Phylum Magnoliophyta Cronquist, Takht. & Zimmerm. ex Reveal (1996) see Infraphylum Angiospermae auct.
   Class Magnoliopsida Brongn. (1843)
     Subclass Dilleniidae Takht. ex Reveal & Tahkt. (1993) see Order Dilleniales DC. ex Bercht. & J.Presl (1820)
       Superorder Primulanae R.Dahlgren ex Reveal (1996) see Order Ericales Bercht. & J.Presl (1820)
         Order Primulales Dumort. (1829) see Order Ericales Bercht. & J.Presl (1820)
           Family Primulaceae Batsch ex Borkh. (1797), nom. cons. - primrose family
             Tribe Primuleae Dumort.
               Genus Hottonia L. (1753)