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 Rosidae Takht. (1967) see Superorder Rosanae Takht. (1967)
                   A Superorder Zygophyllanae Doweld (2001)
                   B Superorder Polygalanae Doweld (2001)
                   C Superorder Fabanae R.Dahlgren ex Reveal (1993) [monotypic] see Order Fabales Bromhead (1838)
                   D Superorder Cucurbitanae Reveal (1994) [monotypic]
                   E Superorder Begonianae Doweld (2001)
                   F Superorder Corynocarpanae Takht. (1997) [monotypic] see Order Cucurbitales Juss. ex Bercht. & J.Presl (1820)
                   G Superorder Rosanae Takht. (1967) [monotypic]
                   H Superorder Rhamnanae Takht. ex Reveal (1992) see Order Rosales Bercht. & J.Presl (1820)
                   I Superorder Urticanae Takht. ex Reveal (1992) see Order Rosales Bercht. & J.Presl (1820)
                   J Superorder Faganae Takht. (1997) [monotypic] see Order Fagales Engl. (1892)
                   K Superorder Casuarinanae Takht. ex Reveal & Doweld (1999) see Order Fagales Engl. (1892)
                   L Superorder Juglandanae Takht. ex Reveal (1992) see Order Fagales Engl. (1892)