Abrophyllaceae Nakai, 1943 accepted as Rousseaceae de Candolle, 1839 (source of synonymy)
Acanthaceae de Jussieu, 1789 (basis of record)
Aceraceae de Jussieu, 1789 accepted as Sapindaceae de Jussieu, 1789 (basis of record)
Achariaceae Harms, 1897 (basis of record)
Achatocarpaceae Heimerl, 1934 (basis of record)
Acoraceae Martinov, 1820 (basis of record)
Acrostichaceae Mettenius ex A.B. Frank, 1874 † accepted as Pteridaceae E.D.M. Kirchner, 1831 (basis of record)
Actinidiaceae Gilg & Werdermann, 1925 (basis of record)
Actiniopteridaceae Pichi Sermolli, 1962 accepted as Pteridaceae E.D.M. Kirchner, 1831 (basis of record)
Adiantaceae Newman, 1840 accepted as Pteridaceae E.D.M. Kirchner, 1831 (basis of record)
Adoxaceae E. Meyer, 1839 (basis of record)
Aextoxicaceae Engler & Gilg, 1920 (basis of record)
Agapanthaceae F. Voigt, 1850 accepted as Amaryllidaceae J. Saint-Hilaire, 1805 (basis of record)
Agavaceae Dumortier, 1829 accepted as Asparagaceae de Jussieu, 1789 (basis of record)
Aizoaceae Martinov, 1820 (basis of record)
Akaniaceae Stapf, 1912 (basis of record)
Alangiaceae de Candolle, 1828 accepted as Cornaceae von Berchtold & J. Presl, 1825 (source of synonymy)
Alismataceae Ventenat, 1799 (basis of record)
Alliaceae Borkhausen, 1797 accepted as Amaryllidaceae J. Saint-Hilaire, 1805 (basis of record)
Aloaceae Batsch, 1802 accepted as Asphodelaceae de Jussieu, 1789 (basis of record)
Alseuosmiaceae Airy Shaw, 1965 (basis of record)
Alstroemeriaceae Dumortier, 1829 (basis of record)
Altingiaceae Horaninow, 1841 (basis of record)
Alzateaceae S.A. Graham, 1985 (basis of record)
Amaranthaceae de Jussieu, 1789 (basis of record)
Amaryllidaceae J. Saint-Hilaire, 1805 (basis of record)
Amborellaceae Pichon, 1948 (basis of record)
Anacardiaceae R. Brown, 1818 (basis of record)
Anarthriaceae D.F. Cutler & Airy Shaw, 1965 accepted as Restionaceae R. Brown, 1810 (basis of record)
Ancistrocladaceae Planchon ex Walpers, 1851 (basis of record)
Anemiaceae Link, 1841 (basis of record)
Angiopteridaceae Fée ex J. Bommer, 1867 (basis of record)
Anisophylleaceae Ridley, 1922 (basis of record)
Annonaceae de Jussieu, 1789 (basis of record)
Anthericaceae J.G. Agardh, 1858 accepted as Asparagaceae de Jussieu, 1789 (basis of record)
Antoniaceae Hutchinson, 1959 accepted as Loganiaceae R. Brown ex Martius, 1827 (source of synonymy)
Aphloiaceae Takhtajan, 1985 (basis of record)
Aphyllanthaceae Burnett, 1835 accepted as Asparagaceae de Jussieu, 1789 (basis of record)
Apiaceae Lindley, 1836 (basis of record)
Apocynaceae de Jussieu, 1789 (basis of record)
Apodanthaceae van Tieghem ex Takhtajan, 1987 (basis of record)
Aponogetonaceae Planchon, 1856 (basis of record)
Aptandraceae Miers, 1853 accepted as Olacaceae de Jussieu ex R. Brown, 1818 (basis of record)
Aquifoliaceae von Berchtold & J. Presl, 1825 (basis of record)
Araceae de Jussieu, 1789 (basis of record)
Araliaceae de Jussieu, 1789 (basis of record)
Aralidiaceae Philipson & B.C. Stone, 1980 accepted as Torricelliaceae Hu, 1934 (basis of record)
Araucariaceae Henkel & W. Hochstetter, 1865 (basis of record)
Arecaceae von Berchtold & J. Presl, 1820 (basis of record)
Argophyllaceae Takhtajan, 1987 (basis of record)
Aristolochiaceae de Jussieu, 1789 (basis of record)
Artocarpaceae von Berchtold & J. Presl, 1820 † accepted as Moraceae Gaudichaud-Beaupré, 1835 (source of synonymy)
Asclepiadaceae Borkhausen, 1797 accepted as Apocynaceae de Jussieu, 1789 (source of synonymy)
Asparagaceae de Jussieu, 1789 (basis of record)
Asphodelaceae de Jussieu, 1789 (basis of record)
Aspleniaceae Newman, 1840 (basis of record)
Asteliaceae Dumortier, 1829 (basis of record)
Asteraceae von Berchtold & J. Presl, 1820 (basis of record)
Asteranthaceae R. Knuth, 1939 accepted as Lecythidaceae A. Richard, 1825 (source of synonymy)
Asteropeiaceae Takhtajan ex Reveal & Hoogland, 1990 (basis of record)
Athyriaceae Alston, 1956 (basis of record)
Aucubaceae von Berchtold & J. Presl, 1825 accepted as Garryaceae Lindley, 1834 (basis of record)
Aurantiaceae de Jussieu, 1789 † accepted as Rutaceae de Jussieu, 1789 (source of synonymy)
Austrobaileyaceae Croizat, 1943 (basis of record)
Avetraceae Takhtajan, 1997 accepted as Dioscoreaceae R. Brown, 1810 (source of synonymy)
Avicenniaceae Miquel, 1845 accepted as Acanthaceae de Jussieu, 1789 (source of synonymy)
Azollaceae Wettstein, 1903 accepted as Salviniaceae Martinov, 1820 (basis of record)
Balanitaceae M. Roemer, 1846 accepted as Zygophyllaceae R. Brown, 1814 (source of synonymy)
Balanopaceae Bentham & Hooker f., 1880 (basis of record)
Balanophoraceae Richard, 1822 (basis of record)
Balsaminaceae A. Richard, 1822 (basis of record)
Barbeuiaceae Nakai, 1942 (basis of record)
Barbeyaceae Rendle, 1916 (basis of record)
Barclayaceae H.L. Li, 1955 accepted as Nymphaeaceae Salisbury, 1805 (source of synonymy)
Barringtoniaceae F. Rudolphi, 1830 accepted as Lecythidaceae A. Richard, 1825 (source of synonymy)
Basellaceae Rafinesque, 1837 (basis of record)
Bataceae Martius ex Perleb, 1838 (basis of record)
Baxteriaceae Takhtajan, 1996 accepted as Dasypogonaceae Dumortier, 1829 (source of synonymy)
Begoniaceae C.A. Agardh, 1824 (basis of record)
Bembiciaceae R.C. Keating & Takhtajan, 1996 accepted as Salicaceae de Mirbel, 1815 (source of synonymy)
Berberidaceae de Jussieu, 1789 (basis of record)
Berberidopsidaceae Takhtajan, 1985 (basis of record)
Betulaceae Gray, 1822 (basis of record)
Biebersteiniaceae Schnizlein, 1856 (basis of record)
Bignoniaceae de Jussieu, 1789 (basis of record)
Bixaceae Kunth, 1822 (basis of record)
Blandfordiaceae R. Dahlgren & Clifford, 1985 (basis of record)
Blechnaceae Newman, 1844 (basis of record)
Bombacaceae Kunth, 1822 accepted as Malvaceae de Jussieu, 1789 (source of synonymy)
Bonnetiaceae L. Beauvisage ex Nakai, 1948 (basis of record)
Boraginaceae de Jussieu, 1789 (basis of record)
Botrychiaceae Horaninow, 1847 accepted as Ophioglossaceae Martinov, 1820 (basis of record)
Boweniaceae D.W. Stevenson, 1981 accepted as Zamiaceae Horaninow, 1834 (basis of record)
Brassicaceae Burnett, 1835 (basis of record)
Bretschneideraceae Engler & Gilg, 1924 accepted as Akaniaceae Stapf, 1912 (basis of record)
Brexiaceae Loudon, 1830 accepted as Celastraceae R. Brown, 1814 (source of synonymy)
Bromeliaceae de Jussieu, 1789 (basis of record)
Brunelliaceae Engler, 1897 (basis of record)
Bruniaceae R. Brown ex de Candolle, 1825 (basis of record)
Brunoniaceae Dumortier, 1829 accepted as Goodeniaceae R. Brown, 1810 (source of synonymy)