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 Theidae Doweld (2001)
                   Superorder Balsaminanae Doweld (2001)
                     Order Marcgraviales Doweld (2001), nom. inval.
                       1 Family Pentaphylacaceae Engl. (1897), nom. cons. - Pentaphylax family
                       2 Family Pellicieraceae L.Beauvis. ex Bullock (1959) see Family Tetrameristaceae Hutch. (1959)
                       3 Family Tetrameristaceae Hutch. (1959)
                       4 Family Marcgraviaceae Bercht. & J.Presl (1820), nom. cons. - shingle plant family