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 Rosales Bercht. & J.Presl (1820)
           Family Rosaceae Juss. (1789), nom. cons. - rose family
             Subfamily Potentilloideae see Tribe Potentilleae
               Tribe Dryadeae Lam. & DC. (1806)
                 1 Genus Dryas L. (1753)
                 2 Genus Fallugia Endl. (1840)