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]
                 ['Core Eudicots'] see Clade Gunneridae Soltis, Soltis & Judd 2007 [Soltis, Soltis & Judd 2020]
                   [Rosids] see Clade Rosidae Takhtajan 1967 [Judd, Cantino, Soltis & Soltis 2020]
                     Order Oxalidales Bercht. & J.Presl (1820)
                       1 Family Huaceae A.Chev. (1947)
                       2 Family Connaraceae R.Br. (1818), nom. cons. - Connarus family
                       3 Family Oxalidaceae R.Br. (1818), nom. cons. - wood-sorrel family
                       4 Family Cunoniaceae R.Br. (1814), nom. cons. - Cunonia family
                       5 Family Elaeocarpaceae Juss. (1816), nom. cons. - Elaeocarpus family
                       6 Family Cephalotaceae Dumort. (1829), nom. cons. - Australian pitcher-plant family
                       7 Family Brunelliaceae Engl. (1897), nom. cons. - Brunellia family