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 Tribe Echinocereeae Buxb. (1958) Genus Acanthocereus (A.Berger) Britton & Rose (1909)