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 Liliopsida Batsch (1802) see Class Magnoliopsida Brongn. (1843)
             Subclass Arecidae Takht. (1967) see Order Arecales Bromhead (1840)
               Order Arales Juss. ex Bercht. & J.Presl (1820) see Order Alismatales R.Br. ex Bercht. & J.Presl (1820)
                 Family Lemnaceae Martinov (1820), nom. cons. - duckweed family see Subfamily Lemnoideae Babington (1843)
                   1 Genus Lemna L. (1753)
                   2 Genus Spirodela Schleid. (1839)
                   3 Genus Wolffia Horkel ex Schleid. (1844)