Aalius Rumphius ex O. Kuntze, 1891 accepted as Sauropus Blume, 1826 (habitat flag source)
Aaronsohnia O. Warburg & A. Eig, 1927 (habitat flag source)
Abacosa Alefeld, 1861 (habitat flag source)
Abarema Pittier, 1927 (habitat flag source)
Abasoloa La Llave in La Llave & Lexarza, 1824 (habitat flag source)
Abauria Beccari, 1877 accepted as Koompassia Maingay ex Bentham, 1873 (habitat flag source)
Abbevillea O.C. Berg, 1856 accepted as Campomanesia Ruiz & Pavón, 1794 (habitat flag source)
Abbottia F. von Mueller, 1875 accepted as Timonius A.P. de Candolle, 1830 (habitat flag source)
Abelmoschus Medikus, 1787 (habitat flag source)
Abena (Schauer) Hitchcock, 1893 (habitat flag source)
Abildgaardia M. Vahl, 1805 (habitat flag source)
Abola Adanson, 1763 accepted as Cinna Linnaeus, 1753 (habitat flag source)
Abortopetalum Degener, 1932 accepted as Abutilon P. Miller, 1754 (habitat flag source)
Abramsia Gillespie, 1932 accepted as Airosperma Lauterbach & K. Schumann in K. Schumann & Lauterbach, 1900 (habitat flag source)
Abroma N.J. Jacquin, 1776 (habitat flag source)
Abromeitia Mez, 1922 accepted as Fittingia Mez, 1922 (habitat flag source)
Abrotanella Cassini in F. Cuvier, 1825 (habitat flag source)
Abrotanum Duhamel du Monceau, 1755 (habitat flag source)
Abrus Adanson, 1763 (habitat flag source)
Absinthium P. Miller, 1754 accepted as Artemisia Linnaeus, 1753 (habitat flag source)
Abutilaea F. von Mueller, 1853 (habitat flag source)
Abutilodes O. Kuntze, 1891 (habitat flag source)
Abutilon P. Miller, 1754 (habitat flag source)
Abutilothamnus Ulbrich, 1915 accepted as Bastardiopsis (K.M. Schumann) Hassler, 1910 (habitat flag source)
Acacia P. Miller, 1754 (habitat flag source)
Acaciella N.L. Britton & J.N. Rose, 1928 (habitat flag source)
Acaciopsis N.L. Britton & J.N. Rose, 1928 accepted as Acacia P. Miller, 1754 (habitat flag source)
Acalypha Linnaeus, 1753 (habitat flag source)
Acalyphopsis Pax & K. Hoffmann in Engler, 1924 accepted as Acalypha Linnaeus, 1753 (habitat flag source)
Acamptoclados Nash in J.K. Small, 1903 accepted as Eragrostis N.M. Wolf, 1776 (habitat flag source)
Acamptopappus (A. Gray) A. Gray, 1873 (habitat flag source)
Acanos Adanson, 1763 (habitat flag source)
Acanthambrosia Rydberg, 1922 (habitat flag source)
Acanthium Heister ex Fabricius, 1759 (habitat flag source)
Acanthobotrya Ecklon & Zeyher, 1836 (habitat flag source)
Acanthocaulon Klotzsch ex Endlicher, 1850 accepted as Platygyna Mercier, 1830 (habitat flag source)
Acanthocephalus Karelin & Kirilov, 1842 (habitat flag source)
Acanthocladium F. von Mueller, 1861 (habitat flag source)
Acanthococos Barbosa Rodrigues, 1900 accepted as Acrocomia C.F.P. Martius, 1824 (habitat flag source)
Acanthodesmos C.D. Adams & M.C. du Quesnay, 1971 (habitat flag source)
Acanthodium Delile, 1813-1814 accepted as Blepharis A.L. Jussieu, 1789 (habitat flag source)
Acanthodus Rafinesque, 1814 (habitat flag source)
Acantholepis Lessing, 1831 accepted as Echinops Linnaeus, 1753 (habitat flag source)
Acantholimon Boissier, 1846 (habitat flag source)
Acantholippia Grisebach, 1874 (habitat flag source)
Acantholoma Gaudichaud-Beaupré ex Baillon, 1866 accepted as Pachystroma J. Müller Arg., 1865 (habitat flag source)
Acanthonotus Bentham in W.J. Hooker, 1849 (habitat flag source)
Acanthopale C.B. Clarke in Thiselton-Dyer, 1899 (habitat flag source)
Acanthophaca Nevski, 1937 accepted as Astragalus Linnaeus, 1753 (habitat flag source)
Acanthophoenix H. Wendland, 1867 (habitat flag source)
Acanthophyllum W.J. Hooker & Arnott in W.J. Hooker, 1835 accepted as Nassauvia Commerson ex A.L. Jussieu, 1789 (habitat flag source)
Acanthophyton Lessing, 1832 (habitat flag source)
Acanthopsis W.H. Harvey, 1842 (habitat flag source)
Acanthopteron N.L. Britton in N.L. Britton & J.N. Rose, 1928 accepted as Mimosa Linnaeus, 1753 (habitat flag source)
Acanthorrhiza H. Wendland, 1869 accepted as Cryosophila Blume, 1838 (habitat flag source)
Acanthosabal Proschowsky, 1925 accepted as Acoelorrhaphe H. Wendland, 1879 (habitat flag source)
Acanthosonchus (Schultz-Bip) M.E. Kirpicznikov, 1960 (habitat flag source)
Acanthospermum Schrank, 1820 (habitat flag source)
Acanthostelma S. Bidgood & R.K. Brummitt, 1985 (habitat flag source)
Acanthostyles R.M. King & H.E. Robinson, 1971 (habitat flag source)
Acanthotheca A.P. de Candolle, 1838 (habitat flag source)
Acanthotrichilia (Urban) Cook & Collins, 1903 accepted as Trichilia P. Browne, 1756 (habitat flag source)
Acanthoxanthium (A.P. de Candolle) Fourreau, 1869 (habitat flag source)
Acanthura Lindau, 1901 (habitat flag source)
Acanthyllis Pomel, 1874 accepted as Anthyllis Linnaeus, 1753 (habitat flag source)
Acarna J. Hill, 1762 (habitat flag source)
Acarna Boehmer in C.G. Ludwig, 1760 accepted as Atractylis Linnaeus, 1753 (habitat flag source)
Acarphaea W.H. Harvey & A. Gray ex A. Gray, 1849 (habitat flag source)
Acaulimalva A. Krapovickas, 1974 (habitat flag source)
Acca O.C. Berg, 1856 (habitat flag source)
Accara L.R. Landrum, 1990 (habitat flag source)
Accia A.F.C. Saint-Hilaire, 1840 accepted as Plukenetia Linnaeus, 1753 (habitat flag source)
Accorombona Endlicher, 1841 (habitat flag source)
Acelica Rizzini, 1949 accepted as Justicia Linnaeus, 1753 (habitat flag source)
Achaenipodium T.S. Brandegee, 1906 accepted as Verbesina Linnaeus, 1753 (habitat flag source)
Achaeta E.P.N. Fournier, 1886 accepted as Calamagrostis Adanson, 1763 (habitat flag source)
Achaetogeron A. Gray, 1849 accepted as Erigeron Linnaeus, 1753 (habitat flag source)
Achania O. Swartz, 1788 accepted as Malvaviscus P.C. Fabricius, 1759 (habitat flag source)
Achantia A. Chevalier, 1909 accepted as Mansonia J.R. Drummond ex D. Prain, 1905 (habitat flag source)
Acharitea Bentham in Bentham & J.D. Hooker, 1876 (habitat flag source)
Achariterium M.J. Bluff & C.A. Fingerhuth, 1825-1826 (habitat flag source)
Achillea Linnaeus, 1753 (habitat flag source)
Achilleopsis Turczaninow, 1849 accepted as Rulingia R. Brown, 1820 (habitat flag source)
Achlaena Grisebach, 1866 (habitat flag source)
Achnatherum Palisot de Beauvois, 1812 (habitat flag source)
Achnella (Elias) M.E. Barkworth, 1993 (habitat flag source)
Achneria Palisot de Beauvois, 1812 accepted as Eriachne R. Brown, 1810 (habitat flag source)
Achneria Munro ex Bentham & J.D. Hooker, 1883 accepted as Pentameris Palisot de Beauvois, 1812 (habitat flag source)
Achnodon Link, 1827 accepted as Phleum Linnaeus, 1753 (habitat flag source)
Achnodonton Palisot de Beauvois, 1812 accepted as Phleum Linnaeus, 1753 (habitat flag source)
Achnophora F. von Mueller, 1883 (habitat flag source)
Achnopogon Maguire, Steyermark & Wurdack, 1957 (habitat flag source)
Achromolaena Cassini in F. Cuvier, 1828 (habitat flag source)
Achrysum A. Gray, 1852 (habitat flag source)
Achyrachaena Schauer, 1838 (habitat flag source)
Achyrobaccharis C.H. Schultz-Bipontinus ex Walpers, 1843 accepted as Baccharis Linnaeus, 1753 (habitat flag source)
Achyrocalyx Benoist, 1930 (habitat flag source)
Achyrocline (Lessing) A.P. de Candolle, 1838 (habitat flag source)
Achyrocoma (Cassini) Cassini in F. Cuvier, 1823 accepted as Vernonia Schreber, 1791 (habitat flag source)
Achyrocome Schrank, 1824 (habitat flag source)