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 Euphorbianae Takht. ex Reveal (1992) see Order Malpighiales Juss. ex Bercht. & J.Presl (1820)
                     Order Euphorbiales Lindl. (1833) see Order Malpighiales Juss. ex Bercht. & J.Presl (1820)
                       1 Family Porantheraceae Hurus. (1954) see Tribe Poranthereae
                       2 Family Peraceae Klotzsch (1859)
                       3 Family Cheilosaceae Doweld (2001) [monotypic]
                       4 Family Ricinaceae Martynov (1820)
                       5 Family Euphorbiaceae Juss. (1789), nom. cons. - spurge family