living organisms see Clade Biota Wagner 2004 [Wiemann, de Queiroz, Rowe, Planavsky, Anderson, Gogarten, Turner & Gauthier 2020]
   Superkingdom Eukaryotae see Domain Eukaryota Chatton, 1925
     Kingdom Plantae Haeckel (1866) - plants
       Subkingdom Embryobionta Cronquist, Takht. & W.Zimm.
         Division Magnoliophyta Cronquist, Takht. & Zimmerm. (1966) see Phylum Magnoliophyta Cronquist, Takht. & Zimmerm. ex Reveal (1996)
           Class Magnoliopsida Brongn. (1843)
             Subclass Magnoliidae Novák ex Takht. (1967) - angiosperms
               Order Nymphaeales Salisb. ex Bercht. & J.Presl (1820)
                 1 Family Nelumbonaceae A.Rich. (1827), nom. cons.
                 2 Family Nymphaeaceae Salisb. (1805), nom. cons. - water lilies
                 3 Family Barclayaceae H.L. Li (1955) see Family Nymphaeaceae Salisb. (1805), nom. cons.
                 4 Family Cabombaceae Rich. ex A.Rich. (1822), nom. cons. - water-shield family
                 5 Family Ceratophyllaceae Gray (1822), nom. cons. - hornwort family