Domain Eucaryota
   Subdomain Chlorota Doweld (2001)
     Kingdom Chlorobiota C.Jeffrey ex Doweld (2001) - plants see Subkingdom Viridiplantae Caval.-Sm. (1981)
       Subkingdom Pteridobiotina Britton & A. Br. (1896)
         Superphylum Cycadophytanae Doweld (2001)
           Phylum Magnoliophyta Cronquist, Takht. & Zimmerm. ex Reveal (1996) see Infraphylum Angiospermae auct.
             Subphylum Magnoliophytina Reveal (1996)
               Class Magnoliopsida Brongn. (1843)
                 Subclass Myrtidae J.H.Schaffn. (1911)
                   Superorder Ochnanae Doweld (2001)
                     Order Medusagynales Takht. ex Reveal & Doweld (1999)
                       1 Family Medusagynaceae Engl. & Gilg (1924), nom. cons. - Medusagyne family see Family Ochnaceae DC. (1811), nom. cons.
                       2 Family Quiinaceae Choisy ex Engl. (1888), nom. cons. - Quiina family see Subfamily Quiinoideae (Planch. & Triana, 1860) Luerss., 1881