Phylum Magnoliophyta Cronquist, Takht. & Zimmerm. ex Reveal (1996) see Infraphylum Angiospermae auct.
   Class Liliopsida Batsch (1802) see Class Magnoliopsida Brongn. (1843)
     Subclass Liliidae J.H.Schaffn. (1911) see Order Liliales Perleb (1826)
       Superorder Dioscoreanae Takht. (1997), nom. inval. see Superorder Dioscoreanae Takht. ex Reveal & Doweld (1999)
         Order Dioscoreales Mart. (1835)
           Family Dioscoreaceae R.Br. (1810), nom. cons. - yam family
             1 Genus Borderea Miégeville (1866) see Genus Dioscorea L. (1753)
             2 Genus Dioscorea L. (1753)
             2.0 Genus Nanarepenta Matuda (1962) see Genus Dioscorea L. (1753)
             3 Genus Epipetrum Phil. (1864)
             4 Genus Rajania L. (1753) see Genus Dioscorea L. (1753)
             5 Genus Tamus L. (1753) see Genus Dioscorea L. (1753)