plants Haeckel (1866) - plants
   Division Charophyta Migula (1889) - charophyte algae and embryophytes see charophytes
     Subdivision [Streptophytina] see [unranked] Streptophytina Lewis & McCourt (2004)
       Class Equisetopsida C.Agardh (1825) - horsetails see Subclass Equisetidae Warm. (1883)
         Vascular Plants see Phylum Tracheophyta Sinnott ex Caval.-Sm. (1998)
           [Seed-Plants; Spermatophyta]
             Subclass Magnoliidae Novák ex Takht. (1967) - angiosperms
               Monocotyledons see Superorder Lilianae Takht. (1967)
                 Order Dioscoreales Mart. (1835)
                   1 Family Nartheciaceae Fr. ex Bjurzon (1846)
                   2 Family Taccaceae Dumort. (1829), nom. cons. - Tacca family
                   3 Family Thismiaceae J.Agardh (1858), nom. cons.
                   4 Family Dioscoreaceae R.Br. (1810), nom. cons. - yam family
                   5 Family Burmanniaceae Blume (1827), nom. cons. - Burmannia family