Phylum Magnoliophyta Cronquist, Takht. & Zimmerm. ex Reveal (1996) see Infraphylum Angiospermae auct.
Count: [f] 2c;232o;592f;6085g;41s; †1g
   Class Magnoliopsida Brongn. (1843)
  Count: -
     Subclass Ranunculidae Takht. ex Reveal (1992) see Order Ranunculales Juss. ex Bercht. & J.Presl (1820)
    Count: [f] 9o;17f;158g;5s
       Superorder Ranunculanae Takht. ex Reveal (1992)
      Count: [f] 9o;17f;158g;5s
         Order Ranunculales Juss. ex Bercht. & J.Presl (1820)
        Count: [g] 1f;61g;1s
           Family Ranunculaceae Juss. (1789), nom. cons. - buttercup family
          Count: [g] 61g;1s
             Subfamily "Trolliodeae" nom. null. see Subfamily Trollioideae
            Count: [g] 17g
               Tribe Trollieae see Tribe Helleboreae DC. (1817)
              Count: -
                 Genus Caltha L. (1753)
                Count: -