Domain Eucaryota Subdomain Chlorota Doweld (2001) Kingdom Chlorobiota C.Jeffrey ex Doweld (2001) - plants see Subkingdom Viridiplantae Caval.-Sm. (1981) Subkingdom Pteridobiotina Britton & A. Br. (1896) Superphylum Cycadophytanae Doweld (2001) Phylum Magnoliophyta Cronquist, Takht. & Zimmerm. ex Reveal (1996) see Infraphylum Angiospermae auct. Subphylum Magnoliophytina Reveal (1996) Class Liliopsida Batsch (1802) see Class Magnoliopsida Brongn. (1843) Subclass Commelinidae Takht. (1967) see Order Commelinales Mirb. ex Bercht. & J.Presl (1820) Superorder Dioscoreanae Takht. ex Reveal & Doweld (1999) see Order Dioscoreales Mart. (1835) 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