Phylum Magnoliophyta Cronquist, Takht. & Zimmerm. ex Reveal (1996) see Infraphylum Angiospermae auct.
   Class Magnoliopsida Brongn. (1843)
     Subclass Caryophyllidae Takht. (1967) see Order Caryophyllales Juss. ex Bercht. & J.Presl (1820)
       Superorder Caryophyllanae Takht. (1967)
         Order Caryophyllales Juss. ex Bercht. & J.Presl (1820)
           Suborder Portulacineae Engl. (1898) see Order Caryophyllales Juss. ex Bercht. & J.Presl (1820)
             Family Cactaceae Juss. (1789), nom. cons. - cactus family
               Subfamily Cactoideae K. Schumann
                 1 Tribe Echinocereeae Buxb. (1958)
                 2 Tribe Hylocereeae Buxb. (1958), nom. corr.
                 3 Tribe Cereeae Salm-Dyck (1840)
                 4 Tribe Trichocereeae F. Buxbaum
                 5 Tribe Notocacteae Buxb. (1958)
                 6 Tribe Rhipsalideae
                 7 Tribe Browningieae Buxb. (1966)
                 8 Tribe Pachycereeae Buxb. (1958)
                 9 Tribe Cacteae Rchb. (1832)