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 Ranunculales Juss. ex Bercht. & J.Presl (1820)
           Family Ranunculaceae Juss. (1789), nom. cons. - buttercup family
             Subfamily Isopyroideae see Subfamily Thalictroideae Raf. (1815)
               Tribe Isopyreae Schrödinger (1909)
                 1 Genus Enemion Rafinesque (1820)
                 2 Genus Isopyrum L. (1753)
                 3 Genus Leptopyrum Rchb. (1832)
                 4 Genus Paraquilegia Drummond & Hutchinson (1920)
                 5 Genus Semiaquilegia Makino (1902)
                 6 Genus Urophysa Ulbrich (1929)
                 7 Genus Aquilegia L. (1753)