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 Celastranae Takht. (1967) see Order Celastrales Link (1829)
                     3 Order Huales Doweld (2001) [monotypic] see Order Oxalidales Bercht. & J.Presl (1820)
                     4 Order Celastrales Link (1829) [monotypic]
                     5 Order Parnassiales Nakai (1943) see Order Celastrales Link (1829)