Phylum Magnoliophyta Cronquist, Takht. & Zimmerm. ex Reveal (1996) see Infraphylum Angiospermae auct.
   Class Magnoliopsida Brongn. (1843)
     Subclass Asteridae Takht. (1967) see Superorder Asteranae Takht. (1967)
       Superorder Campanulanae Takht. ex Reveal (1992) see Order Asterales Link (1829)
         Order Campanulales Juss. ex Bercht. & J.Presl (1820) see Order Asterales Link (1829)
           Family Campanulaceae Juss. (1789), nom. cons. - bellflower family
             Subfamily Campanuloideae Burnett (1835)
               Tribe Prismatocarpeae
                 Genus Prismatocarpus L'Hér. (1789), nom. cons.