Domain Eucaryota
   Subdomain Chlorota Doweld (2001)
     Kingdom Chlorobiota C.Jeffrey ex Doweld (2001) - plants see Subkingdom Viridiplantae Caval.-Sm. (1981)
       Subkingdom Pteridobiotina Britton & A. Br. (1896)
         Superphylum Cycadophytanae Doweld (2001)
           Phylum Magnoliophyta Cronquist, Takht. & Zimmerm. ex Reveal (1996) see Infraphylum Angiospermae auct.
             Subphylum Magnoliophytina Reveal (1996)
               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)
                       1 Family Davidiaceae H.L. Li (1955) see Family Nyssaceae Juss. ex Dumort. (1829), nom. cons.
                       2 Family Nyssaceae Juss. ex Dumort. (1829), nom. cons. - sour gum family
                       3 Family Mastixiaceae Calest. (1905) see Family Nyssaceae Juss. ex Dumort. (1829), nom. cons.
                       4 Family Curtisiaceae Takht. ex Doweld (2001), nom. inval. [monotypic] see Family Curtisiaceae Takht. (1987)
                       5 Family Cornaceae Bercht. & J.Presl (1825), nom. cons. - dogwood family
                       6 Family Alangiaceae DC. (1827), nom. cons. see Family Cornaceae Bercht. & J.Presl (1825), nom. cons.