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 Cornales Link (1829)
           Family Curtisiaceae Takht. (1987)
             1 Genus Curtisia Aiton (1789), nom. cons.