Phylum Magnoliophyta Cronquist, Takht. & Zimmerm. ex Reveal (1996) see Infraphylum Angiospermae auct.
   Class Magnoliopsida Brongn. (1843)
     Subclass Lamiidae Takht. ex Reveal (1993) see [unranked] lamiids
       Superorder Solananae R.Dahlgren ex Reveal (1992) see Order Solanales Juss. ex Bercht. & J.Presl (1820)
         Order Boraginales Juss. ex Bercht. & J.Presl (1820)
           Family Hydrophyllaceae R.Br. (1817), nom. cons. - waterleaf family see Subfamily Hydrophylloideae Burnett
             Tribe Phacelieae Benth. ex A.Gray (1875)
               Genus Wigandia Kunth (1819), nom. cons.