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 Ericanae Takht. (1967) see Order Ericales Bercht. & J.Presl (1820)
         Order Ericales Bercht. & J.Presl (1820)
           Family Ericaceae Juss. (1789), nom. cons. - heath family
             Subfamily Pyroloideae see Tribe Pyroleae
               1 Genus Pyrola L. (1753)
               2 Genus Orthilia Raf. (1840)
               3 Genus Chimaphila Pursh (1813)
               4 Genus Moneses Salisb. ex Gray (1821)