[Angiospermae] J. Lindley (1830) see Infraphylum Angiospermae auct.
   Dicotyledones see Class Magnoliopsida Brongn. (1843)
     Superorder Cornanae Thorne ex Reveal (1996) see Order Cornales Link (1829)
       Order Eucommiales Nemejc ex Cronquist (1981) see Order Garryales Mart. (1835)
         Family Eucommiaceae Engl. (1907), nom. cons. - Eucommia family