[plants] Haeckel (1866) - plants
   vascular plants see Phylum Tracheophyta Sinnott ex Caval.-Sm. (1998)
     euphyllophytes see Clade Euphyllophyta Lecointre & Le Guyader 2006 [Cantino & Donoghue 2020]
       Spermatophyta Britton & Brown 1896 [Crane & Kenrick 1997], nom. cl. inval. - seed plants see Clade Spermatophyta Britton & Brown 1896 [Cantino, Doyle & Donoghue 2020]
         Class Magnoliopsida Brongn. (1843)
           "Eudicots" see Clade Eudicotyledoneae Donoghue, Doyle & Cantino 2007 [Donoghue, Doyle & Cantino 2020]
             Order Proteales Juss. ex Bercht. & J.Presl (1820)
               Family Proteaceae Juss. (1789), nom. cons. - Protea family
                 Subfamily Grevilleoideae Engl.
                   Tribe Roupaleae
                     1 Genus Darlingia F.Muell. (1866)
                     2.1 Genus Helicia Loureiro (1790)
                     2.2 Genus Triunia L.A.S.Johnson & B.G.Briggs
                     3 Genus Hollandaea F. v. Mueller (1887)
                     4.1 Genus Knightia R.Br. (1810), nom. cons.
                     4.2 Genus Eucarpha Spach
                     5 Genus Lambertia Sm. (1798)
                     6 Genus Neorites L.S. Sm. (1969)
                     7 Genus Orites R.Br. (1810)
                     8 Genus Roupala Aubl. (1775)
                     9 Genus Xylomelum Sm. (1798)