Phylum Magnoliophyta Cronquist, Takht. & Zimmerm. ex Reveal (1996) see Infraphylum Angiospermae auct.
   Class Magnoliopsida Brongn. (1843)
     Subclass Rosidae Takht. (1967) see Superorder Rosanae Takht. (1967)
       Superorder Proteanae Takht. (1967)
         Order Proteales Juss. ex Bercht. & J.Presl (1820)
           Family Proteaceae Juss. (1789), nom. cons. - Protea family
             Subfamily Grevilleoideae Engl.
               Tribe Knightieae L.A.S.Johnson & B.G. Briggs (1975) see Tribe Roupaleae
                 1 Genus Knightia R.Br. (1810), nom. cons.
                 2 Genus Eucarpha Spach
                 3 Genus Darlingia F.Muell. (1866)
                 4 Genus Cardwellia F.Muell. (1865)