plants Haeckel (1866) - plants
   Division Charophyta Migula (1889) - charophyte algae and embryophytes see charophytes
     Subdivision [Streptophytina] see [unranked] Streptophytina Lewis & McCourt (2004)
       Class Equisetopsida C.Agardh (1825) - horsetails see Subclass Equisetidae Warm. (1883)
         Vascular Plants see Phylum Tracheophyta Sinnott ex Caval.-Sm. (1998)
           [Seed-Plants; Spermatophyta]
             Subclass Magnoliidae Novák ex Takht. (1967) - angiosperms
               'Eudicots' [Dicotyledons s.s.] see Clade Eudicotyledoneae Donoghue, Doyle & Cantino 2007 [Donoghue, Doyle & Cantino 2020]
                 Order Proteales Juss. ex Bercht. & J.Presl (1820)
                   1 Family Sabiaceae Blume (1851), nom. cons. - Sabia family
                   2 Family Nelumbonaceae A.Rich. (1827), nom. cons.
                   3 Family Platanaceae T.Lestib. (1826), nom. cons. - plane-tree family
                   4 Family Proteaceae Juss. (1789), nom. cons. - Protea family