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 Philadelphoideae see Tribe Philadelpheae DC. ex Duby (1828)
               Tribe Deutzieae Nakai (1943) see Tribe Philadelpheae DC. ex Duby (1828)
                 1 Genus Dichroa Loureiro (1790)
                 2 Genus Broussaisia Gaudich., in Freycinet (1830)
                 3 Genus Deutzia Thunb. (1781)