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)
           1 Family Stenomeridaceae J.Agardh (1858), nom. cons. see Family Dioscoreaceae R.Br. (1810), nom. cons.
           2 Family Trichopodaceae Hutch. (1934), nom. cons. see Family Dioscoreaceae R.Br. (1810), nom. cons.
           3 Family Avetraceae Takht. (1997) see Family Dioscoreaceae R.Br. (1810), nom. cons.
           4 Family Dioscoreaceae R.Br. (1810), nom. cons. - yam family
           4.0 Family Tamaceae Martynov (1820) see Family Dioscoreaceae R.Br. (1810), nom. cons.