[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)
           Magnoliidae s.s. Novák ex Takht. (1967) - angiosperms
             Order Piperales Bercht. & J.Presl (1820)
               Family Saururaceae F.Voigt (1811), nom. cons. - lizard's-tail family
                 1 Genus Anemopsis Hook. & Arnott (1840)
                 2 Genus Gymnotheca Decaisne (1845)
                 3 Genus Houttuynia Thunb. (1783), nom. cons., orth. cons.
                 4 Genus Saururus L. (1753)