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 Nemacladaceae Nutt. (1842) see Subfamily Nemacladoideae
             Genus Pseudonemacladus McVaugh (1943)