Phylum Magnoliophyta Cronquist, Takht. & Zimmerm. ex Reveal (1996) see Infraphylum Angiospermae auct.
   Class Magnoliopsida Brongn. (1843)
     Subclass Ranunculidae Takht. ex Reveal (1992) see Order Ranunculales Juss. ex Bercht. & J.Presl (1820)
       Superorder Ranunculanae Takht. ex Reveal (1992)
         Order Hydrastidales Takht. (1997) see Order Ranunculales Juss. ex Bercht. & J.Presl (1820)
           1 Family Hydrastidaceae Martynov (1820) see Subfamily Hydrastidoideae Raf.