum Phil. (1864), nom. cons.
 Genus Chiliophyllum Phil. (1864), nom. cons.
                                                                                 Genus Chiliotrichiopsis A.L. Cabrera (1937)
 Genus Chiliotrichiopsis A.L. Cabrera (1937)
                                                                                 Genus Chiliotrichum Cassini (1817)
 Genus Chiliotrichum Cassini (1817)
                                                                                 Genus Chimantaea Maguire et al. (1957)
 Genus Chimantaea Maguire et al. (1957)
                                                                                 Genus Chionolaena DC. (1836)
 Genus Chionolaena DC. (1836)
                                                                                 Genus Chionopappus Bentham, in Bentham & Hook.f. (1873)
 Genus Chionopappus Bentham, in Bentham & Hook.f. (1873)
                                                                                 Genus Chlaenobolus Cass.
 Genus Chlaenobolus Cass.
                                                                                 Genus Chlamydophora Ehrenberg ex Lessing (1832)
 Genus Chlamydophora Ehrenberg ex Lessing (1832)
                                                                                 Genus Chlamysperma Less.
 Genus Chlamysperma Less.
                                                                                 Genus Chloracantha Nesom, Y. B. Suh, D. R. Morgan, S. D. Sundb. & B. B. Simpson
 Genus Chloracantha Nesom, Y. B. Suh, D. R. Morgan, S. D. Sundb. & B. B. Simpson
                                                                                 Genus Chondropyxis D.A. Cooke (1986)
 Genus Chondropyxis D.A. Cooke (1986)
                                                                                 Genus Chorisis DC. (1838)
 Genus Chorisis DC. (1838)
                                                                                 Genus Chorisiva (A.Gray) Rydb.
 Genus Chorisiva (A.Gray) Rydb.
                                                                                 Genus Chresta Vellozo ex DC. (1836)
 Genus Chresta Vellozo ex DC. (1836)
                                                                                 Genus Chromolepis Bentham (1840)
 Genus Chromolepis Bentham (1840)
                                                                                 Genus Chronopappus DC. (1836)
 Genus Chronopappus DC. (1836)
                                                                                 Genus Chrysactinia A.Gray (1849)
 Genus Chrysactinia A.Gray (1849)
                                                                                 Genus Chrysanthoglossum B. H. Wilcox, K. Bremer & Humphries
 Genus Chrysanthoglossum B. H. Wilcox, K. Bremer & Humphries
                                                                                 Genus Chrysocephalum Walp.
 Genus Chrysocephalum Walp.
                                                                                 Genus Chrysolaena H. Rob.
 Genus Chrysolaena H. Rob.
                                                                                 Genus Chrysoma Nutt.
 Genus Chrysoma Nutt.
                                                                                 Genus Chrysophthalmum Phil.
 Genus Chrysophthalmum Phil.
                                                                                 Genus Chthonocephalus Steetz, in Lehm. (1845)
 Genus Chthonocephalus Steetz, in Lehm. (1845)
                                                                                 Genus Chucoa Cabrera (1955)
 Genus Chucoa Cabrera (1955)
                                                                                 Genus Ciceronia Urban (1925)
 Genus Ciceronia Urban (1925)
                                                                                 Nothogenus ×Cirsiocarduus
 Nothogenus ×Cirsiocarduus
                                                                                 Genus Cissampelopsis (DC.) Miquel (1856)
 Genus Cissampelopsis (DC.) Miquel (1856)
                                                                                 Genus Cladochaeta DC. (1838)
 Genus Cladochaeta DC. (1838)
                                                                                 Genus Clappia A.Gray (1859)
 Genus Clappia A.Gray (1859)
                                                                                 Genus Clibadium L. (1771)
 Genus Clibadium L. (1771)
                                                                                 Genus Cnicothamnus Grisebach (1874)
 Genus Cnicothamnus Grisebach (1874)
                                                                                 Genus Codonocephalum Fenzl
 Genus Codonocephalum Fenzl
                                                                                 Genus Coespeletia J. Cuatrecasas (1976)
 Genus Coespeletia J. Cuatrecasas (1976)
                                                                                 Genus Coleocoma F.Muell. (1857)
 Genus Coleocoma F.Muell. (1857)
                                                                                 Genus Coleosanthus Cass.
 Genus Coleosanthus Cass.
                                                                                 Genus Coleostephus Cassini (1826)
 Genus Coleostephus Cassini (1826)
                                                                                 Genus Colobanthera Humbert (1923)
 Genus Colobanthera Humbert (1923)
                                                                                 Genus Cololobus H. Rob.
 Genus Cololobus H. Rob.
                                                                                 Genus Columbiadoria G. L. Nesom
 Genus Columbiadoria G. L. Nesom
                                                                                 Genus Comaclinium Scheidweiler & Planch. (1852)
 Genus Comaclinium Scheidweiler & Planch. (1852)
                                                                                 Genus Comborhiza Anderb. & K.Bremer
 Genus Comborhiza Anderb. & K.Bremer
                                                                                 Genus Condylidium R.M. King & H.Rob. (1972)
 Genus Condylidium R.M. King & H.Rob. (1972)
                                                                                 Genus Condylopodium R.M. King & H.Rob. (1972)
 Genus Condylopodium R.M. King & H.Rob. (1972)
                                                                                 Genus Conocliniopsis R.M. King & H.Rob. (1972)
 Genus Conocliniopsis R.M. King & H.Rob. (1972)
                                                                                 Genus Conoclinium DC. (1836)
 Genus Conoclinium DC. (1836)
                                                                                 Genus Constancea B.G.Baldwin
 Genus Constancea B.G.Baldwin
                                                                                 Nothogenus ×Conyzigeron
 Nothogenus ×Conyzigeron
                                                                                 Genus Coreocarpus Bentham (1844)
 Genus Coreocarpus Bentham (1844)
                                                                                 Genus Corethamnium R.M. King & H.Rob. (1978)
 Genus Corethamnium R.M. King & H.Rob. (1978)
                                                                                 Genus Corethrogyne DC. (1836)
 Genus Corethrogyne DC. (1836)
                                                                                 Genus Coronidium Paul G. Wilson
 Genus Coronidium Paul G. Wilson
                                                                                 Genus Cota J. Gay
 Genus Cota J. Gay
                                                                                 Genus Coulterella Vasey & Rose (1890)
 Genus Coulterella Vasey & Rose (1890)
                                                                                 Genus Cousiniopsis Nevski (1937)
 Genus Cousiniopsis Nevski (1937)
                                                                                 Genus Cratystylis S.Moore (1905)
 Genus Cratystylis S.Moore (1905)
                                                                                 Genus Cremnothamnus Puttock
 Genus Cremnothamnus Puttock
                                                                                 Nothogenus ×Crepi-Hieracium
 Nothogenus ×Crepi-Hieracium
                                                                                 Nothogenus ×Crepidiastrixeris
 Nothogenus ×Crepidiastrixeris
                                                                                 Genus Crepidiastrum Nakai (1920)
 Genus Crepidiastrum Nakai (1920)
                                                                                 Genus Crinitaria Cass.
 Genus Crinitaria Cass.
                                                                                 Genus Criscia Katinas
 Genus Criscia Katinas
                                                                                 Genus Critoniadelphus R.M. King & H.Rob. (1971)
 Genus Critoniadelphus R.M. King & H.Rob. (1971)
                                                                                 Genus Critoniella R.M. King & H.Rob. (1975)
 Genus Critoniella R.M. King & H.Rob. (1975)
                                                                                 Genus Critoniopsis C.H. Schultz-Bip. (1863)
 Genus Critoniopsis C.H. Schultz-Bip. (1863)
                                                                                 Genus Crocidium Hook. (1833)
 Genus Crocidium Hook. (1833)
                                                                                 Genus Cronquistianthus R.M. King & H.Rob. (1972)
 Genus Cronquistianthus R.M. King & H.Rob. (1972)
                                                                                 Genus Croptilon Rafinesque (1837)
 Genus Croptilon Rafinesque (1837)
                                                                                 Genus Crossostephium Lessing (1831)
 Genus Crossostephium Lessing (1831)
                                                                                 Genus Crossothamnus R.M. King & H.Rob. (1972)
 Genus Crossothamnus R.M. King & H.Rob. (1972)
                                                                                 Genus Cryptostemma R.Br. (1813)
 Genus Cryptostemma R.Br. (1813)
                                                                                 Genus Cuatrecasanthus H. Rob.
 Genus Cuatrecasanthus H. Rob.
                                                                                 Genus Cuatrecasasiella H.Rob. (1985)
 Genus Cuatrecasasiella H.Rob. (1985)
                                                                                 Genus Cuchumatanea Seidenschnur & Beaman (1966)
 Genus Cuchumatanea Seidenschnur & Beaman (1966)
                                                                                 Genus Culcitium Humb. & Bonpl.
 Genus Culcitium Humb. & Bonpl.
                                                                                 Genus Cuniculotinus Urbatsch, R. P. Roberts & Neubig
 Genus Cuniculotinus Urbatsch, R. P. Roberts & Neubig
                                                                                 Genus Cuspidia Gaertn. (1791)
 Genus Cuspidia Gaertn. (1791)
                                                                                 Genus Cyanthillium Blume
 Genus Cyanthillium Blume
                                                                                 Genus Cyanus Mill.
 Genus Cyanus Mill.
                                                                                 Genus Cyathocline Cassini (1829)
 Genus Cyathocline Cassini (1829)
                                                                                 Genus Cyathomone S.F.Blake (1923)
 Genus Cyathomone S.F.Blake (1923)
                                                                                 Genus Cyclolepis Gillies ex D.Don (1832)
 Genus Cyclolepis Gillies ex D.Don (1832)
                                                                                 Genus Cymbonotus Cassini (1825)
 Genus Cymbonotus Cassini (1825)
                                                                                 Genus Cymbopappus B. Nordenstam (1976)
 Genus Cymbopappus B. Nordenstam (1976)
                                                                                 Genus Cymophora B.L. Robinson (1907)
 Genus Cymophora B.L. Robinson (1907)
                                                                                 Genus Cyrtocymura H. Rob.
 Genus Cyrtocymura H. Rob.
                                                                                 Genus Dacryotrichia H. Wild (1973)
 Genus Dacryotrichia H. Wild (1973)
                                                                                 Genus Damnamenia Given
 Genus Damnamenia Given
                                                                                 Genus Damnxanthodium J.L. Strother (1987)
 Genus Damnxanthodium J.L. Strother (1987)
                                                                                 Genus Darwiniothamnus G. Harling (1962)
 Genus Darwiniothamnus G. Harling (1962)
                                                                                 Genus Dasyandantha H. Rob.
 Genus Dasyandantha H. Rob.
                                                                                 Genus Dasyanthina H. Rob.
 Genus Dasyanthina H. Rob.
                                                                                 Genus Dasycondylus R.M. King & H.Rob. (1972)
 Genus Dasycondylus R.M. King & H.Rob. (1972)
                                                                                 Genus Dauresia B. Nord. & Pelser
 Genus Dauresia B. Nord. & Pelser
                                                                                 Genus Daveaua Willkomm ex Mariz (1891)
 Genus Daveaua Willkomm ex Mariz (1891)
                                                                                 Genus Decachaeta DC. (1836)
 Genus Decachaeta DC. (1836)
                                                                                 Genus Decastylocarpus Humbert (1923)
 Genus Decastylocarpus Humbert (1923)
                                                                                 Genus Decazesia F.Muell. (1879)
 Genus Decazesia F.Muell. (1879)
                                                                                 Genus Deinandra Greene
 Genus Deinandra Greene
                                                                                 Genus Delairea Lemaire (1844)
 Genus Delairea Lemaire (1844)
                                                                                 Genus Delamerea S.M. Moore (1900)
 Genus Delamerea S.M. Moore (1900)
                                                                                 Genus Delilia Spreng. (1823)
 Genus Delilia Spreng. (1823)
                                                                                 Genus Delwiensia W. A. Weber & R. C. Wittmann
 Genus Delwiensia W. A. Weber & R. C. Wittmann
                                                                                 Genus Dendrosenecio (L. Hauman ex O. Hedberg) B. Nordenstam (1978)
 Genus Dendrosenecio (L. Hauman ex O. Hedberg) B. Nordenstam (1978)
                                                                                 Genus Desmanthodium Bentham (1872)
 Genus Desmanthodium Bentham (1872)
                                                                                 Genus Dewildemania O.Hoffm., in E. De Wildeman (1903)
 Genus Dewildemania O.Hoffm., in E. De Wildeman (1903)
                                                                                 Genus Diacranthera R.M. King & H.Rob. (1972)
 Genus Diacranthera R.M. King & H.Rob. (1972)
                                                                                 Genus Dianthoseris C.H. Schultz-Bip. (1842)
 Genus Dianthoseris C.H. Schultz-Bip. (1842)
                                                                                 Genus Diaperia Nutt. (1840)
 Genus Diaperia Nutt. (1840)
                                                                                 Genus Diaphractanthus Humbert (1923)
 Genus Diaphractanthus Humbert (1923)
                                                                                 Genus Diaspananthus Miq.
 Genus Diaspananthus Miq.
                                                                                 Genus Dicercoclados C.Jeffrey & Y.L. Chen (1984)
 Genus Dicercoclados C.Jeffrey & Y.L. Chen (1984)
                                                                                 Genus Dicerothamnus Koek.
 Genus Dicerothamnus Koek.
                                                                                 Genus Dichaetophora A.Gray (1849)
 Genus Dichaetophora A.Gray (1849)
                                                                                 Genus Dichromochlamys C.R. Dunlop (1980)
 Genus Dichromochlamys C.R. Dunlop (1980)
                                                                                 Genus Dicoria J. Torrey & A.Gray, in J. Torrey (1859)
 Genus Dicoria J. Torrey & A.Gray, in J. Torrey (1859)
                                                                                 Genus Dicranocarpus A.Gray (1854)
 Genus Dicranocarpus A.Gray (1854)
                                                                                 Genus Didelta L'Hér. (1786), nom. cons.
 Genus Didelta L'Hér. (1786), nom. cons.
                                                                                 Genus Dielitzia P. S. Short
 Genus Dielitzia P. S. Short
                                                                                 Genus Dieteria Nutt.
 Genus Dieteria Nutt.
                                                                                 Genus Digitacalia R.W. Pippen (1968)
 Genus Digitacalia R.W. Pippen (1968)
                                                                                 Genus Dillandia V. A.Funk & H. Rob.
 Genus Dillandia V. A.Funk & H. Rob.
                                                                                 Genus Dimeresia A.Gray (1886)
 Genus Dimeresia A.Gray (1886)
                                                                                 Genus Dimerostemma Cassini (1817)
 Genus Dimerostemma Cassini (1817)
                                                                                 Genus Dimorphocoma F.Muell. & Tate (1883)
 Genus Dimorphocoma F.Muell. & Tate (1883)
                                                                                 Genus Dinoseris Grisebach (1879)
 Genus Dinoseris Grisebach (1879)
                                                                                 Genus Diodontium F.Muell.
 Genus Diodontium F.Muell.
                                                                                 Genus Diplazoptilon Ling (1965)
 Genus Diplazoptilon Ling (1965)
                                                                                 Genus Diplopappus Cass.
 Genus Diplopappus Cass.
                                                                                 Genus Dipterocome F.E.L. Fisch. & C.A.Mey. (1835)
 Genus Dipterocome F.E.L. Fisch. & C.A.Mey. (1835)
                                                                                 Genus Dipterocypsela S.F.Blake (1945)
 Genus Dipterocypsela S.F.Blake (1945)
                                                                                 Genus Disparago Gaertn. (1791), nom. cons.
 Genus Disparago Gaertn. (1791), nom. cons.
                                                                                 Genus Dissothrix A.Gray (1851)
 Genus Dissothrix A.Gray (1851)
                                                                                 Genus Disynaphia Hook. & Arnott ex DC. (1838)
 Genus Disynaphia Hook. & Arnott ex DC. (1838)
                                                                                 Genus Dithyrostegia A.Gray (1851)
 Genus Dithyrostegia A.Gray (1851)
                                                                                 Genus Dittrichia W. Greuter (1973)
 Genus Dittrichia W. Greuter (1973)
                                                                                 Genus Doellia Sch. Bip.
 Genus Doellia Sch. Bip.
                                                                                 Genus Doellingeria Nees
 Genus Doellingeria Nees
                                                                                 Genus Dolichlasium Lag. (1811)
 Genus Dolichlasium Lag. (1811)
                                                                                 Genus Dolichoglottis B. Nordenstam (1978)
 Genus Dolichoglottis B. Nordenstam (1978)
                                                                                 Genus Dolichorrhiza (A.I. Pojarkova) A.I. Galučko (1970)
 Genus Dolichorrhiza (A.I. Pojarkova) A.I. Galučko (1970)
                                                                                 Genus Dolichothrix O.M. Hilliard & B.L.Burtt (1981)
 Genus Dolichothrix O.M. Hilliard & B.L.Burtt (1981)
                                                                                 Genus Dolomiaea DC. (1833)
 Genus Dolomiaea DC. (1833)
                                                                                 Genus Doniophyton H.A. Weddell (1855)
 Genus Doniophyton H.A. Weddell (1855)
                                                                                 Genus Dorobaea Cass.
 Genus Dorobaea Cass.
                                                                                 Genus Dresslerothamnus H.Rob. (1978)
 Genus Dresslerothamnus H.Rob. (1978)
                                                                                 Genus Dugaldia Cassini (1828)
 Genus Dugaldia Cassini (1828)
                                                                                 Genus Dugesia A.Gray (1882)
 Genus Dugesia A.Gray (1882)
                                                                                 Genus Duidaea S.F.Blake (1931)
 Genus Duidaea S.F.Blake (1931)
                                                                                 Genus Duseniella K.M. Schumann (1902)
 Genus Duseniella K.M. Schumann (1902)
                                                                                 Genus Dymondia R.H. Compton (1953)
 Genus Dymondia R.H. Compton (1953)
                                                                                 Genus Dyscritothamnus B.L. Robinson (1922)
 Genus Dyscritothamnus B.L. Robinson (1922)
                                                                                 Genus Dysodiopsis (A.Gray) Rydberg (1915)
 Genus Dysodiopsis (A.Gray) Rydberg (1915)
                                                                                 Genus Eastwoodia T.S. Brandegee (1894)
 Genus Eastwoodia T.S. Brandegee (1894)
                                                                                 Genus Eatonella A.Gray (1883)
 Genus Eatonella A.Gray (1883)
                                                                                 Genus Echinocoryne H. Rob.
 Genus Echinocoryne H. Rob.
                                                                                 Genus Edmondia Cassini (1818)
 Genus Edmondia Cassini (1818)
                                                                                 Genus Edwartiothamnus
 Genus Edwartiothamnus
                                                                                 Genus Egletes Cassini (1817)
 Genus Egletes Cassini (1817)
                                                                                 Genus Eirmocephala H. Rob.
 Genus Eirmocephala H. Rob.
                                                                                 Genus Eitenia R.M. King & H.Rob. (1974)
 Genus Eitenia R.M. King & H.Rob. (1974)
                                                                                 Genus Ekmaniopappus Borhidi
 Genus Ekmaniopappus Borhidi
                                                                                 Genus Elachanthemum Y. Ling & Y. R. Ling
 Genus Elachanthemum Y. Ling & Y. R. Ling
                                                                                 Genus Elachanthus F.Muell. (1853)
 Genus Elachanthus F.Muell. (1853)
                                                                                 Genus Elaphandra Strother
 Genus Elaphandra Strother
                                                                                 Genus Elekmania B. Nord.
 Genus Elekmania B. Nord.
                                                                                 Genus Eleutheranthera Poiteau ex Bosc (1803)
 Genus Eleutheranthera Poiteau ex Bosc (1803)
                                                                                 Genus Ellenbergia Cuatrecasas (1964)
 Genus Ellenbergia Cuatrecasas (1964)
                                                                                 Genus Embergeria Boulos
 Genus Embergeria Boulos
                                                                                 Genus Emiliella S.M. Moore (1918)
 Genus Emiliella S.M. Moore (1918)
                                                                                 Genus Enceliopsis (A.Gray) A.Nelson (1909)
 Genus Enceliopsis (A.Gray) A.Nelson (1909)
                                                                                 Genus Endocellion N. Turczaninow ex F. von Herder (1865)
 Genus Endocellion N. Turczaninow ex F. von Herder (1865)
                                                                                 Genus Engelmannia A.Gray ex Nutt. (1840)
 Genus Engelmannia A.Gray ex Nutt. (1840)
                                                                                 Genus Enydra Loureiro (1790)
 Genus Enydra Loureiro (1790)
                                                                                 Genus Epallage DC.
 Genus Epallage DC.
                                                                                 Genus Epitriche Turczaninow (1851)
 Genus Epitriche Turczaninow (1851)
                                                                                 Genus Erato DC. (1836)
 Genus Erato DC. (1836)
                                                                                 Genus Erechtites Rafinesque (1817)
 Genus Erechtites Rafinesque (1817)
                                                                                 Genus Eriachaenium C.H. Schultz-Bip. (1855)
 Genus Eriachaenium C.H. Schultz-Bip. (1855)
                                                                                 Genus Ericentrodea S.F.Blake & E.E. Sherff (1923)
 Genus Ericentrodea S.F.Blake & E.E. Sherff (1923)
                                                                                 Genus Erigerodes
 Genus Erigerodes
                                                                                 Genus Eriochlamys Sonder & F.Muell. (1853)
 Genus Eriochlamys Sonder & F.Muell. (1853)
                                                                                 Genus Eriocoma Kunth
 Genus Eriocoma Kunth
                                                                                 Genus Eriotrix Cassini (1817)
 Genus Eriotrix Cassini (1817)
                                                                                 Genus Erlangea C.H. Schultz-Bip. (1853)
 Genus Erlangea C.H. Schultz-Bip. (1853)
                                                                                 Genus Erodiophyllum F.Muell. (1875)
 Genus Erodiophyllum F.Muell. (1875)
                                                                                 Genus Erymophyllum P.G. Wilson (1989)
 Genus Erymophyllum P.G. Wilson (1989)
                                                                                 Genus Eryngiophyllum Greenman (1903)
 Genus Eryngiophyllum Greenman (1903)
                                                                                 Genus Espejoa DC. (1836)
 Genus Espejoa DC. (1836)
                                                                                 Genus Espeletiopsis J. Cuatrecasas (1976)
 Genus Espeletiopsis J. Cuatrecasas (1976)
                                                                                 Genus Ethulia L.f. (1762)
 Genus Ethulia L.f. (1762)
                                                                                 Genus Ethuliopsis F.Muell.
 Genus Ethuliopsis F.Muell.
                                                                                 Genus Eucephalus Nutt.
 Genus Eucephalus Nutt.
                                                                                 Genus Euchiton Cassini (1828)
 Genus Euchiton Cassini (1828)
                                                                                 Genus Eumorphia DC. (1838)
 Genus Eumorphia DC. (1838)
                                                                                 Genus Eupatoriastrum Greenman (1904)
 Genus Eupatoriastrum Greenman (1904)
                                                                                 Genus Eupatorina R.M. King & H.Rob. (1971)
 Genus Eupatorina R.M. King & H.Rob. (1971)
                                                                                 Genus Eupatoriopsis Hieronymus (1893)
 Genus Eupatoriopsis Hieronymus (1893)
                                                                                 Genus Euphrosyne DC. (1836)
 Genus Euphrosyne DC. (1836)
                                                                                 Genus Eurybia Cass.
 Genus Eurybia Cass.
                                                                                 Genus Eutetras A.Gray (1879)
 Genus Eutetras A.Gray (1879)
                                                                                 Genus Euthamia Elliott
 Genus Euthamia Elliott
                                                                                 Genus Eutrochium Raf.
 Genus Eutrochium Raf.
                                                                                 Genus Evacidium Pomel (1875)
 Genus Evacidium Pomel (1875)
                                                                                 Genus Ewartia Beauverd (1910)
 Genus Ewartia Beauverd (1910)
                                                                                 Genus Exomiocarpon Lawalrée (1943)
 Genus Exomiocarpon Lawalrée (1943)
                                                                                 Genus Faberia Hemsl., in F.B. Forbes & Hemsl. (1888)
 Genus Faberia Hemsl., in F.B. Forbes & Hemsl. (1888)
                                                                                 Genus Facelis Cassini (1819)
 Genus Facelis Cassini (1819)
                                                                                 Genus Faujasia Cassini (1819)
 Genus Faujasia Cassini (1819)
                                                                                 Genus Faujasiopsis C. Jeffrey
 Genus Faujasiopsis C. Jeffrey
                                                                                 Genus Faxonia T.S. Brandegee (1894)
 Genus Faxonia T.S. Brandegee (1894)
                                                                                 Genus Feddea Urban (1925)
 Genus Feddea Urban (1925)
                                                                                 Genus Feldstonia P. S. Short
 Genus Feldstonia P. S. Short
                                                                                 Genus Femeniasia A. Susanna de la Serna (1988)
 Genus Femeniasia A. Susanna de la Serna (1988)
                                                                                 Genus Fenixia E.D. Merrill (1917)
 Genus Fenixia E.D. Merrill (1917)
                                                                                 Genus Ferreyranthus H.Rob. & R.D. Brettell (1974)
 Genus Ferreyranthus H.Rob. & R.D. Brettell (1974)
                                                                                 Genus Ferreyrella S.F.Blake (1958)
 Genus Ferreyrella S.F.Blake (1958)
                                                                                 Nothogenus ×Filfia
 Nothogenus ×Filfia
                                                                                 Genus Filifolium Kitamura (1940)
 Genus Filifolium Kitamura (1940)
                                                                                 Genus Fitzwillia P. S. Short
 Genus Fitzwillia P. S. Short
                                                                                 Genus Fleischmanniopsis R.M. King & H.Rob. (1971)
 Genus Fleischmanniopsis R.M. King & H.Rob. (1971)
                                                                                 Genus Florestina Cassini (1817)
 Genus Florestina Cassini (1817)
                                                                                 Genus Floscaldasia Cuatrecasas (1968)
 Genus Floscaldasia Cuatrecasas (1968)
                                                                                 Genus Flosmutisia J. Cuatrecasas (1986)
 Genus Flosmutisia J. Cuatrecasas (1986)
                                                                                 Genus Flyriella R.M. King & H.Rob. (1972)
 Genus Flyriella R.M. King & H.Rob. (1972)
                                                                                 Genus Formania W.W.Sm. & J.K. Small (1922)
 Genus Formania W.W.Sm. & J.K. Small (1922)
                                                                                 Genus Foveolina M. Kallersjo (1988)
 Genus Foveolina M. Kallersjo (1988)
                                                                                 Genus Freya V.M. Badillo (1985)
 Genus Freya V.M. Badillo (1985)
                                                                                 Genus Frolovia (DC.) Lipsch.
 Genus Frolovia (DC.) Lipsch.
                                                                                 Genus Fulcaldea Poiret (1817)
 Genus Fulcaldea Poiret (1817)
                                                                                 Genus Galatella Cass.
 Genus Galatella Cass.
                                                                                 Genus Galeana La Llave, in La Llave & Lexarza (1824)
 Genus Galeana La Llave, in La Llave & Lexarza (1824)
                                                                                 Genus Galeomma S. Rauschert (1982)
 Genus Galeomma S. Rauschert (1982)
                                                                                 Genus Gamochaetopsis Anderb. & S.E.Freire
 Genus Gamochaetopsis Anderb. & S.E.Freire
                                                                                 Genus Garberia A.Gray (1880)
 Genus Garberia A.Gray (1880)
                                                                                 Genus Garcibarrigoa J. Cuatrecasas (1986)
 Genus Garcibarrigoa J. Cuatrecasas (1986)
                                                                                 Genus Gardnerina R.M. King & H.Rob. (1981)
 Genus Gardnerina R.M. King & H.Rob. (1981)
                                                                                 Genus Garhadiolus Jaub. & Spach
 Genus Garhadiolus Jaub. & Spach
                                                                                 Genus Geigeria Griesselich (1830)
 Genus Geigeria Griesselich (1830)
                                                                                 Genus Geissolepis B.L. Robinson (1892)
 Genus Geissolepis B.L. Robinson (1892)
                                                                                 Genus Geraea J. Torrey & A.Gray (1846)
 Genus Geraea J. Torrey & A.Gray (1846)
                                                                                 Genus Geropogon L. (1763)
 Genus Geropogon L. (1763)
                                                                                 Genus Gilberta Turcz.
 Genus Gilberta Turcz.
                                                                                 Genus Gilruthia Ewart (1909)
 Genus Gilruthia Ewart (1909)
                                                                                 Genus Gladiopappus Humbert (1948)
 Genus Gladiopappus Humbert (1948)
                                                                                 Genus Glebionis Cass.
 Genus Glebionis Cass.
                                                                                 Genus Glossarion Maguire & Wurdack (1957)
 Genus Glossarion Maguire & Wurdack (1957)
                                                                                 Genus Glossocardia Cassini (1817)
 Genus Glossocardia Cassini (1817)
                                                                                 Genus Glossogyne Cass.
 Genus Glossogyne Cass.
                                                                                 Genus Glossopappus Kunze (1846)
 Genus Glossopappus Kunze (1846)
                                                                                 Genus Glyptopleura D.C.Eaton, in S.Watson, in C. King (1871)
 Genus Glyptopleura D.C.Eaton, in S.Watson, in C. King (1871)
                                                                                 Genus Gnaphaliothamnus M.E. Kirpicznikov, in M.E. Kirpicznikov & L.A. Kuprijanova (1950)
 Genus Gnaphaliothamnus M.E. Kirpicznikov, in M.E. Kirpicznikov & L.A. Kuprijanova (1950)
                                                                                 Genus Gnephosis Cassini (1820)
 Genus Gnephosis Cassini (1820)
                                                                                 Genus Gnomophalium Greuter
 Genus Gnomophalium Greuter
                                                                                 Genus Goldmanella Greenman (1908)
 Genus Goldmanella Greenman (1908)
                                                                                 Genus Gongrostylus R.M. King & H.Rob. (1972)
 Genus Gongrostylus R.M. King & H.Rob. (1972)
                                                                                 Genus Gongrothamnus Steetz
 Genus Gongrothamnus Steetz
                                                                                 Genus Gongylolepis R. Schomburgk (1847)
 Genus Gongylolepis R. Schomburgk (1847)
                                                                                 Genus Goniocaulon Cassini (1817)
 Genus Goniocaulon Cassini (1817)
                                                                                 Genus Gonospermum Lessing (1832)
 Genus Gonospermum Lessing (1832)
                                                                                 Genus Gorceixia Baker (1882)
 Genus Gorceixia Baker (1882)
                                                                                 Genus Gossweilera S.M. Moore (1908)
 Genus Gossweilera S.M. Moore (1908)
                                                                                 Genus Goyazianthus R.M. King & H.Rob. (1977)
 Genus Goyazianthus R.M. King & H.Rob. (1977)
                                                                                 Genus Grangeopsis Humbert (1923)
 Genus Grangeopsis Humbert (1923)
                                                                                 Genus Graphistylis B. Nordenstam (1978)
 Genus Graphistylis B. Nordenstam (1978)
                                                                                 Genus Gratwickia F. v. Mueller (1895)
 Genus Gratwickia F. v. Mueller (1895)
                                                                                 Genus Grauanthus A. Fayed (1979)
 Genus Grauanthus A. Fayed (1979)
                                                                                 Genus Grazielia R.M. King & H.Rob. (1972)
 Genus Grazielia R.M. King & H.Rob. (1972)
                                                                                 Genus Greenmaniella W.M. Sharp (1935)
 Genus Greenmaniella W.M. Sharp (1935)
                                                                                 Genus Grisebachianthus R.M. King & H.Rob. (1975)
 Genus Grisebachianthus R.M. King & H.Rob. (1975)
                                                                                 Genus Guardiola Cervantes ex Bonpl., in Humb. & Bonpl. (1807)
 Genus Guardiola Cervantes ex Bonpl., in Humb. & Bonpl. (1807)
                                                                                 Genus Guayania R.M. King & H.Rob. (1971)
 Genus Guayania R.M. King & H.Rob. (1971)
                                                                                 Genus Guevaria R.M. King & H.Rob. (1974)
 Genus Guevaria R.M. King & H.Rob. (1974)
                                                                                 Genus Gundlachia A.Gray (1880)
 Genus Gundlachia A.Gray (1880)
                                                                                 Genus Gutenbergia C.H. Schultz-Bip. (1840)
 Genus Gutenbergia C.H. Schultz-Bip. (1840)
                                                                                 Genus Guynesomia Bonif. & G. Sancho
 Genus Guynesomia Bonif. & G. Sancho
                                                                                 Genus Gymnanthemum Cass.
 Genus Gymnanthemum Cass.
                                                                                 Genus Gymnaster Kitam.
 Genus Gymnaster Kitam.
                                                                                 Genus Gymnocondylus R.M. King & H.Rob. (1972)
 Genus Gymnocondylus R.M. King & H.Rob. (1972)
                                                                                 Genus Gymnocoronis DC. (1836)
 Genus Gymnocoronis DC. (1836)
                                                                                 Genus Gymnodiscus Lessing (1831)
 Genus Gymnodiscus Lessing (1831)
                                                                                 Genus Gymnolaena (DC.) Rydberg (1915)
 Genus Gymnolaena (DC.) Rydberg (1915)
                                                                                 Genus Gymnolomia Kunth
 Genus Gymnolomia Kunth
                                                                                 Genus Gymnopentzia Bentham, in Bentham & Hook.f. (1876)
 Genus Gymnopentzia Bentham, in Bentham & Hook.f. (1876)
                                                                                 Genus Gymnostephium Lessing (1832)
 Genus Gymnostephium Lessing (1832)
                                                                                 Genus Gypothamnium Philippi (1860)
 Genus Gypothamnium Philippi (1860)
                                                                                 Genus Gyptis (Cassini) Cassini (1820)
 Genus Gyptis (Cassini) Cassini (1820)
                                                                                 Genus Gyrodoma H. Wild (1974)
 Genus Gyrodoma H. Wild (1974)
                                                                                 Genus Haastia Hook.f. (1864)
 Genus Haastia Hook.f. (1864)
                                                                                 Genus Haeckeria F.Muell. (1853)
 Genus Haeckeria F.Muell. (1853)
                                                                                 Genus Haegiela P. S. Short & Paul G. Wilson
 Genus Haegiela P. S. Short & Paul G. Wilson
                                                                                 Genus Handelia Heimerl (1922)
 Genus Handelia Heimerl (1922)
                                                                                 Genus Haplocarpha Lessing (1831)
 Genus Haplocarpha Lessing (1831)
                                                                                 Genus Haploesthes A.Gray
 Genus Haploesthes A.Gray
                                                                                 Genus Haptotrichion Paul G. Wilson
 Genus Haptotrichion Paul G. Wilson
                                                                                 Genus Harleya S.F.Blake (1932)
 Genus Harleya S.F.Blake (1932)
                                                                                 Genus Harmonia B.G.Baldwin
 Genus Harmonia B.G.Baldwin
                                                                                 Genus Harnackia Urban (1925)
 Genus Harnackia Urban (1925)
                                                                                 Genus Hartwrightia A.Gray ex S.Watson (1888)
 Genus Hartwrightia A.Gray ex S.Watson (1888)
                                                                                 Genus Hasteola Rafinesque (1838)
 Genus Hasteola Rafinesque (1838)
                                                                                 Genus Hatschbachiella R.M. King & H.Rob. (1972)
 Genus Hatschbachiella R.M. King & H.Rob. (1972)
                                                                                 Genus Hazardia E.L. Greene (1887)
 Genus Hazardia E.L. Greene (1887)
                                                                                 Genus Hebeclinium DC. (1836)
 Genus Hebeclinium DC. (1836)
                                                                                 Genus Hedosyne Strother
 Genus Hedosyne Strother
                                                                                 Genus Helianthella J. Torrey & A.Gray (1842)
 Genus Helianthella J. Torrey & A.Gray (1842)
                                                                                 Genus Helichrysopsis M.E. Kirpicznikov, in M.E. Kirpicznikov & L.A. Kuprijanova (1950)
 Genus Helichrysopsis M.E. Kirpicznikov, in M.E. Kirpicznikov & L.A. Kuprijanova (1950)
                                                                                 Genus Heliocauta C.J. Humphries (1977)
 Genus Heliocauta C.J. Humphries (1977)
                                                                                 Genus Heliomeris Nutt. (1848)
 Genus Heliomeris Nutt. (1848)
                                                                                 Genus Heliopsis Persoon (1807), nom. cons.
 Genus Heliopsis Persoon (1807), nom. cons.
                                                                                 Genus Hemistepta
 Genus Hemistepta
                                                                                 Genus Hemisteptia Bunge ex F.E.L. Fisch. & C.A.Mey. (1835)
 Genus Hemisteptia Bunge ex F.E.L. Fisch. & C.A.Mey. (1835)
                                                                                 Genus Hemizonella (A.Gray) A.Gray
 Genus Hemizonella (A.Gray) A.Gray
                                                                                 Genus Hemizonia DC. (1836)
 Genus Hemizonia DC. (1836)
                                                                                 Genus Henricksonia B.L. Turner (1977)
 Genus Henricksonia B.L. Turner (1977)
                                                                                 Genus Herderia Cassini (1829)
 Genus Herderia Cassini (1829)
                                                                                 Genus Herreranthus B. Nord.
 Genus Herreranthus B. Nord.
                                                                                 Genus Herrickia Wooton & Standl.
 Genus Herrickia Wooton & Standl.
                                                                                 Genus Hertia Neck.
 Genus Hertia Neck.
                                                                                 Genus Hesperevax (A.Gray) A.Gray
 Genus Hesperevax (A.Gray) A.Gray
                                                                                 Genus Hesperomannia A.Gray (1865)
 Genus Hesperomannia A.Gray (1865)
                                                                                 Genus Heteranthemis Schott (1816)
 Genus Heteranthemis Schott (1816)
                                                                                 Genus Heterocoma DC. (1810)
 Genus Heterocoma DC. (1810)
                                                                                 Genus Heterocondylus R.M. King & H.Rob. (1972)
 Genus Heterocondylus R.M. King & H.Rob. (1972)
                                                                                 Genus Heteroderis (Bunge) Boissier (1875)
 Genus Heteroderis (Bunge) Boissier (1875)
                                                                                 Genus Heterolepis Cassini (1820), nom. cons.
 Genus Heterolepis Cassini (1820), nom. cons.
                                                                                 Genus Heteromera Pomel (1874)
 Genus Heteromera Pomel (1874)
                                                                                 Genus Heteromma Bentham (1873)
 Genus Heteromma Bentham (1873)
                                                                                 Genus Heteropappus Lessing (1832)
 Genus Heteropappus Lessing (1832)
                                                                                 Genus Heteroplexis Chang (1937)
 Genus Heteroplexis Chang (1937)
                                                                                 Genus Heterorhachis C.H. Schultz Bip. ex Walpers (1846)
 Genus Heterorhachis C.H. Schultz Bip. ex Walpers (1846)
                                                                                 Genus Heterosperma Cav. (1795)
 Genus Heterosperma Cav. (1795)
                                                                                 Genus Heterothalamulopsis Deble, A.S.Oliveira & Marchiori
 Genus Heterothalamulopsis Deble, A.S.Oliveira & Marchiori
                                                                                 Genus Heterothalamus Lessing, in D.F.L. Schlechtendal & Chamisso (1830)
 Genus Heterothalamus Lessing, in D.F.L. Schlechtendal & Chamisso (1830)
                                                                                 Genus Hexinia H.L.Yang
 Genus Hexinia H.L.Yang
                                                                                 Genus Hidalgoa La Llave, in La Llave & Lexarza (1824)
 Genus Hidalgoa La Llave, in La Llave & Lexarza (1824)
                                                                                 Genus Hilliardia B. Nordenstam (1987)
 Genus Hilliardia B. Nordenstam (1987)
                                                                                 Genus Hilliardiella H. Rob.
 Genus Hilliardiella H. Rob.
                                                                                 Genus Hippolytia Poljakov (1957)
 Genus Hippolytia Poljakov (1957)
                                                                                 Genus Hirtellina Cass.
 Genus Hirtellina Cass.
                                                                                 Genus Hispidella Barnadez ex Lam. (1789)
 Genus Hispidella Barnadez ex Lam. (1789)
                                                                                 Genus Hoffmanniella R. Schlechter ex A. Lawalrée (1943)
 Genus Hoffmanniella R. Schlechter ex A. Lawalrée (1943)
                                                                                 Genus Holocarpha E.L. Greene (1897)
 Genus Holocarpha E.L. Greene (1897)
                                                                                 Genus Holocheilus Cassini (1818)
 Genus Holocheilus Cassini (1818)
                                                                                 Genus Hololeion Kitamura (1941)
 Genus Hololeion Kitamura (1941)
                                                                                 Genus Hololepis DC.
 Genus Hololepis DC.
                                                                                 Genus Holoschkuhria H. Rob.
 Genus Holoschkuhria H. Rob.
                                                                                 Genus Holozonia E.L. Greene (1882)
 Genus Holozonia E.L. Greene (1882)
                                                                                 Genus Homogyne Cassini (1816)
 Genus Homogyne Cassini (1816)
                                                                                 Genus Hoorebekia Corneliss.
 Genus Hoorebekia Corneliss.
                                                                                 Genus Huarpea Cabrera (1951)
 Genus Huarpea Cabrera (1951)
                                                                                 Genus Huberopappus Pruski
 Genus Huberopappus Pruski
                                                                                 Genus Hubertia Bory de St.-Vincent (1804)
 Genus Hubertia Bory de St.-Vincent (1804)
                                                                                 Genus Hullsia P. S. Short
 Genus Hullsia P. S. Short
                                                                                 Genus Hulsea J. Torrey & A.Gray (1858)
 Genus Hulsea J. Torrey & A.Gray (1858)
                                                                                 Genus Hulteniella Tzvelev
 Genus Hulteniella Tzvelev
                                                                                 Genus Humbertacalia C. Jeffrey
 Genus Humbertacalia C. Jeffrey
                                                                                 Genus Humeocline Anderb.
 Genus Humeocline Anderb.
                                                                                 Genus Hyalea (DC.) Jaub. & Spach
 Genus Hyalea (DC.) Jaub. & Spach
                                                                                 Genus Hyalis D.Don ex Hook. & Arnott, in Hook. (1835)
 Genus Hyalis D.Don ex Hook. & Arnott, in Hook. (1835)
                                                                                 Genus Hyalochlamys A.Gray (1851)
 Genus Hyalochlamys A.Gray (1851)
                                                                                 Genus Hyaloseris Grisebach (1879)
 Genus Hyaloseris Grisebach (1879)
                                                                                 Genus Hyalosperma Steetz, in Lehm. (1845)
 Genus Hyalosperma Steetz, in Lehm. (1845)
                                                                                 Genus Hybridella Cassini (1817)
 Genus Hybridella Cassini (1817)
                                                                                 Genus Hydroidea P. O. Karis
 Genus Hydroidea P. O. Karis
                                                                                 Genus Hymenolepis Cassini (1817)
 Genus Hymenolepis Cassini (1817)
                                                                                 Genus Hymenonema Cassini (1817)
 Genus Hymenonema Cassini (1817)
                                                                                 Genus Hymenostemma Kunze ex Willkomm (1864)
 Genus Hymenostemma Kunze ex Willkomm (1864)
                                                                                 Genus Hymenostephium Bentham, in Bentham & Hook.f. (1873)
 Genus Hymenostephium Bentham, in Bentham & Hook.f. (1873)
                                                                                 Genus Hymenothrix A.Gray (1849)
 Genus Hymenothrix A.Gray (1849)
                                                                                 Genus Hypacanthium Juzepczuk (1936)
 Genus Hypacanthium Juzepczuk (1936)
                                                                                 Genus Hypericophyllum Steetz, in W.C.H. Peters (1864)
 Genus Hypericophyllum Steetz, in W.C.H. Peters (1864)
                                                                                 Genus Hypochoeris
 Genus Hypochoeris
                                                                                 Genus Hysterionica Willd. (1807)
 Genus Hysterionica Willd. (1807)
                                                                                 Genus Ianthopappus Roque & D. J. N. Hind
 Genus Ianthopappus Roque & D. J. N. Hind
                                                                                 Genus Ichthyothere Mart. (1830)
 Genus Ichthyothere Mart. (1830)
                                                                                 Genus Idiopappus H. Rob. & Panero
 Genus Idiopappus H. Rob. & Panero
                                                                                 Genus Idiothamnus R.M. King & H.Rob. (1975)
 Genus Idiothamnus R.M. King & H.Rob. (1975)
                                                                                 Genus Ignurbia B. Nord.
 Genus Ignurbia B. Nord.
                                                                                 Genus Iltisia S.F.Blake (1958)
 Genus Iltisia S.F.Blake (1958)
                                                                                 Genus Imeria R.M. King & H.Rob. (1975)
 Genus Imeria R.M. King & H.Rob. (1975)
                                                                                 Genus Inezia E.P. Phillips (1932)
 Genus Inezia E.P. Phillips (1932)
                                                                                 Genus Inuloides B.Nord.
 Genus Inuloides B.Nord.
                                                                                 Genus Inulopsis O.Hoffm.
 Genus Inulopsis O.Hoffm.
                                                                                 Genus Io B. Nord. (2003)
 Genus Io B. Nord. (2003)
                                                                                 Genus Iogeton Strother
 Genus Iogeton Strother
                                                                                 Genus Ionactis Greene
 Genus Ionactis Greene
                                                                                 Genus Iostephane Bentham, in Bentham & Hook.f. (1873)
 Genus Iostephane Bentham, in Bentham & Hook.f. (1873)
                                                                                 Genus Iotasperma G. L. Nesom
 Genus Iotasperma G. L. Nesom
                                                                                 Genus Iphiona Cassini (1817), nom. cons.
 Genus Iphiona Cassini (1817), nom. cons.
                                                                                 Genus Iphionopsis Anderb.
 Genus Iphionopsis Anderb.
                                                                                 Genus Iranecio B. Nordenstam, in M. Dittrich et al., in K.H. Rechinger (1989)
 Genus Iranecio B. Nordenstam, in M. Dittrich et al., in K.H. Rechinger (1989)
                                                                                 Genus Ischnea F.Muell. (1889)
 Genus Ischnea F.Muell. (1889)
                                                                                 Genus Ismelia Cass.
 Genus Ismelia Cass.
                                                                                 Genus Isocarpha R.Br. (1817)
 Genus Isocarpha R.Br. (1817)
                                                                                 Genus Isocoma Nutt. (1840)
 Genus Isocoma Nutt. (1840)
                                                                                 Genus Isoetopsis Turcz.
 Genus Isoetopsis Turcz.
                                                                                 Genus Isostigma Lessing (1831)
 Genus Isostigma Lessing (1831)
                                                                                 Genus Ixeridium (A.Gray) Tzvelev (1964)
 Genus Ixeridium (A.Gray) Tzvelev (1964)
                                                                                 Genus Ixiochlamys F.Muell. & Sonder (1853)
 Genus Ixiochlamys F.Muell. & Sonder (1853)
                                                                                 Genus Ixiolaena Bentham, in Endl. et al. (1837)
 Genus Ixiolaena Bentham, in Endl. et al. (1837)
                                                                                 Genus Ixodia R.Br., in Aiton & W.T. Aiton (1812)
 Genus Ixodia R.Br., in Aiton & W.T. Aiton (1812)
                                                                                 Genus Jacmaia B. Nordenstam (1978)
 Genus Jacmaia B. Nordenstam (1978)
                                                                                 Genus Jaegeria Kunth, in Humb. et al. (1818)
 Genus Jaegeria Kunth, in Humb. et al. (1818)
                                                                                 Genus Jalcophila M.O. Dillon & A. Sagástegui Alva (1986)
 Genus Jalcophila M.O. Dillon & A. Sagástegui Alva (1986)
                                                                                 Genus Jaliscoa S.Watson (1890)
 Genus Jaliscoa S.Watson (1890)
                                                                                 Genus Jamesianthus S.F.Blake & E.E. Sherff (1940)
 Genus Jamesianthus S.F.Blake & E.E. Sherff (1940)
                                                                                 Genus Jaramilloa R.M. King & H.Rob. (1980)
 Genus Jaramilloa R.M. King & H.Rob. (1980)
                                                                                 Genus Jaumea Persoon (1807)
 Genus Jaumea Persoon (1807)
                                                                                 Genus Jefea Strother
 Genus Jefea Strother
                                                                                 Genus Jeffreya H. Wild (1974)
 Genus Jeffreya H. Wild (1974)
                                                                                 Genus Jensia B.G.Baldwin
 Genus Jensia B.G.Baldwin
                                                                                 Genus Jessea H. Rob. & Cuatrec.
 Genus Jessea H. Rob. & Cuatrec.
                                                                                 Genus Joseanthus H. Rob.
 Genus Joseanthus H. Rob.
                                                                                 Genus Kalimeris (H. Cassini) H. Cassini (1825)
 Genus Kalimeris (H. Cassini) H. Cassini (1825)
                                                                                 Genus Kanimia Gardner
 Genus Kanimia Gardner
                                                                                 Genus Kaschgaria P. Poljakov (1957)
 Genus Kaschgaria P. Poljakov (1957)
                                                                                 Genus Kaunia R.M. King & H.Rob. (1980)
 Genus Kaunia R.M. King & H.Rob. (1980)
                                                                                 Genus Kemulariella Tamamsch.
 Genus Kemulariella Tamamsch.
                                                                                 Genus Kentrophyllum Neck.
 Genus Kentrophyllum Neck.
                                                                                 Genus Keysseria Lauterbach (1914)
 Genus Keysseria Lauterbach (1914)
                                                                                 Genus Kinghamia C.Jeffrey (1988)
 Genus Kinghamia C.Jeffrey (1988)
                                                                                 Genus Kingianthus H.Rob. (1978)
 Genus Kingianthus H.Rob. (1978)
                                                                                 Genus Kippistia F.Muell. (1858)
 Genus Kippistia F.Muell. (1858)
                                                                                 Genus Kirkianella H.H. Allan (1961)
 Genus Kirkianella H.H. Allan (1961)
                                                                                 Genus Klasea Cass.
 Genus Klasea Cass.
                                                                                 Genus Koehneola Urban (1901)
 Genus Koehneola Urban (1901)
                                                                                 Genus Kovalevskiella Kamelin
 Genus Kovalevskiella Kamelin
                                                                                 Genus Koyamacalia H.Rob. & Brettell
 Genus Koyamacalia H.Rob. & Brettell
                                                                                 Genus Kyhosia B.G.Baldwin
 Genus Kyhosia B.G.Baldwin
                                                                                 Genus Kyrsteniopsis R.M. King & H.Rob. (1971)
 Genus Kyrsteniopsis R.M. King & H.Rob. (1971)
                                                                                 Genus Lachnorhiza A.Rich., in R. de la Sagra (1850)
 Genus Lachnorhiza A.Rich., in R. de la Sagra (1850)
                                                                                 Genus Lachnospermum Willd. (1803)
 Genus Lachnospermum Willd. (1803)
                                                                                 Genus Laennecia Cassini (1822)
 Genus Laennecia Cassini (1822)
                                                                                 Genus Laestadia Kunth ex Less. (1832)
 Genus Laestadia Kunth ex Less. (1832)
                                                                                 Genus Lagascea Cav. (1803), nom. cons., orth. cons.
 Genus Lagascea Cav. (1803), nom. cons., orth. cons.
                                                                                 Genus Lagedium Soják
 Genus Lagedium Soják
                                                                                 Genus Lagenocypsela Swenson & K. Bremer
 Genus Lagenocypsela Swenson & K. Bremer
                                                                                 Genus Lagophylla Nutt. (1841)
 Genus Lagophylla Nutt. (1841)
                                                                                 Genus Lagoseriopsis Kirp.
 Genus Lagoseriopsis Kirp.
                                                                                 Genus Lagoseris M.Bieb.
 Genus Lagoseris M.Bieb.
                                                                                 Genus Lamprachaenium Bentham, in Bentham & Hook.f. (1873)
 Genus Lamprachaenium Bentham, in Bentham & Hook.f. (1873)
                                                                                 Genus Lamprocephalus B. Nordenstam (1976)
 Genus Lamprocephalus B. Nordenstam (1976)
                                                                                 Genus Lamyra (Cass.) Cass.
 Genus Lamyra (Cass.) Cass.
                                                                                 Genus Lamyropappus Knorring & Tamamschian (1954)
 Genus Lamyropappus Knorring & Tamamschian (1954)
                                                                                 Genus Lancisia Ponted. ex Adans.
 Genus Lancisia Ponted. ex Adans.
                                                                                 Genus Langebergia Anderb.
 Genus Langebergia Anderb.
                                                                                 Genus Lantanopsis C. Wright ex Grisebach (1862)
 Genus Lantanopsis C. Wright ex Grisebach (1862)
                                                                                 Genus Laphangium (O.M. Hilliard & B.L.Burtt) N.N. Tzvelev (1994)
 Genus Laphangium (O.M. Hilliard & B.L.Burtt) N.N. Tzvelev (1994)
                                                                                 Genus Lappa Scopoli (1754)
 Genus Lappa Scopoli (1754)
                                                                                 Genus Lapsanastrum Pak & K. Bremer
 Genus Lapsanastrum Pak & K. Bremer
                                                                                 Genus Lasianthaea DC. (1836)
 Genus Lasianthaea DC. (1836)
                                                                                 Genus Lasianthea
 Genus Lasianthea
                                                                                 Genus Lasiocephalus Willd. ex D.F.L. Schlechtendal (1818)
 Genus Lasiocephalus Willd. ex D.F.L. Schlechtendal (1818)
                                                                                 Genus Lasiolaena R.M. King & H.Rob. (1972)
 Genus Lasiolaena R.M. King & H.Rob. (1972)
                                                                                 Genus Lawrencella Lindl. (1839)
 Genus Lawrencella Lindl. (1839)
                                                                                 Genus Lebetina Cass.
 Genus Lebetina Cass.
                                                                                 Genus Lecocarpus Decaisne (1846)
 Genus Lecocarpus Decaisne (1846)
                                                                                 Genus Leibnitzia Cassini (1822)
 Genus Leibnitzia Cassini (1822)
                                                                                 Genus Leiocarpa Paul G. Wilson
 Genus Leiocarpa Paul G. Wilson
                                                                                 Genus Lemooria P. S. Short
 Genus Lemooria P. S. Short
                                                                                 Genus Leonis B. Nord.
 Genus Leonis B. Nord.
                                                                                 Genus Leontonyx Cass.
 Genus Leontonyx Cass.
                                                                                 Genus Lepidesmia Klatt (1896)
 Genus Lepidesmia Klatt (1896)
                                                                                 Genus Lepidolopsis Poljakov (1956)
 Genus Lepidolopsis Poljakov (1956)
                                                                                 Genus Lepidonia S.F.Blake (1936)
 Genus Lepidonia S.F.Blake (1936)
                                                                                 Genus Lepidophorum Necker ex DC. (1838)
 Genus Lepidophorum Necker ex DC. (1838)
                                                                                 Genus Lepidophyllum Cassini (1816)
 Genus Lepidophyllum Cassini (1816)
                                                                                 Genus Lepidospartum (A.Gray) A.Gray (1883)
 Genus Lepidospartum (A.Gray) A.Gray (1883)
                                                                                 Genus Lepidostephium Oliv. (1868)
 Genus Lepidostephium Oliv. (1868)
                                                                                 Genus Leptocarpha DC. (1836)
 Genus Leptocarpha DC. (1836)
                                                                                 Genus Leptorhynchos Lessing (1832)
 Genus Leptorhynchos Lessing (1832)
                                                                                 Genus Leptostelma D.Don
 Genus Leptostelma D.Don
                                                                                 Genus Leptosyne DC. (1836)
 Genus Leptosyne DC. (1836)
                                                                                 Genus Lescaillea Grisebach (1866)
 Genus Lescaillea Grisebach (1866)
                                                                                 Genus Lessingia Chamisso (1829)
 Genus Lessingia Chamisso (1829)
                                                                                 Genus Leto Phil.
 Genus Leto Phil.
                                                                                 Genus Leucactinia Rydberg (1915)
 Genus Leucactinia Rydberg (1915)
                                                                                 Genus Leucanthemella Tzvelev, in V.L. Komarov (1961)
 Genus Leucanthemella Tzvelev, in V.L. Komarov (1961)
                                                                                 Genus Leucanthemopsis (Giroux) V.H. Heywood (1975)
 Genus Leucanthemopsis (Giroux) V.H. Heywood (1975)
                                                                                 Genus Leuceria
 Genus Leuceria
                                                                                 Genus Leuciva Rydb.
 Genus Leuciva Rydb.
                                                                                 Genus Leucochrysum (DC.) Paul G. Wilson
 Genus Leucochrysum (DC.) Paul G. Wilson
                                                                                 Genus Leucogenes Beauverd (1910)
 Genus Leucogenes Beauverd (1910)
                                                                                 Genus Leucomeris D.Don
 Genus Leucomeris D.Don
                                                                                 Genus Leucophyta R.Br.
 Genus Leucophyta R.Br.
                                                                                 Genus Leucoseris Fourr.
 Genus Leucoseris Fourr.
                                                                                 Genus Leunisia Phil. (1864)
 Genus Leunisia Phil. (1864)
                                                                                 Genus Leysera L. (1763)
 Genus Leysera L. (1763)
                                                                                 Genus Liabellum Rydberg (1927)
 Genus Liabellum Rydberg (1927)
                                                                                 Genus Libanothamnus A. Ernst (1870)
 Genus Libanothamnus A. Ernst (1870)
                                                                                 Genus Lidbeckia P.J.Bergius (1767)
 Genus Lidbeckia P.J.Bergius (1767)
                                                                                 Genus Lifago Schweinfurth & Muschler (1911)
 Genus Lifago Schweinfurth & Muschler (1911)
                                                                                 Genus Ligulariopsis Y. L. Chen
 Genus Ligulariopsis Y. L. Chen
                                                                                 Genus Lindheimera A.Gray & Engelmann (1846)
 Genus Lindheimera A.Gray & Engelmann (1846)
                                                                                 Genus Linosyris Torr. & A.Gray
 Genus Linosyris Torr. & A.Gray
                                                                                 Genus Linzia Sch. Bip.
 Genus Linzia Sch. Bip.
                                                                                 Genus Lipochaeta DC. (1836)
 Genus Lipochaeta DC. (1836)
                                                                                 Genus Lipskyella Juzepczuk (1937)
 Genus Lipskyella Juzepczuk (1937)
                                                                                 Genus Litogyne Harv.
 Genus Litogyne Harv.
                                                                                 Genus Llerasia Triana (1858)
 Genus Llerasia Triana (1858)
                                                                                 Genus Lomanthus B. Nord. & Pelser
 Genus Lomanthus B. Nord. & Pelser
                                                                                 Genus Lophopappus H.H. Rusby (1894)
 Genus Lophopappus H.H. Rusby (1894)
                                                                                 Genus Lorandersonia Urbatsch, R. P. Roberts & Neubig
 Genus Lorandersonia Urbatsch, R. P. Roberts & Neubig
                                                                                 Genus Lourteigia R.M. King & H.Rob. (1971)
 Genus Lourteigia R.M. King & H.Rob. (1971)
                                                                                 Genus Loxothysanus B.L. Robinson (1907)
 Genus Loxothysanus B.L. Robinson (1907)
                                                                                 Genus Luciliocline Anderb. & S.E.Freire
 Genus Luciliocline Anderb. & S.E.Freire
                                                                                 Genus Luina Bentham (1873)
 Genus Luina Bentham (1873)
                                                                                 Genus Lulia E.M. Zardini (1980)
 Genus Lulia E.M. Zardini (1980)
                                                                                 Genus Lundellianthus H.Rob. (1978)
 Genus Lundellianthus H.Rob. (1978)
                                                                                 Genus Lundinia B. Nord.
 Genus Lundinia B. Nord.
                                                                                 Genus Lycapsus Phil. (1870)
 Genus Lycapsus Phil. (1870)
                                                                                 Genus Lychnophoriopsis Sch.Bip.
 Genus Lychnophoriopsis Sch.Bip.
                                                                                 Genus Lycoseris Cassini (1824)
 Genus Lycoseris Cassini (1824)
                                                                                 Genus Lygodesmia D.Don (1829)
 Genus Lygodesmia D.Don (1829)
                                                                                 Genus Macowania Oliv. (1870)
 Genus Macowania Oliv. (1870)
                                                                                 Genus Macrachaenium Hook.f. (1846)
 Genus Macrachaenium Hook.f. (1846)
                                                                                 Genus Macraea Hook.f. (1847)
 Genus Macraea Hook.f. (1847)
                                                                                 Genus Macvaughiella R.M. King & H.Rob. (1968)
 Genus Macvaughiella R.M. King & H.Rob. (1968)
                                                                                 Genus Madagaster G. L. Nesom
 Genus Madagaster G. L. Nesom
                                                                                 Genus Malmeanthus R.M. King & H.Rob. (1980)
 Genus Malmeanthus R.M. King & H.Rob. (1980)
                                                                                 Genus Malperia S.Watson (1889)
 Genus Malperia S.Watson (1889)
                                                                                 Genus Mantisalca Cassini (1818)
 Genus Mantisalca Cassini (1818)
                                                                                 Genus Marasmodes DC. (1838)
 Genus Marasmodes DC. (1838)
                                                                                 Genus Marschallia
 Genus Marschallia
                                                                                 Genus Marshallia Schreber (1791)
 Genus Marshallia Schreber (1791)
                                                                                 Genus Marshalljohnstonia J. Henrickson (1976)
 Genus Marshalljohnstonia J. Henrickson (1976)
                                                                                 Genus Marticorenia J.V. Crisci (1974)
 Genus Marticorenia J.V. Crisci (1974)
                                                                                 Genus Mattfeldia Urban (1931)
 Genus Mattfeldia Urban (1931)
                                                                                 Genus Mauranthemum Vogt & Oberpr.
 Genus Mauranthemum Vogt & Oberpr.
                                                                                 Genus Mausolea P.P. Poljakov (1961)
 Genus Mausolea P.P. Poljakov (1961)
                                                                                 Genus Mecomischus Cosson ex Bentham & Hook.f. (1873)
 Genus Mecomischus Cosson ex Bentham & Hook.f. (1873)
                                                                                 Genus Medranoa Urbatsch & R. P. Roberts
 Genus Medranoa Urbatsch & R. P. Roberts
                                                                                 Genus Melanthera Rohr (1792)
 Genus Melanthera Rohr (1792)
                                                                                 Genus Merrittia Merr.
 Genus Merrittia Merr.
                                                                                 Genus Mesanthophora H. Rob.
 Genus Mesanthophora H. Rob.
                                                                                 Genus Mesogramma DC.
 Genus Mesogramma DC.
                                                                                 Genus Mesoneuris A.Gray
 Genus Mesoneuris A.Gray
                                                                                 Genus Mexerion G.L. Nesom (1990)
 Genus Mexerion G.L. Nesom (1990)
                                                                                 Genus Mexianthus B.L. Robinson (1928)
 Genus Mexianthus B.L. Robinson (1928)
                                                                                 Genus Micractis DC.
 Genus Micractis DC.
                                                                                 Genus Microbahia Cockerell
 Genus Microbahia Cockerell
                                                                                 Genus Microgyne Cass.
 Genus Microgyne Cass.
                                                                                 Genus Microlecane Sch.Bip. ex Benth. & Hook.fil.
 Genus Microlecane Sch.Bip. ex Benth. & Hook.fil.
                                                                                 Genus Microliabum Cabrera (1955)
 Genus Microliabum Cabrera (1955)
                                                                                 Genus Microlonchus Cass.
 Genus Microlonchus Cass.
                                                                                 Genus Micropsis DC. (1836)
 Genus Micropsis DC. (1836)
                                                                                 Genus Microspermum Lag. (1816)
 Genus Microspermum Lag. (1816)
                                                                                 Genus Mikaniopsis Milne-Redhead, in Exell (1956)
 Genus Mikaniopsis Milne-Redhead, in Exell (1956)
                                                                                 Genus Millotia Cassini (1829)
 Genus Millotia Cassini (1829)
                                                                                 Genus Minasia H. Rob.
 Genus Minasia H. Rob.
                                                                                 Genus Minuria DC. (1836)
 Genus Minuria DC. (1836)
                                                                                 Genus Miricacalia Kitamura (1936)
 Genus Miricacalia Kitamura (1936)
                                                                                 Genus Misbrookea Funk
 Genus Misbrookea Funk
                                                                                 Genus Miyamayomena Kitam.
 Genus Miyamayomena Kitam.
                                                                                 Genus Mniodes (A.Gray) Benth. & Hook. f.
 Genus Mniodes (A.Gray) Benth. & Hook. f.
                                                                                 Genus Monarrhenus Cassini (1817)
 Genus Monarrhenus Cassini (1817)
                                                                                 Genus Monencyanthes A.Gray
 Genus Monencyanthes A.Gray
                                                                                 Genus Monoculus B.Nord.
 Genus Monoculus B.Nord.
                                                                                 Genus Monolopia DC. (1838)
 Genus Monolopia DC. (1838)
                                                                                 Genus Monopholis S.F.Blake (1922)
 Genus Monopholis S.F.Blake (1922)
                                                                                 Genus Monoptilon J. Torrey & A.Gray (1844)
 Genus Monoptilon J. Torrey & A.Gray (1844)
                                                                                 Genus Montagnaea DC.
 Genus Montagnaea DC.
                                                                                 Genus Moonia Arnott (1836)
 Genus Moonia Arnott (1836)
                                                                                 Genus Moquinia DC. (1838), nom. cons.
 Genus Moquinia DC. (1838), nom. cons.
                                                                                 Genus Morithamnus R.M. King et al. (1979)
 Genus Morithamnus R.M. King et al. (1979)
                                                                                 Genus Moscharia Ruiz & Pav. (1794), nom. cons.
 Genus Moscharia Ruiz & Pav. (1794), nom. cons.
                                                                                 Genus Msuata O.Hoffm., in Engl. & Prantl (1894)
 Genus Msuata O.Hoffm., in Engl. & Prantl (1894)
                                                                                 Genus Mtonia Beentje
 Genus Mtonia Beentje
                                                                                 Genus Munzothamnus Raven (1963)
 Genus Munzothamnus Raven (1963)
                                                                                 Genus Muschleria S.M. Moore (1914)
 Genus Muschleria S.M. Moore (1914)
                                                                                 Genus Musilia Velen.
 Genus Musilia Velen.
                                                                                 Genus Myopordon Boissier (1846)
 Genus Myopordon Boissier (1846)
                                                                                 Genus Myriocephalus Bentham, in Endl. et al. (1837)
 Genus Myriocephalus Bentham, in Endl. et al. (1837)
                                                                                 Genus Myripnois Bunge (1833)
 Genus Myripnois Bunge (1833)
                                                                                 Genus Myxopappus M. Kallersjo (1988)
 Genus Myxopappus M. Kallersjo (1988)
                                                                                 Genus Nabalus Cassini (1825)
 Genus Nabalus Cassini (1825)
                                                                                 Genus Nablonium Cass.
 Genus Nablonium Cass.
                                                                                 Genus Nananthea DC. (1837)
 Genus Nananthea DC. (1837)
                                                                                 Genus Nannoglottis Maxim. (1881)
 Genus Nannoglottis Maxim. (1881)
                                                                                 Genus Nardophyllum (Hook. & Arnott) Hook. & Arnott, in Hook. (1836)
 Genus Nardophyllum (Hook. & Arnott) Hook. & Arnott, in Hook. (1836)
                                                                                 Genus Narvalina Cassini (1825)
 Genus Narvalina Cassini (1825)
                                                                                 Genus Neblinaea B. Maguire & J.J. Wurdack (1957)
 Genus Neblinaea B. Maguire & J.J. Wurdack (1957)
                                                                                 Genus Nemosenecio (S. Kitamura) B. Nordenstam (1978)
 Genus Nemosenecio (S. Kitamura) B. Nordenstam (1978)
                                                                                 Genus Neocabreria R.M. King & H.Rob. (1972)
 Genus Neocabreria R.M. King & H.Rob. (1972)
                                                                                 Genus Neocuatrecasia R.M. King & H.Rob. (1970)
 Genus Neocuatrecasia R.M. King & H.Rob. (1970)
                                                                                 Genus Neojeffreya A.L. Cabrera (1978)
 Genus Neojeffreya A.L. Cabrera (1978)
                                                                                 Genus Neonesomia Urbatsch & R.P.Roberts
 Genus Neonesomia Urbatsch & R.P.Roberts
                                                                                 Genus Neopallasia P. Poljakov (1955)
 Genus Neopallasia P. Poljakov (1955)
                                                                                 Genus Neotysonia K.W. Dalla Torre & H.A.Th. Harms (1905)
 Genus Neotysonia K.W. Dalla Torre & H.A.Th. Harms (1905)
                                                                                 Genus Nephrotheca B.Nord. & Källersjö
 Genus Nephrotheca B.Nord. & Källersjö
                                                                                 Genus Nesampelos B. Nord.
 Genus Nesampelos B. Nord.
                                                                                 Genus Nesomia B.L.Turner
 Genus Nesomia B.L.Turner
                                                                                 Genus Nestlera Spreng.
 Genus Nestlera Spreng.
                                                                                 Genus Nestotus R. P. Roberts, Urbatsch & Neubig
 Genus Nestotus R. P. Roberts, Urbatsch & Neubig
                                                                                 Genus Neurolaena R.Br. (1817)
 Genus Neurolaena R.Br. (1817)
                                                                                 Genus Neurolakis Mattfeld (1924)
 Genus Neurolakis Mattfeld (1924)
                                                                                 Genus Nicolletia A.Gray, in Frémont (1845)
 Genus Nicolletia A.Gray, in Frémont (1845)
                                                                                 Genus Nidorella Cassini (1825)
 Genus Nidorella Cassini (1825)
                                                                                 Genus Nikitinia M.M. Il'in (1960)
 Genus Nikitinia M.M. Il'in (1960)
                                                                                 Genus Nipponanthemum (S. Kitamura) S. Kitamura (1978)
 Genus Nipponanthemum (S. Kitamura) S. Kitamura (1978)
                                                                                 Genus Nivellea B. H. Wilcox, K. Bremer & Humphries
 Genus Nivellea B. H. Wilcox, K. Bremer & Humphries
                                                                                 Genus Nocca Cav.
 Genus Nocca Cav.
                                                                                 Genus Nordenstamia Lundin
 Genus Nordenstamia Lundin
                                                                                 Genus Norlindhia B.Nord.
 Genus Norlindhia B.Nord.
                                                                                 Genus Nothobaccharis R.M. King & H.Rob. (1979)
 Genus Nothobaccharis R.M. King & H.Rob. (1979)
                                                                                 Genus Nothocalais (A.Gray) Greene
 Genus Nothocalais (A.Gray) Greene
                                                                                 Genus Noticastrum DC. (1836)
 Genus Noticastrum DC. (1836)
                                                                                 Genus Notobasis (Cassini) Cassini (1825)
 Genus Notobasis (Cassini) Cassini (1825)
                                                                                 Genus Notonia DC. (1833)
 Genus Notonia DC. (1833)
                                                                                 Genus Notoptera Urban (1901)
 Genus Notoptera Urban (1901)
                                                                                 Genus Notoseris C. Shih (1987)
 Genus Notoseris C. Shih (1987)
                                                                                 Genus Nouelia Franchet (1888)
 Genus Nouelia Franchet (1888)
                                                                                 Genus Novaguinea D. J. N. Hind
 Genus Novaguinea D. J. N. Hind
                                                                                 Genus Novenia S.E. Freire (1986)
 Genus Novenia S.E. Freire (1986)
                                                                                 Genus Novopokrovskia Tzvelev
 Genus Novopokrovskia Tzvelev
                                                                                 Genus Oblivia J.L. Strother (1989)
 Genus Oblivia J.L. Strother (1989)
                                                                                 Genus Ochrocephala M. Dittrich (1983)
 Genus Ochrocephala M. Dittrich (1983)
                                                                                 Genus Oclemena Greene
 Genus Oclemena Greene
                                                                                 Genus Odixia A.E. Orchard (1982)
 Genus Odixia A.E. Orchard (1982)
                                                                                 Genus Odontocline B. Nordenstam (1978)
 Genus Odontocline B. Nordenstam (1978)
                                                                                 Genus Odontotrichum Zucc.
 Genus Odontotrichum Zucc.
                                                                                 Genus Oiospermum Lessing (1829)
 Genus Oiospermum Lessing (1829)
                                                                                 Genus Oldenburgia Lessing (1830)
 Genus Oldenburgia Lessing (1830)
                                                                                 Genus Oldfeltia B. Nord. & Lundin
 Genus Oldfeltia B. Nord. & Lundin
                                                                                 Genus Oliganthes Cassini (1817)
 Genus Oliganthes Cassini (1817)
                                                                                 Genus Oligoneuron Small
 Genus Oligoneuron Small
                                                                                 Genus Oligosporus Cass.
 Genus Oligosporus Cass.
                                                                                 Genus Oligothrix DC. (1838)
 Genus Oligothrix DC. (1838)
                                                                                 Genus Olivaea Schultz-Bip. ex Bentham (1872)
 Genus Olivaea Schultz-Bip. ex Bentham (1872)
                                                                                 Genus Omphalopappus O.Hoffm., in Engl. & Prantl (1890)
 Genus Omphalopappus O.Hoffm., in Engl. & Prantl (1890)
                                                                                 Genus Oncosiphon M. Kallersjo (1988)
 Genus Oncosiphon M. Kallersjo (1988)
                                                                                 Genus Ondetia Bentham (1872)
 Genus Ondetia Bentham (1872)
                                                                                 Genus Onobroma Gaertn.
 Genus Onobroma Gaertn.
                                                                                 Genus Oonopsis (Nutt.) E.L. Greene (1896)
 Genus Oonopsis (Nutt.) E.L. Greene (1896)
                                                                                 Genus Oparanthus Sherff (1937)
 Genus Oparanthus Sherff (1937)
                                                                                 Genus Opisthopappus C. Shih
 Genus Opisthopappus C. Shih
                                                                                 Genus Oreochrysum Rydberg (1906)
 Genus Oreochrysum Rydberg (1906)
                                                                                 Genus Oreoleysera K. Bremer (1978)
 Genus Oreoleysera K. Bremer (1978)
                                                                                 Genus Oreostemma Greene
 Genus Oreostemma Greene
                                                                                 Genus Oresbia Cron & B. Nord.
 Genus Oresbia Cron & B. Nord.
                                                                                 Genus Oriastrum Poepp. & Endl.
 Genus Oriastrum Poepp. & Endl.
                                                                                 Genus Oritrophium (Humb. et al.) J. Cuatrecasas (1961)
 Genus Oritrophium (Humb. et al.) J. Cuatrecasas (1961)
                                                                                 Genus Orochaenactis Coville (1893)
 Genus Orochaenactis Coville (1893)
                                                                                 Genus Orthopappus Gleason
 Genus Orthopappus Gleason
                                                                                 Genus Osbertia E.L. Greene (1895)
 Genus Osbertia E.L. Greene (1895)
                                                                                 Genus Osmadenia Nutt.
 Genus Osmadenia Nutt.
                                                                                 Genus Osmiopsis R.M. King & H.Rob. (1975)
 Genus Osmiopsis R.M. King & H.Rob. (1975)
                                                                                 Genus Otanthus Hoffmannsegg & Link (1809)
 Genus Otanthus Hoffmannsegg & Link (1809)
                                                                                 Genus Oteiza La Llave (1832)
 Genus Oteiza La Llave (1832)
                                                                                 Genus Otopappus Bentham, in Bentham & Hook.f. (1873)
 Genus Otopappus Bentham, in Bentham & Hook.f. (1873)
                                                                                 Genus Otospermum M. Willkomm (1864)
 Genus Otospermum M. Willkomm (1864)
                                                                                 Genus Oxycarpha S.F.Blake (1918)
 Genus Oxycarpha S.F.Blake (1918)
                                                                                 Genus Oxylaena Benth. ex Anderb.
 Genus Oxylaena Benth. ex Anderb.
                                                                                 Genus Oxylobus (Mociño ex DC.) A.Gray (1880)
 Genus Oxylobus (Mociño ex DC.) A.Gray (1880)
                                                                                 Genus Oxypappus Bentham (1845)
 Genus Oxypappus Bentham (1845)
                                                                                 Genus Oxyphyllum R. Philippi (1860)
 Genus Oxyphyllum R. Philippi (1860)
                                                                                 Genus Oxytenia Nutt.
 Genus Oxytenia Nutt.
                                                                                 Genus Oyedaea DC. (1836)
 Genus Oyedaea DC. (1836)
                                                                                 Genus Pachylaena D.Don ex Hook. & Arnott, in Hook. (1835)
 Genus Pachylaena D.Don ex Hook. & Arnott, in Hook. (1835)
                                                                                 Genus Pachystegia Cheeseman
 Genus Pachystegia Cheeseman
                                                                                 Genus Pacourina Aubl. (1775)
 Genus Pacourina Aubl. (1775)
                                                                                 Genus Paenula Orchard (2005)
 Genus Paenula Orchard (2005)
                                                                                 Genus Palafoxia Lag. (1816)
 Genus Palafoxia Lag. (1816)
                                                                                 Genus Paleaepappus Cabrera (1969)
 Genus Paleaepappus Cabrera (1969)
                                                                                 Genus Pallenis (Cass.) Cass.
 Genus Pallenis (Cass.) Cass.
                                                                                 Genus Pamphalea DC.
 Genus Pamphalea DC.
                                                                                 Genus Paneroa E. E. Schill.
 Genus Paneroa E. E. Schill.
                                                                                 Genus Panphalea Lag. (1811)
 Genus Panphalea Lag. (1811)
                                                                                 Genus Papuacalia Veldkamp
 Genus Papuacalia Veldkamp
                                                                                 Genus Paquerina Cass.
 Genus Paquerina Cass.
                                                                                 Genus Paracalia Cuatrecasas (1960)
 Genus Paracalia Cuatrecasas (1960)
                                                                                 Genus Parafaujasia C. Jeffrey
 Genus Parafaujasia C. Jeffrey
                                                                                 Genus Paraixeris Nakai (1920)
 Genus Paraixeris Nakai (1920)
                                                                                 Genus Paralychnophora Mac Leish
 Genus Paralychnophora Mac Leish
                                                                                 Genus Paramicrorhynchus Kirp.
 Genus Paramicrorhynchus Kirp.
                                                                                 Genus Paramiflos Cuatrec.
 Genus Paramiflos Cuatrec.
                                                                                 Genus Paranephelius Poeppig, in Poeppig & Endl. (1843)
 Genus Paranephelius Poeppig, in Poeppig & Endl. (1843)
                                                                                 Genus Parantennaria Beauverd (1911)
 Genus Parantennaria Beauverd (1911)
                                                                                 Genus Parapolydora H. Rob.
 Genus Parapolydora H. Rob.
                                                                                 Genus Paraprenanthes Chang ex C. Shih (1988)
 Genus Paraprenanthes Chang ex C. Shih (1988)
                                                                                 Genus Parastrephia Nutt. (1841)
 Genus Parastrephia Nutt. (1841)
                                                                                 Genus Parthenice A.Gray (1853)
 Genus Parthenice A.Gray (1853)
                                                                                 Genus Pascalia Ortega
 Genus Pascalia Ortega
                                                                                 Genus Paurolepis S.Moore
 Genus Paurolepis S.Moore
                                                                                 Genus Pechuel-loeschea O.Hoffm. (1888)
 Genus Pechuel-loeschea O.Hoffm. (1888)
                                                                                 Genus Peltidium Zollikofer (1820)
 Genus Peltidium Zollikofer (1820)
                                                                                 Genus Pelucha S.Watson (1889)
 Genus Pelucha S.Watson (1889)
                                                                                 Genus Pembertonia P.S.Short
 Genus Pembertonia P.S.Short
                                                                                 Genus Pentachaeta Nutt. (1840)
 Genus Pentachaeta Nutt. (1840)
                                                                                 Genus Pentalepis F.Muell.
 Genus Pentalepis F.Muell.
                                                                                 Genus Pentanema Cassini (1818)
 Genus Pentanema Cassini (1818)
                                                                                 Genus Pentatrichia Klatt (1895)
 Genus Pentatrichia Klatt (1895)
                                                                                 Genus Perdicium L. (1760)
 Genus Perdicium L. (1760)
                                                                                 Genus Pericallis D.Don, in R. Sweet (1833)
 Genus Pericallis D.Don, in R. Sweet (1833)
                                                                                 Genus Pericome A.Gray (1853)
 Genus Pericome A.Gray (1853)
                                                                                 Genus Peripleura (N. T. Burb.) G. L. Nesom
 Genus Peripleura (N. T. Burb.) G. L. Nesom
                                                                                 Genus Perplexia Iljin, in V.L. Komarov (1962)
 Genus Perplexia Iljin, in V.L. Komarov (1962)
                                                                                 Genus Perralderia Cosson (1859)
 Genus Perralderia Cosson (1859)
                                                                                 Genus Perymeniopsis H.Rob. (1978)
 Genus Perymeniopsis H.Rob. (1978)
                                                                                 Genus Petalacte D.Don (1826)
 Genus Petalacte D.Don (1826)
                                                                                 Genus Peteravenia R.M. King & H.Rob. (1971)
 Genus Peteravenia R.M. King & H.Rob. (1971)
                                                                                 Genus Petradoria E.L. Greene (1895)
 Genus Petradoria E.L. Greene (1895)
                                                                                 Genus Petrobium R.Br. (1817)
 Genus Petrobium R.Br. (1817)
                                                                                 Genus Peucephyllum A.Gray, in J. Torrey (1859)
 Genus Peucephyllum A.Gray, in J. Torrey (1859)
                                                                                 Genus Phacellothrix F.Muell. (1878)
 Genus Phacellothrix F.Muell. (1878)
                                                                                 Genus Phaecasium Cass.
 Genus Phaecasium Cass.
                                                                                 Genus Phaenocoma D.Don (1826)
 Genus Phaenocoma D.Don (1826)
                                                                                 Genus Phaeopappus Boiss.
 Genus Phaeopappus Boiss.
                                                                                 Genus Phalacrachena Iljin (1937)
 Genus Phalacrachena Iljin (1937)
                                                                                 Genus Phalacraea DC. (1836)
 Genus Phalacraea DC. (1836)
                                                                                 Genus Phalacrocarpum (DC.) Willkomm (1864)
 Genus Phalacrocarpum (DC.) Willkomm (1864)
                                                                                 Genus Phalacroseris A.Gray (1868)
 Genus Phalacroseris A.Gray (1868)
                                                                                 Genus Phaneroglossa B. Nordenstam (1978)
 Genus Phaneroglossa B. Nordenstam (1978)
                                                                                 Genus Phania DC. (1836)
 Genus Phania DC. (1836)
                                                                                 Genus Philactis Schrad. (1833)
 Genus Philactis Schrad. (1833)
                                                                                 Genus Philoglossa DC. (1836)
 Genus Philoglossa DC. (1836)
                                                                                 Genus Philyrophyllum O.Hoffm., in Engl. & Prantl (1890)
 Genus Philyrophyllum O.Hoffm., in Engl. & Prantl (1890)
                                                                                 Genus Phitosia Kamari & Greuter
 Genus Phitosia Kamari & Greuter
                                                                                 Genus Phoebanthus S.F.Blake (1916)
 Genus Phoebanthus S.F.Blake (1916)
                                                                                 Genus Phyllocephalum Blume (1826)
 Genus Phyllocephalum Blume (1826)
                                                                                 Genus Phymaspermum Lessing (1832)
 Genus Phymaspermum Lessing (1832)
                                                                                 Genus Picradeniopsis Rydb. ex Britton
 Genus Picradeniopsis Rydb. ex Britton
                                                                                 Genus Picrosia D.Don (1830)
 Genus Picrosia D.Don (1830)
                                                                                 Genus Picrothamnus Nutt. (1841)
 Genus Picrothamnus Nutt. (1841)
                                                                                 Genus Pilostemon Iljin (1961)
 Genus Pilostemon Iljin (1961)
                                                                                 Genus Pinaropappus Lessing (1832)
 Genus Pinaropappus Lessing (1832)
                                                                                 Genus Pinillosia Ossa ex DC. (1836)
 Genus Pinillosia Ossa ex DC. (1836)
                                                                                 Genus Piora J.T. Koster (1966)
 Genus Piora J.T. Koster (1966)
                                                                                 Genus Pippenalia R. McVaugh (1972)
 Genus Pippenalia R. McVaugh (1972)
                                                                                 Genus Piptocoma Cassini (1817)
 Genus Piptocoma Cassini (1817)
                                                                                 Genus Piptolepis C.H. Schultz-Bip. (1863), nom. cons.
 Genus Piptolepis C.H. Schultz-Bip. (1863), nom. cons.
                                                                                 Genus Pithocarpa Lindl. (1839)
 Genus Pithocarpa Lindl. (1839)
                                                                                 Genus Pittocaulon H.Rob. & R.D. Brettell (1973)
 Genus Pittocaulon H.Rob. & R.D. Brettell (1973)
                                                                                 Genus Plagiobasis A.G. Schrenk (1845)
 Genus Plagiobasis A.G. Schrenk (1845)
                                                                                 Genus Plagiocheilus Arnott ex DC. (1838)
 Genus Plagiocheilus Arnott ex DC. (1838)
                                                                                 Genus Plagiolophus Greenman (1904)
 Genus Plagiolophus Greenman (1904)
                                                                                 Genus Plagius L'Hér. ex DC. (1838)
 Genus Plagius L'Hér. ex DC. (1838)
                                                                                 Genus Planaltoa Taubert (1895)
 Genus Planaltoa Taubert (1895)
                                                                                 Genus Planea P.O. Karis (1990)
 Genus Planea P.O. Karis (1990)
                                                                                 Genus Plateilema (A.Gray) Cockerell (1904)
 Genus Plateilema (A.Gray) Cockerell (1904)
                                                                                 Genus Platycarpha Lessing (1831)
 Genus Platycarpha Lessing (1831)
                                                                                 Genus Platypodanthera R.M. King & H.Rob. (1972)
 Genus Platypodanthera R.M. King & H.Rob. (1972)
                                                                                 Genus Platyschkuhria Rydberg (1906)
 Genus Platyschkuhria Rydberg (1906)
                                                                                 Genus Plazia Ruiz & Pav. (1794)
 Genus Plazia Ruiz & Pav. (1794)
                                                                                 Genus Plecostachys O.M. Hilliard & B.L.Burtt (1981)
 Genus Plecostachys O.M. Hilliard & B.L.Burtt (1981)
                                                                                 Genus Plectocephalus D.Don, in R. Sweet (1830)
 Genus Plectocephalus D.Don, in R. Sweet (1830)
                                                                                 Genus Pleiacanthus (Nutt.) Rydb.
 Genus Pleiacanthus (Nutt.) Rydb.
                                                                                 Genus Pleiotaxis Steetz, in W.C.H. Peters (1864)
 Genus Pleiotaxis Steetz, in W.C.H. Peters (1864)
                                                                                 Genus Pleocarphus D.Don
 Genus Pleocarphus D.Don
                                                                                 Genus Pleurocarpaea Bentham (1867)
 Genus Pleurocarpaea Bentham (1867)
                                                                                 Genus Pleurocoronis R.M. King & H.Rob. (1966)
 Genus Pleurocoronis R.M. King & H.Rob. (1966)
                                                                                 Genus Pleuropappus F.Muell. (1855)
 Genus Pleuropappus F.Muell. (1855)
                                                                                 Genus Pleurophyllum Hook.f. (1844)
 Genus Pleurophyllum Hook.f. (1844)
                                                                                 Genus Podachaenium Bentham ex Oersted (1852)
 Genus Podachaenium Bentham ex Oersted (1852)
                                                                                 Genus Podanthus Lag. (1816), nom. cons.
 Genus Podanthus Lag. (1816), nom. cons.
                                                                                 Genus Podospermum DC.
 Genus Podospermum DC.
                                                                                 Genus Podotheca Cassini (1822), nom. cons.
 Genus Podotheca Cassini (1822), nom. cons.
                                                                                 Genus Poecilolepis J. Grau (1977)
 Genus Poecilolepis J. Grau (1977)
                                                                                 Genus Pogonolepis Steetz, in Lehm. (1845)
 Genus Pogonolepis Steetz, in Lehm. (1845)
                                                                                 Genus Pojarkovia R.K. Askerova (1984)
 Genus Pojarkovia R.K. Askerova (1984)
                                                                                 Genus Pollalesta Kunth, in Humb. et al. (1818)
 Genus Pollalesta Kunth, in Humb. et al. (1818)
                                                                                 Genus Polyachyrus Lag. (1811)
 Genus Polyachyrus Lag. (1811)
                                                                                 Genus Polyanthina R.M. King & H.Rob. (1970)
 Genus Polyanthina R.M. King & H.Rob. (1970)
                                                                                 Genus Polyarrhena Cassini (1828)
 Genus Polyarrhena Cassini (1828)
                                                                                 Genus Polycalymma F.Muell. & Sond.
 Genus Polycalymma F.Muell. & Sond.
                                                                                 Genus Polychrysum (Tzvelev) Kovalevsk.
 Genus Polychrysum (Tzvelev) Kovalevsk.
                                                                                 Genus Polytaxis Cushman & Waters (1928)
 Genus Polytaxis Cushman & Waters (1928)
                                                                                 Genus Porphyrostemma Bentham ex Oliv. (1873)
 Genus Porphyrostemma Bentham ex Oliv. (1873)
                                                                                 Genus Praxelis Cassini (1826)
 Genus Praxelis Cassini (1826)
                                                                                 Genus Prenanthella Rydberg (1906)
 Genus Prenanthella Rydberg (1906)
                                                                                 Genus Prestelia Sch. Bip.
 Genus Prestelia Sch. Bip.
                                                                                 Genus Printzia Cassini (1825), nom. cons.
 Genus Printzia Cassini (1825), nom. cons.
                                                                                 Genus Prolobus R. M. King & H. Rob.
 Genus Prolobus R. M. King & H. Rob.
                                                                                 Genus Prolongoa Boissier (1839)
 Genus Prolongoa Boissier (1839)
                                                                                 Genus Proteopsis Mart. & Zucc. ex C.H. Schultz-Bip. (1863)
 Genus Proteopsis Mart. & Zucc. ex C.H. Schultz-Bip. (1863)
                                                                                 Genus Proustia Lag. (1811)
 Genus Proustia Lag. (1811)
                                                                                 Genus Psacaliopsis H.Rob. & R.D. Brettell (1974)
 Genus Psacaliopsis H.Rob. & R.D. Brettell (1974)
                                                                                 Genus Psathyrotes A.Gray (1853)
 Genus Psathyrotes A.Gray (1853)
                                                                                 Genus Psathyrotopsis Rydb.
 Genus Psathyrotopsis Rydb.
                                                                                 Genus Psednotrichia Hiern (1898)
 Genus Psednotrichia Hiern (1898)
                                                                                 Genus Psephellus Cass.
 Genus Psephellus Cass.
                                                                                 Genus Pseudelephantopus Rohr
 Genus Pseudelephantopus Rohr
                                                                                 Genus Pseudobaccharis A.L. Cabrera (1944)
 Genus Pseudobaccharis A.L. Cabrera (1944)
                                                                                 Genus Pseudobahia Rydberg (1915)
 Genus Pseudobahia Rydberg (1915)
                                                                                 Genus Pseudoblepharispermum J.-P. Lebrun & A.L. Stork, in J.-P. Lebrun et al. (1982)
 Genus Pseudoblepharispermum J.-P. Lebrun & A.L. Stork, in J.-P. Lebrun et al. (1982)
                                                                                 Genus Pseudobrickellia R.M. King & H.Rob. (1972)
 Genus Pseudobrickellia R.M. King & H.Rob. (1972)
                                                                                 Genus Pseudoclappia Rydberg (1923)
 Genus Pseudoclappia Rydberg (1923)
                                                                                 Genus Pseudoglossanthis P. Poljakov
 Genus Pseudoglossanthis P. Poljakov
                                                                                 Genus Pseudogynoxys (Greenmann) Cabrera (1950)
 Genus Pseudogynoxys (Greenmann) Cabrera (1950)
                                                                                 Genus Pseudohandelia Tzvelev, in V.L. Komarov (1961)
 Genus Pseudohandelia Tzvelev, in V.L. Komarov (1961)
                                                                                 Genus Pseudoligandra Dillon & Sag. (1990)
 Genus Pseudoligandra Dillon & Sag. (1990)
                                                                                 Genus Pseudolinosyris Novopokr.
 Genus Pseudolinosyris Novopokr.
                                                                                 Genus Pseudonoseris H.Rob. & R.D. Brettell (1974)
 Genus Pseudonoseris H.Rob. & R.D. Brettell (1974)
                                                                                 Genus Pseudopiptocarpha H. Rob.
 Genus Pseudopiptocarpha H. Rob.
                                                                                 Genus Pseudoyoungia D.Maity & Maiti
 Genus Pseudoyoungia D.Maity & Maiti
                                                                                 Genus Psila Phil.
 Genus Psila Phil.
                                                                                 Genus Psilocarphus Nutt. (1841)
 Genus Psilocarphus Nutt. (1841)
                                                                                 Genus Psilostrophe DC. (1838)
 Genus Psilostrophe DC. (1838)
                                                                                 Genus Pterigeron (DC.) A.Gray
 Genus Pterigeron (DC.) A.Gray
                                                                                 Genus Pterochaeta Steetz
 Genus Pterochaeta Steetz
                                                                                 Genus Pterocypsela C. Shih (1988)
 Genus Pterocypsela C. Shih (1988)
                                                                                 Genus Pterotheca Cass.
 Genus Pterotheca Cass.
                                                                                 Genus Pterygopappus Hook.f. (1874)
 Genus Pterygopappus Hook.f. (1874)
                                                                                 Genus Punduana Steetz
 Genus Punduana Steetz
                                                                                 Genus Pycnosorus Benth.
 Genus Pycnosorus Benth.
                                                                                 Genus Pyrethropsis
 Genus Pyrethropsis
                                                                                 Genus Pyrrhopappus DC. (1838), nom. cons.
 Genus Pyrrhopappus DC. (1838), nom. cons.
                                                                                 Genus Pyrrocoma Hook. (1833)
 Genus Pyrrocoma Hook. (1833)
                                                                                 Genus Quechualia H. Rob.
 Genus Quechualia H. Rob.
                                                                                 Genus Quelchia N.E.Br. (1901)
 Genus Quelchia N.E.Br. (1901)
                                                                                 Genus Quinetia Cassini (1830)
 Genus Quinetia Cassini (1830)
                                                                                 Genus Quinqueremulus Paul G. Wilson
 Genus Quinqueremulus Paul G. Wilson
                                                                                 Genus Rachelia J. M. Ward & Breitw.
 Genus Rachelia J. M. Ward & Breitw.
                                                                                 Genus Rafinesquia Nutt. (1841), nom. cons.
 Genus Rafinesquia Nutt. (1841), nom. cons.
                                                                                 Genus Rainiera E.L. Greene (1898)
 Genus Rainiera E.L. Greene (1898)
                                                                                 Genus Raouliopsis S.F.Blake (1938)
 Genus Raouliopsis S.F.Blake (1938)
                                                                                 Genus Rastrophyllum H. Wild & G.V. Pope (1977)
 Genus Rastrophyllum H. Wild & G.V. Pope (1977)
                                                                                 Genus Ratibida Rafinesque (1817)
 Genus Ratibida Rafinesque (1817)
                                                                                 Genus Raulinoreitzia R.M. King & H.Rob. (1971)
 Genus Raulinoreitzia R.M. King & H.Rob. (1971)
                                                                                 Genus Rayjacksonia R. L. Hartm. & M. A. Lane
 Genus Rayjacksonia R. L. Hartm. & M. A. Lane
                                                                                 Genus Remya W. Hillebrand ex Bentham, in Bentham & Hook.f. (1873)
 Genus Remya W. Hillebrand ex Bentham, in Bentham & Hook.f. (1873)
                                                                                 Genus Rennera Merxmueller (1957)
 Genus Rennera Merxmueller (1957)
                                                                                 Genus Rensonia S.F.Blake (1923)
 Genus Rensonia S.F.Blake (1923)
                                                                                 Genus Rhabdotheca Cass.
 Genus Rhabdotheca Cass.
                                                                                 Genus Rhamphogyne S.M. Moore (1914)
 Genus Rhamphogyne S.M. Moore (1914)
                                                                                 Genus Rhanteriopsis S. Rauschert (1982)
 Genus Rhanteriopsis S. Rauschert (1982)
                                                                                 Genus Rhanterium Desf. (1799)
 Genus Rhanterium Desf. (1799)
                                                                                 Genus Rhetinocarpha Paul G. Wilson & M. A. Wilson
 Genus Rhetinocarpha Paul G. Wilson & M. A. Wilson
                                                                                 Genus Rhetinodendron Meisn.
 Genus Rhetinodendron Meisn.
                                                                                 Genus Rhetinolepis Coss.
 Genus Rhetinolepis Coss.
                                                                                 Genus Rhinactina Less.
 Genus Rhinactina Less.
                                                                                 Genus Rhinactinidia Novopokr.
 Genus Rhinactinidia Novopokr.
                                                                                 Genus Rhodanthemum B. H. Wilcox, K. Bremer & Humphries
 Genus Rhodanthemum B. H. Wilcox, K. Bremer & Humphries
                                                                                 Genus Rhodogeron Grisebach (1866)
 Genus Rhodogeron Grisebach (1866)
                                                                                 Genus Rhynchopsidium DC.
 Genus Rhynchopsidium DC.
                                                                                 Genus Rhynchospermum Reinw. (1825)
 Genus Rhynchospermum Reinw. (1825)
                                                                                 Genus Rhysolepis S.F.Blake (1917)
 Genus Rhysolepis S.F.Blake (1917)
                                                                                 Genus Richterago Kuntze
 Genus Richterago Kuntze
                                                                                 Genus Richteria Karelin & Kirilov (1842)
 Genus Richteria Karelin & Kirilov (1842)
                                                                                 Genus Ridan Adans.
 Genus Ridan Adans.
                                                                                 Genus Riencourtia Cassini (1818)
 Genus Riencourtia Cassini (1818)
                                                                                 Genus Rigiopappus A.Gray (1865)
 Genus Rigiopappus A.Gray (1865)
                                                                                 Genus Robinsonecio T. M. Barkley & Janovec
 Genus Robinsonecio T. M. Barkley & Janovec
                                                                                 Genus Rochonia DC. (1836)
 Genus Rochonia DC. (1836)
                                                                                 Genus Rohria Vahl (1791), nom. illeg.
 Genus Rohria Vahl (1791), nom. illeg.
                                                                                 Genus Rojasianthe Standl. & Steyermark (1940)
 Genus Rojasianthe Standl. & Steyermark (1940)
                                                                                 Genus Roodebergia B. Nord.
 Genus Roodebergia B. Nord.
                                                                                 Genus Rosenia Thunb. (1800)
 Genus Rosenia Thunb. (1800)
                                                                                 Genus Rothmaleria Font Quer, in Font Quer & Rothmaler (1940)
 Genus Rothmaleria Font Quer, in Font Quer & Rothmaler (1940)
                                                                                 Genus Rugelia Shuttlew. ex Chapman (1860)
 Genus Rugelia Shuttlew. ex Chapman (1860)
                                                                                 Genus Ruilopezia J. Cuatrecasas (1976)
 Genus Ruilopezia J. Cuatrecasas (1976)
                                                                                 Genus Rumfordia DC. (1836)
 Genus Rumfordia DC. (1836)
                                                                                 Genus Russowia C. Winkler (1890)
 Genus Russowia C. Winkler (1890)
                                                                                 Genus Rutidosis DC. (1838)
 Genus Rutidosis DC. (1838)
                                                                                 Genus Sabazia Cassini (1827)
 Genus Sabazia Cassini (1827)
                                                                                 Genus Salcedoa Jiménez Rodr. & Katinas
 Genus Salcedoa Jiménez Rodr. & Katinas
                                                                                 Genus Salmea DC. (1813), nom. cons.
 Genus Salmea DC. (1813), nom. cons.
                                                                                 Genus Salmeopsis Bentham, in Bentham & Hook.f. (1873)
 Genus Salmeopsis Bentham, in Bentham & Hook.f. (1873)
                                                                                 Genus Santosia R.M. King & H.Rob. (1980)
 Genus Santosia R.M. King & H.Rob. (1980)
                                                                                 Genus Sartorina R.M. King & H.Rob. (1974)
 Genus Sartorina R.M. King & H.Rob. (1974)
                                                                                 Genus Sartwellia A.Gray (1852)
 Genus Sartwellia A.Gray (1852)
                                                                                 Genus Scabrethia W. A. Weber
 Genus Scabrethia W. A. Weber
                                                                                 Genus Schischkinia Iljin (1935)
 Genus Schischkinia Iljin (1935)
                                                                                 Genus Schistocarpha Lessing (1831)
 Genus Schistocarpha Lessing (1831)
                                                                                 Genus Schistostephium Lessing (1832)
 Genus Schistostephium Lessing (1832)
                                                                                 Genus Schizogyne Cassini (1828)
 Genus Schizogyne Cassini (1828)
                                                                                 Genus Schizotrichia Bentham, in Bentham & Hook.f. (1873)
 Genus Schizotrichia Bentham, in Bentham & Hook.f. (1873)
                                                                                 Genus Schkuhria Roth (1797), nom. cons.
 Genus Schkuhria Roth (1797), nom. cons.
                                                                                 Genus Schlagintweitia Griseb.
 Genus Schlagintweitia Griseb.
                                                                                 Genus Schlechtendalia Lessing (1830), nom. cons.
 Genus Schlechtendalia Lessing (1830), nom. cons.
                                                                                 Genus Schmalhausenia C. Winkler (1892)
 Genus Schmalhausenia C. Winkler (1892)
                                                                                 Genus Schoenia Steetz, in Lehm. (1845)
 Genus Schoenia Steetz, in Lehm. (1845)
                                                                                 Genus Schumeria Iljin (1960)
 Genus Schumeria Iljin (1960)
                                                                                 Genus Sciadocephala Mattfeld (1938)
 Genus Sciadocephala Mattfeld (1938)
                                                                                 Genus Sclerocarpus Jacq. (1780)
 Genus Sclerocarpus Jacq. (1780)
                                                                                 Genus Sclerolepis Cassini (1816)
 Genus Sclerolepis Cassini (1816)
                                                                                 Genus Scorzoneroides Moench
 Genus Scorzoneroides Moench
                                                                                 Genus Scrobicaria Cassini (1827)
 Genus Scrobicaria Cassini (1827)
                                                                                 Genus Selleophytum Urban (1915)
 Genus Selleophytum Urban (1915)
                                                                                 Genus Selloa Kunth (1818), nom. cons.
 Genus Selloa Kunth (1818), nom. cons.
                                                                                 Genus Senecillis Gaertn.
 Genus Senecillis Gaertn.
                                                                                 Genus Sericocarpus Nees (1832)
 Genus Sericocarpus Nees (1832)
                                                                                 Genus Seriphidium (Besser ex Hook.) J.-P. Fourreau (1869)
 Genus Seriphidium (Besser ex Hook.) J.-P. Fourreau (1869)
                                                                                 Genus Seriphium L. (1753)
 Genus Seriphium L. (1753)
                                                                                 Genus Shafera Greenman (1912)
 Genus Shafera Greenman (1912)
                                                                                 Genus Sheareria S.Moore (1875)
 Genus Sheareria S.Moore (1875)
                                                                                 Genus Siapaea Pruski
 Genus Siapaea Pruski
                                                                                 Genus Siebera J. Gay (1827), nom. cons.
 Genus Siebera J. Gay (1827), nom. cons.
                                                                                 Genus Siegesbeckia
 Genus Siegesbeckia
                                                                                 Genus Siemssenia Steetz
 Genus Siemssenia Steetz
                                                                                 Genus Siloxerus Labill. (1806)
 Genus Siloxerus Labill. (1806)
                                                                                 Genus Sinacalia H.Rob. & R.D. Brettell (1973)
 Genus Sinacalia H.Rob. & R.D. Brettell (1973)
                                                                                 Genus Sipolisia Glaziou ex Oliv. (1894)
 Genus Sipolisia Glaziou ex Oliv. (1894)
                                                                                 Genus Smallanthus Mackenzie, in J.K. Small (1933)
 Genus Smallanthus Mackenzie, in J.K. Small (1933)
                                                                                 Genus Soaresia C.H. Schultz-Bip. (1863), nom. cons.
 Genus Soaresia C.H. Schultz-Bip. (1863), nom. cons.
                                                                                 Genus Solanecio C.H. Schultz-Bip. ex W.G. Walpers (1846)
 Genus Solanecio C.H. Schultz-Bip. ex W.G. Walpers (1846)
                                                                                 Genus Solenogyne Cassini (1828)
 Genus Solenogyne Cassini (1828)
                                                                                 Nothogenus ×Solidaster
 Nothogenus ×Solidaster
                                                                                 Genus Sommerfeltia Lessing (1832), nom. cons.
 Genus Sommerfeltia Lessing (1832), nom. cons.
                                                                                 Genus Sondottia P. S. Short
 Genus Sondottia P. S. Short
                                                                                 Genus Spaniopappus B.L. Robinson (1926)
 Genus Spaniopappus B.L. Robinson (1926)
                                                                                 Genus Spathipappus Tzvelev
 Genus Spathipappus Tzvelev
                                                                                 Genus Sphaereupatorium (O.Hoffm.) Kuntze ex B.L. Robinson (1920)
 Genus Sphaereupatorium (O.Hoffm.) Kuntze ex B.L. Robinson (1920)
                                                                                 Genus Sphaeromeria Nutt. (1841)
 Genus Sphaeromeria Nutt. (1841)
                                                                                 Genus Sphaeromorphaea DC. (1838)
 Genus Sphaeromorphaea DC. (1838)
                                                                                 Genus Sphagneticola O.Hoffm. (1900)
 Genus Sphagneticola O.Hoffm. (1900)
                                                                                 Genus Spilanthes Jacq. (1760)
 Genus Spilanthes Jacq. (1760)
                                                                                 Genus Spiracantha Kunth, in Humb. et al. (1818)
 Genus Spiracantha Kunth, in Humb. et al. (1818)
                                                                                 Genus Squamopappus R.K. Jansen, N.A. Harriman & L.E. Urbatsch (1982)
 Genus Squamopappus R.K. Jansen, N.A. Harriman & L.E. Urbatsch (1982)
                                                                                 Genus Stachycephalum K.H. Schultz ex Bentham (1872)
 Genus Stachycephalum K.H. Schultz ex Bentham (1872)
                                                                                 Genus Standleyanthus R.M. King & H.Rob. (1971)
 Genus Standleyanthus R.M. King & H.Rob. (1971)
                                                                                 Genus Staurochlamys Baker (1889)
 Genus Staurochlamys Baker (1889)
                                                                                 Genus Stebbinsia Lipsch.
 Genus Stebbinsia Lipsch.
                                                                                 Genus Steiractinia S.F.Blake (1915)
 Genus Steiractinia S.F.Blake (1915)
                                                                                 Genus Steirodiscus Lessing (1832)
 Genus Steirodiscus Lessing (1832)
                                                                                 Genus Stemmacantha Cass.
 Genus Stemmacantha Cass.
                                                                                 Genus Stemmatella Wedd. ex Benth.
 Genus Stemmatella Wedd. ex Benth.
                                                                                 Genus Stenocarpha S.F.Blake (1915)
 Genus Stenocarpha S.F.Blake (1915)
                                                                                 Genus Stenocephalum Sch. Bip.
 Genus Stenocephalum Sch. Bip.
                                                                                 Genus Stenocline DC. (1838)
 Genus Stenocline DC. (1838)
                                                                                 Genus Stenophalium Anderb.
 Genus Stenophalium Anderb.
                                                                                 Genus Stenops B. Nordenstam (1978)
 Genus Stenops B. Nordenstam (1978)
                                                                                 Genus Stenoseris C.Shih
 Genus Stenoseris C.Shih
                                                                                 Genus Stenotus Nutt. (1841)
 Genus Stenotus Nutt. (1841)
                                                                                 Genus Stephanochilus Coss. & Durieu ex Benth. & Hook.fil.
 Genus Stephanochilus Coss. & Durieu ex Benth. & Hook.fil.
                                                                                 Genus Stephanodoria E.L. Greene (1895)
 Genus Stephanodoria E.L. Greene (1895)
                                                                                 Genus Steviopsis R.M. King & H.Rob. (1971)
 Genus Steviopsis R.M. King & H.Rob. (1971)
                                                                                 Genus Steyermarkina R.M. King & H.Rob. (1971)
 Genus Steyermarkina R.M. King & H.Rob. (1971)
                                                                                 Genus Stilpnogyne DC. (1838)
 Genus Stilpnogyne DC. (1838)
                                                                                 Genus Stilpnolepis Krascheninnikov (1946)
 Genus Stilpnolepis Krascheninnikov (1946)
                                                                                 Genus Stilpnopappus Mart. ex DC. (1836)
 Genus Stilpnopappus Mart. ex DC. (1836)
                                                                                 Genus Stobaea Thunb.
 Genus Stobaea Thunb.
                                                                                 Genus Stomatanthes R.M. King & H.Rob. (1970)
 Genus Stomatanthes R.M. King & H.Rob. (1970)
                                                                                 Genus Stomatochaeta (S.F.Blake) Maguire & Wurdack (1957)
 Genus Stomatochaeta (S.F.Blake) Maguire & Wurdack (1957)
                                                                                 Genus Strotheria B.L. Turner (1972)
 Genus Strotheria B.L. Turner (1972)
                                                                                 Genus Struchium P.Browne (1756)
 Genus Struchium P.Browne (1756)
                                                                                 Genus Stuartina Sonder (1853)
 Genus Stuartina Sonder (1853)
                                                                                 Genus Stuckertiella Beauverd (1913)
 Genus Stuckertiella Beauverd (1913)
                                                                                 Genus Stuessya B.L. Turner & F. Davies (1980)
 Genus Stuessya B.L. Turner & F. Davies (1980)
                                                                                 Genus Stylocline Nutt. (1840)
 Genus Stylocline Nutt. (1840)
                                                                                 Genus Stylotrichium Mattfeld, in Pilger (1923)
 Genus Stylotrichium Mattfeld, in Pilger (1923)
                                                                                 Genus Symphyllocarpus Maxim. (1859)
 Genus Symphyllocarpus Maxim. (1859)
                                                                                 Genus Syncalathium Lipschitz (1956)
 Genus Syncalathium Lipschitz (1956)
                                                                                 Genus Syncarpha DC. (1810)
 Genus Syncarpha DC. (1810)
                                                                                 Genus Syncephalum DC. (1838)
 Genus Syncephalum DC. (1838)
                                                                                 Genus Syncretocarpus S.F.Blake (1916)
 Genus Syncretocarpus S.F.Blake (1916)
                                                                                 Genus Synedrella Gaertn. (1791), nom. cons.
 Genus Synedrella Gaertn. (1791), nom. cons.
                                                                                 Genus Synedrellopsis Hieronymus & Kuntze ex Kuntze (1898)
 Genus Synedrellopsis Hieronymus & Kuntze ex Kuntze (1898)
                                                                                 Genus Syneilesis Maxim. (1859)
 Genus Syneilesis Maxim. (1859)
                                                                                 Genus Syntrichopappus A.Gray (1857)
 Genus Syntrichopappus A.Gray (1857)
                                                                                 Genus Synurus Iljin (1926)
 Genus Synurus Iljin (1926)
                                                                                 Genus Syreitschikovia Pavlov (1933)
 Genus Syreitschikovia Pavlov (1933)
                                                                                 Genus Takhtajaniantha Nazarova
 Genus Takhtajaniantha Nazarova
                                                                                 Genus Talamancalia H. Rob. & Cuatrec.
 Genus Talamancalia H. Rob. & Cuatrec.
                                                                                 Genus Tamaulipa R.M. King & H.Rob. (1971)
 Genus Tamaulipa R.M. King & H.Rob. (1971)
                                                                                 Genus Taplinia N.S. Lander (1989)
 Genus Taplinia N.S. Lander (1989)
                                                                                 Genus Tehuana Panero & Villaseñor (1997)
 Genus Tehuana Panero & Villaseñor (1997)
                                                                                 Genus Teixeiranthus R.M. King & H.Rob. (1980)
 Genus Teixeiranthus R.M. King & H.Rob. (1980)
                                                                                 Genus Telanthophora H.Rob. & R.D. Brettell (1974)
 Genus Telanthophora H.Rob. & R.D. Brettell (1974)
                                                                                 Genus Tenrhynea O.M. Hilliard & B.L.Burtt (1981)
 Genus Tenrhynea O.M. Hilliard & B.L.Burtt (1981)
                                                                                 Genus Tessaria Ruiz & Pav. (1794)
 Genus Tessaria Ruiz & Pav. (1794)
                                                                                 Genus Tetrachyron Schlechtendal (1847)
 Genus Tetrachyron Schlechtendal (1847)
                                                                                 Genus Tetraneuris E.L. Greene (1898)
 Genus Tetraneuris E.L. Greene (1898)
                                                                                 Genus Tetranthus Sw. (1788)
 Genus Tetranthus Sw. (1788)
                                                                                 Genus Tetraperone Urban (1901)
 Genus Tetraperone Urban (1901)
                                                                                 Genus Thaminophyllum Harv., in Harv. & Sonder (1865)
 Genus Thaminophyllum Harv., in Harv. & Sonder (1865)
                                                                                 Genus Thelesperma Lessing (1831)
 Genus Thelesperma Lessing (1831)
                                                                                 Genus Thespidium F.Muell. ex Bentham (1867)
 Genus Thespidium F.Muell. ex Bentham (1867)
                                                                                 Genus Thespis DC. (1833)
 Genus Thespis DC. (1833)
                                                                                 Genus Thiseltonia Hemsl. (1905)
 Genus Thiseltonia Hemsl. (1905)
                                                                                 Genus Thrincia Roth
 Genus Thrincia Roth
                                                                                 Genus Thurovia Rose
 Genus Thurovia Rose
                                                                                 Genus Thymopsis Bentham (1873), nom. cons.
 Genus Thymopsis Bentham (1873), nom. cons.
                                                                                 Genus Tiarocarpus K.H. Rechinger f. (1972)
 Genus Tiarocarpus K.H. Rechinger f. (1972)
                                                                                 Genus Tietkensia P.S. Short (1990)
 Genus Tietkensia P.S. Short (1990)
                                                                                 Genus Tilesia G. Mey.
 Genus Tilesia G. Mey.
                                                                                 Genus Toiyabea R. P. Roberts, Urbatsch & Neubig
 Genus Toiyabea R. P. Roberts, Urbatsch & Neubig
                                                                                 Genus Tolbonia Kuntze
 Genus Tolbonia Kuntze
                                                                                 Genus Tomentaurum G. L. Nesom
 Genus Tomentaurum G. L. Nesom
                                                                                 Genus Tonestus A.Nelson (1904)
 Genus Tonestus A.Nelson (1904)
                                                                                 Genus Tostimontia S.Díaz
 Genus Tostimontia S.Díaz
                                                                                 Genus Tourneuxia E. Cosson (1859)
 Genus Tourneuxia E. Cosson (1859)
                                                                                 Genus Townsendia Hook. (1834)
 Genus Townsendia Hook. (1834)
                                                                                 Genus Toxacanthus
 Genus Toxacanthus
                                                                                 Genus Tracyina S.F.Blake (1937)
 Genus Tracyina S.F.Blake (1937)
                                                                                 Genus Traversia Hook.f. (1864)
 Genus Traversia Hook.f. (1864)
                                                                                 Genus Trepadonia H. Rob.
 Genus Trepadonia H. Rob.
                                                                                 Genus Trichanthodium Sonder & F.Muell. (1853)
 Genus Trichanthodium Sonder & F.Muell. (1853)
                                                                                 Genus Trichocline Cassini (1817)
 Genus Trichocline Cassini (1817)
                                                                                 Genus Trichocoryne S.F.Blake (1924)
 Genus Trichocoryne S.F.Blake (1924)
                                                                                 Genus Trichogoniopsis R.M. King & H.Rob. (1972)
 Genus Trichogoniopsis R.M. King & H.Rob. (1972)
                                                                                 Genus Trichogyne Less.
 Genus Trichogyne Less.
                                                                                 Genus Trichoptilium A.Gray, in J. Torrey (1859)
 Genus Trichoptilium A.Gray, in J. Torrey (1859)
                                                                                 Genus Trichospira Kunth, in Humb. et al. (1818)
 Genus Trichospira Kunth, in Humb. et al. (1818)
                                                                                 Genus Trigonopterum Hook. f.
 Genus Trigonopterum Hook. f.
                                                                                 Genus Trigonospermum Lessing (1832)
 Genus Trigonospermum Lessing (1832)
                                                                                 Genus Triniteurybia Brouillet, Urbatsch & R. P. Roberts
 Genus Triniteurybia Brouillet, Urbatsch & R. P. Roberts
                                                                                 Genus Trioncinia (F.Muell.) Veldkamp
 Genus Trioncinia (F.Muell.) Veldkamp
                                                                                 Genus Triplocephalum O.Hoffm., in Engl. & Prantl (1894)
 Genus Triplocephalum O.Hoffm., in Engl. & Prantl (1894)
                                                                                 Genus Tripolium Nees
 Genus Tripolium Nees
                                                                                 Genus Triptilion Ruiz & Pav. (1794)
 Genus Triptilion Ruiz & Pav. (1794)
                                                                                 Genus Triptilodiscus Turczaninow (1851)
 Genus Triptilodiscus Turczaninow (1851)
                                                                                 Genus Troglophyton O.M. Hilliard & B.L.Burtt (1981)
 Genus Troglophyton O.M. Hilliard & B.L.Burtt (1981)
                                                                                 Genus Trommsdorffia Bernh.
 Genus Trommsdorffia Bernh.
                                                                                 Genus Troximon Nutt.
 Genus Troximon Nutt.
                                                                                 Genus Tuberculocarpus Pruski
 Genus Tuberculocarpus Pruski
                                                                                 Genus Tuberostylis Steetz, in B.C. Seemann (1853)
 Genus Tuberostylis Steetz, in B.C. Seemann (1853)
                                                                                 Genus Tugarinovia Iljin (1928)
 Genus Tugarinovia Iljin (1928)
                                                                                 Genus Turaniphytum Poljakov, in V.L. Komarov (1961)
 Genus Turaniphytum Poljakov, in V.L. Komarov (1961)
                                                                                 Genus Turczaninowia DC.
 Genus Turczaninowia DC.
                                                                                 Genus Tuxtla J.L. Villaseñor & J.L. Strother (1989)
 Genus Tuxtla J.L. Villaseñor & J.L. Strother (1989)
                                                                                 Genus Tyleropappus Greenman (1931)
 Genus Tyleropappus Greenman (1931)
                                                                                 Genus Tyrimnus (Cassini) Cassini (1826)
 Genus Tyrimnus (Cassini) Cassini (1826)
                                                                                 Genus Tzvelevopyrethrum Kamelin
 Genus Tzvelevopyrethrum Kamelin
                                                                                 Genus Uechtritzia Freyn (1892)
 Genus Uechtritzia Freyn (1892)
                                                                                 Genus Ugamia Pavlov (1950)
 Genus Ugamia Pavlov (1950)
                                                                                 Genus Unxia L.f. (1782)
 Genus Unxia L.f. (1782)
                                                                                 Genus Urbananthus R.M. King & H.Rob. (1971)
 Genus Urbananthus R.M. King & H.Rob. (1971)
                                                                                 Genus Urbinella Greenman (1903)
 Genus Urbinella Greenman (1903)
                                                                                 Genus Urmenetea Philippi (1860)
 Genus Urmenetea Philippi (1860)
                                                                                 Genus Uropappus Nutt.
 Genus Uropappus Nutt.
                                                                                 Genus Varilla A.Gray (1849)
 Genus Varilla A.Gray (1849)
                                                                                 Genus Varthemia DC. (1836)
 Genus Varthemia DC. (1836)
                                                                                 Genus Vasquezia Phil.
 Genus Vasquezia Phil.
                                                                                 Genus Vellereophyton O.M. Hilliard & B.L.Burtt (1981)
 Genus Vellereophyton O.M. Hilliard & B.L.Burtt (1981)
                                                                                 Genus Venegasia DC. (1838)
 Genus Venegasia DC. (1838)
                                                                                 Genus Vernoniopsis Humbert (1955)
 Genus Vernoniopsis Humbert (1955)
                                                                                 Genus Vieraea C.H. Schultz Bip. in P.B. Webb & S. Berthelot (1844)
 Genus Vieraea C.H. Schultz Bip. in P.B. Webb & S. Berthelot (1844)
                                                                                 Genus Vigethia W.A. Weber (1943)
 Genus Vigethia W.A. Weber (1943)
                                                                                 Genus Villanova Lag. (1816), nom. cons.
 Genus Villanova Lag. (1816), nom. cons.
                                                                                 Genus Villasenoria B. L. Clark
 Genus Villasenoria B. L. Clark
                                                                                 Genus Vittadinia A.Rich. (1832)
 Genus Vittadinia A.Rich. (1832)
                                                                                 Genus Volutarella Cass.
 Genus Volutarella Cass.
                                                                                 Genus Waitzia J.C. Wendland (1808)
 Genus Waitzia J.C. Wendland (1808)
                                                                                 Genus Waldheimia Kar. & Kir.
 Genus Waldheimia Kar. & Kir.
                                                                                 Genus Wamalchitamia Strother
 Genus Wamalchitamia Strother
                                                                                 Genus Wardaster J.Small
 Genus Wardaster J.Small
                                                                                 Genus Warionia Bentham & Cosson ex Cosson (1872)
 Genus Warionia Bentham & Cosson ex Cosson (1872)
                                                                                 Genus Welwitschiella O.Hoffm. (1894)
 Genus Welwitschiella O.Hoffm. (1894)
                                                                                 Genus Westoniella J. Cuatrecasas (1977)
 Genus Westoniella J. Cuatrecasas (1977)
                                                                                 Genus Wilkesia A.Gray (1852)
 Genus Wilkesia A.Gray (1852)
                                                                                 Genus Willemetia Cass.
 Genus Willemetia Cass.
                                                                                 Genus Willoughbya
 Genus Willoughbya
                                                                                 Genus Wulffia Necker ex Cassini (1823)
 Genus Wulffia Necker ex Cassini (1823)
                                                                                 Genus Xanthisma DC. (1836)
 Genus Xanthisma DC. (1836)
                                                                                 Genus Xanthocephalum Willd. (1807)
 Genus Xanthocephalum Willd. (1807)
                                                                                 Genus Xanthopappus C. Winkler (1893)
 Genus Xanthopappus C. Winkler (1893)
                                                                                 Genus Xenophyllum Funk
 Genus Xenophyllum Funk
                                                                                 Genus Xerolekia Anderb.
 Genus Xerolekia Anderb.
                                                                                 Genus Xerxes J.R.Grant
 Genus Xerxes J.R.Grant
                                                                                 Genus Xiphochaeta Poepp. & Endl.
 Genus Xiphochaeta Poepp. & Endl.
                                                                                 Genus Xylanthemum Tzvelev, in V.L. Komarov (1961)
 Genus Xylanthemum Tzvelev, in V.L. Komarov (1961)
                                                                                 Genus Xylothamia Nesom, Y.Suh, D.R.Morgan & B.B.Simpson
 Genus Xylothamia Nesom, Y.Suh, D.R.Morgan & B.B.Simpson
                                                                                 Genus Xylovirgata Urbatsch & R.P.Roberts
 Genus Xylovirgata Urbatsch & R.P.Roberts
                                                                                 Genus Yermo Dorn
 Genus Yermo Dorn
                                                                                 Genus Yunquea Skottsberg (1929)
 Genus Yunquea Skottsberg (1929)
                                                                                 Genus Zaluzania Persoon (1807)
 Genus Zaluzania Persoon (1807)
                                                                                 Genus Zemisia B. Nord.
 Genus Zemisia B. Nord.
                                                                                 Genus Zexmenia La Llave & Lexarza (1824)
 Genus Zexmenia La Llave & Lexarza (1824)
                                                                                 Genus Zollikoferia Nees
 Genus Zollikoferia Nees
                                                                                 Genus Zoutpansbergia Hutch.
 Genus Zoutpansbergia Hutch.
                                                                                 Genus Zyzyxia Strother
 Genus Zyzyxia Strother
                                                                                 1 Subfamily Barnadesioideae (D.Don) K. Bremer & R. K. Jansen
 1 Subfamily Barnadesioideae (D.Don) K. Bremer & R. K. Jansen
                                                                                 2.1 Subfamily Stifftioideae (D.Don) Panero (2007)
 2.1 Subfamily Stifftioideae (D.Don) Panero (2007)
                                                                                 2.2 Subfamily Mutisioideae (Cass.) Lindl.
 2.2 Subfamily Mutisioideae (Cass.) Lindl.
                                                                                 2.3 Subfamily Gochnatioideae (Benth. & Hook. f.) Panero & V. A.Funk
 2.3 Subfamily Gochnatioideae (Benth. & Hook. f.) Panero & V. A.Funk
                                                                                 2.4 Subfamily Hecastocleioideae Panero & V.A.Funk (2002)
 2.4 Subfamily Hecastocleioideae Panero & V.A.Funk (2002)
                                                                                 3 Subfamily Carduoideae Cass. ex Sw.
 3 Subfamily Carduoideae Cass. ex Sw.
                                                                                 4 Subfamily Pertyoideae Panero & V. A.Funk
 4 Subfamily Pertyoideae Panero & V. A.Funk
                                                                                 5 Subfamily Gymnarrhenoideae Panero & V. A.Funk
 5 Subfamily Gymnarrhenoideae Panero & V. A.Funk
                                                                                 6 Subfamily Cichorioideae (Juss.) Chev.
 6 Subfamily Cichorioideae (Juss.) Chev.
                                                                                 7 Subfamily Corymbioideae Panero & V. A.Funk
 7 Subfamily Corymbioideae Panero & V. A.Funk
                                                                                 8 Subfamily Asteroideaeᵀ (Cass.) Lindl.
 8 Subfamily Asteroideaeᵀ (Cass.) Lindl.