Phylum Magnoliophyta Cronquist, Takht. & Zimmerm. ex Reveal (1996) see Infraphylum Angiospermae auct. Class Magnoliopsida Brongn. (1843) Subclass Dilleniidae Takht. ex Reveal & Tahkt. (1993) see Order Dilleniales DC. ex Bercht. & J.Presl (1820) Superorder Ericanae Takht. (1967) see Order Ericales Bercht. & J.Presl (1820) Order Diapensiales Engl. & Gilg (1924) see Order Ericales Bercht. & J.Presl (1820) Family Diapensiaceae Lindl. (1836), nom. cons. - Diapensia family Tribe Diapensieae A.Gray (1856) Genus Diapensia L. (1753)