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 Theanae R.Dahlgren ex Reveal (1993) see Order Ericales Bercht. & J.Presl (1820)
                     Order Lecythidales Cronquist (1957) see Order Ericales Bercht. & J.Presl (1820)
                       1 Family Barringtoniaceae DC. ex F.Rudolphi (1830), nom. cons. see Subfamily Planchonioideae
                       2 Family Lecythidaceae A.Rich. (1825), nom. cons. - Brazil-nut family
                       3 Family Napoleonaeaceae A.Rich. (1827) see Subfamily Napoleonaeoideae
                       4 Family Foetidiaceae Airy Shaw (1965) see Subfamily Foetidioideae
                       5 Family Asteranthaceae R.Knuth (1939), nom. cons. see Subfamily Scytopetaloideae
                       6 Family Scytopetalaceae Engl. (1897), nom. cons. - Scytopetalum family see Subfamily Scytopetaloideae