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 Commelinales Mirb. ex Bercht. & J.Presl (1820)
                   1 Family Hanguanaceae Airy Shaw (1965)
                   2 Family Commelinaceae Mirb. (1804), nom. cons. - spiderwort family
                   3 Family Philydraceae Link (1821), nom. cons. - Philydrum family
                   4 Family Pontederiaceae Kunth (1816), nom. cons. - water-hyacinth family
                   5 Family Haemodoraceae R.Br. (1810), nom. cons. - bloodwort family