Phylum Magnoliophyta Cronquist, Takht. & Zimmerm. ex Reveal (1996) see Infraphylum Angiospermae auct.
   Class Magnoliopsida Brongn. (1843)
     Subclass Rosidae Takht. (1967) see Superorder Rosanae Takht. (1967)
       Superorder Celastranae Takht. (1967) see Order Celastrales Link (1829)
         Order Parnassiales Nakai (1943) see Order Celastrales Link (1829)
           Family Parnassiaceae Martinov (1820), nom. cons. see Family Celastraceae R.Br. (1814), nom. cons.
             Genus Parnassia L. (1753)