2. Hamamelididae Takht. (1967)
1. Trochodendranae Takht. ex Reveal (1996)
1. Trochodendrales Takht. ex Cronquist (1981)
1. Trochodendraceae Prantl, nom. cons. (1888)
2. Tetracentraceae A.C. Sm., nom. cons. (1945)
2. Eupteleales Hu ex Reveal (1993)
1. Eupteleaceae K. Wilh., nom. cons. (1910)
3. Cercidiphyllales Hu ex Reveal (1993)
1. Cercidiphyllaceae Engl., nom. cons. (1909)
2. Myrothamnanae Takht. (1997)
1. Myrothamnales Nakai ex Reveal (1993)
1. Myrothamnaceae Nied., nom. cons. (1891)
3. Hamamelidanae Takht. (1967)
1. Hamamelidales Griseb. (1854)
Platanales J.H. Schaffn. (1929)
1. Hamamelidaceae R. Br., nom. cons. (1818)
Bucklandiaceae J. Agardh, nom. illeg. (1858)
Disanthaceae Nakai (1943)
Fothergillaceae Nutt. (1818)
Parrotiaceae Horan. (1834)
Rhodoleiaceae Nakai (1943)
2. Altingiaceae Lindl., nom. cons. (1846)
3. Platanaceae T. Lestib. ex Dumort., nom. cons. (1829)
4. Casuarinanae Takht., nom. inval. (1997)
1. Casuarinales Lindl. (1833)
1. Casuarinaceae R. Br., nom. cons. (1814)
5. Daphniphyllanae Takht. (1997)
Barbeyanae Takht., nom. inval. (1997)
Buxanae Takht., nom. inval. (1997)
1. Barbeyales Takht. & Reveal (1993)
1. Barbeyaceae Rendle, nom. cons. (1916)
2. Daphniphyllales Pulle ex Cronquist (1981)
1. Daphniphyllaceae Müll.-Arg., nom. cons. (1869)
3. Balanopales Engl. (1897)
1. Balanopaceae Benth. & Hook.f. (1880)
4. Didymelales Takht. (1967)
1. Didymelaceae Leandri (1937)
5. Buxales Takht. ex Reveal (1996)
1. Buxaceae Dumort., nom. cons. (1822)
Pachysandraceae J. Agardh (1858)
6. Simmondsiales Reveal (1992)
1. Simmondsiaceae (Müll.-Arg.) Tiegh. ex Reveal & Hoogland (1990)
6. Juglandanae Takht. ex Reveal (1992)
Faganae Takht. (1997)
1. Fagales Engl. (1892)
Quercales Burnett (1835)
1. Nothofagaceae Kuprian. (1962)
2. Fagaceae Dumort., nom. cons. (1829)
Castaneaceae Adans. (1763)
Quercaceae Bercht. & J. Presl (1820)
2. Corylales Dumort. (1829)
Betulales Bromhead (1838)
1. Betulaceae Gray, nom. cons. (1821)
2. Corylaceae Mirb., nom. cons. (1815)
2. Stylocerataceae (Pax) Takht. ex Reveal & Hoogland (1990)
Carpinaceae Vest (1818)
3. Ticodendraceae Gómez-Laur. & L.D. Gómez (1991)
3. Myricales Engl. (1897)
1. Myricaceae Blume, nom. cons. (1829)
4. Rhoipteleales Novák ex Reveal (1992)
1. Rhoipteleaceae Hand.-Mazz., nom. cons. (1932)
5. Juglandales Dumort. (1829)
1. Juglandaceae A. Rich. ex Kunth, nom. cons. (1824)
5 Nov 1997