[organisms] see Clade Biota Wagner 2004 [Wiemann, de Queiroz, Rowe, Planavsky, Anderson, Gogarten, Turner & Gauthier 2020]
   Kingdom Plantae Haeckel (1866) - plants
     Phylum Magnoliophyta Cronquist, Takht. & Zimmerm. ex Reveal (1996) see Infraphylum Angiospermae auct.
       Class Liliopsida Batsch (1802) see Class Magnoliopsida Brongn. (1843)
         Order Potamogetonales Dumort. (1829) see Order Alismatales R.Br. ex Bercht. & J.Presl (1820)
           Family Cymadoceaceae nom. null. see Family Cymodoceaceae Vines (1895), nom. cons.
             Genus Cymodocea K.D.Koenig (1805), nom. cons.
               1 Cymodocea nodosa (Ucria) Ascherson