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 Magnoliidae Novák ex Takht. (1967) - angiosperms
                   Superorder Lauranae Takht. (1997) see Order Laurales Juss. ex Bercht. & J.Presl (1820)
                     Order Calycanthales Link (1829) see Order Laurales Juss. ex Bercht. & J.Presl (1820)
                       Family Idiospermaceae S.T. Blake (1972) - Idiospermum family see Family Calycanthaceae Lindl. (1819), nom. cons.