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 Rosanae Takht. (1967)
         Order Crossosomatales Takht. ex Reveal (1993)
           Family Crossosomataceae Engl. (1897), nom. cons. - Crossosoma family
             1 Genus Apacheria C.T. Mason (1975)
             2 Genus Crossosoma Nutt. (1848)
             3 Genus Glossopetalon A.Gray (1853)
             3.0 Genus Forsellesia Greene see Genus Glossopetalon A.Gray (1853)