[plants] Haeckel (1866) - plants
   vascular plants see Phylum Tracheophyta Sinnott ex Caval.-Sm. (1998)
     euphyllophytes see Clade Euphyllophyta Lecointre & Le Guyader 2006 [Cantino & Donoghue 2020]
       Spermatophyta Britton & Brown 1896 [Crane & Kenrick 1997], nom. cl. inval. - seed plants see Clade Spermatophyta Britton & Brown 1896 [Cantino, Doyle & Donoghue 2020]
         Class Magnoliopsida Brongn. (1843)
           Order Nymphaeales Salisb. ex Bercht. & J.Presl (1820)
             Family Nymphaeaceae Salisb. (1805), nom. cons. - water lilies
               1 Genus Nuphar Sm. (1809)
               1.0 Subfamily Nupharoideae M. Ito
               2 Subfamily Nymphaeoideae Arn.
               2.1 Genus Barclaya Wall. (1827), nom. cons.
               2.2 Genus Euryale Salisbury (1805)
               2.3 Genus Nymphaea L. (1753) - water lilies
               2.4 Genus Victoria Lindl. (1837)