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)
                     Order Parnassiales Nakai (1943) see Order Celastrales Link (1829)
                       1 Family Lepidobotryaceae J.Léonard (1950), nom. cons.
                       2 Family Parnassiaceae Martinov (1820), nom. cons. see Family Celastraceae R.Br. (1814), nom. cons.