[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)
           "Eudicots" see Clade Eudicotyledoneae Donoghue, Doyle & Cantino 2007 [Donoghue, Doyle & Cantino 2020]
             Order Ranunculales Juss. ex Bercht. & J.Presl (1820)
               Family Ranunculaceae Juss. (1789), nom. cons. - buttercup family
                 Subfamily Isopyroideae see Subfamily Thalictroideae Raf. (1815)
                   Tribe Coptideae Langlet ex Tamura & K. Kosuge (1989) see Subfamily Coptoideae
                     1 Genus Asteropyrum J.R. Drummond & J. Hutchinson (1920)
                     2 Genus Coptis Salisbury (1807)
                     3 Genus Xanthorhiza Marshall (1785)