[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
                 1 Subfamily Bellendenoideae P. H. Weston
                 2 Subfamily Persoonioideae L.A.S.Johnson & B.G.Briggs
                 3 Subfamily Symphionematoideae Weston & Barker
                 4 Subfamily Proteoideae Eaton
                 5 Subfamily Grevilleoideae Engl.