Phylum Magnoliophyta Cronquist, Takht. & Zimmerm. ex Reveal (1996) see Infraphylum Angiospermae auct.
   Class Magnoliopsida Brongn. (1843)
     Subclass Cornidae Frohne & U. Jensen ex Reveal (1994) see Subclass Asteridae Takht. (1967)
       Superorder Cornanae Thorne ex Reveal (1996) see Order Cornales Link (1829)
         Order Hydrangeales Nakai (1943) see Order Cornales Link (1829)
           Family Hydrangeaceae Dumort. (1829), nom. cons. - Hydrangea family
             Subfamily Hydrangeoideae (Dumort.) Burnett (1835)
               1 Tribe Hydrangeae DC. (1830) see Tribe Hydrangeeae DC. (1830), nom. corr.
               2 Tribe Cardiandreae Nakai (1943) see Tribe Hydrangeae DC. (1830)