Phylum Magnoliophyta Cronquist, Takht. & Zimmerm. ex Reveal (1996) see Infraphylum Angiospermae auct.
   Class Magnoliopsida Brongn. (1843)
     Subclass Ranunculidae Takht. ex Reveal (1992) see Order Ranunculales Juss. ex Bercht. & J.Presl (1820)
       Superorder Ranunculanae Takht. ex Reveal (1992)
         Order Papaverales Dumort. (1829) see Order Ranunculales Juss. ex Bercht. & J.Presl (1820)
           Family Papaveraceae Juss. (1789), nom. cons. - poppy family
             Subfamily Papaveroideae Eaton
               Tribe Papavereae Dumort. (1827)
                 1 Genus Papaver L. (1753) - poppies
                 2 Genus Roemeria Medikus (1792) - violet horned-poppies
                 3 Genus Stylomecon Taylor (1930)
                 4 Genus Meconopsis L.G.A. Viguier (1814)
                 5 Genus Cathcartia Hook.fil.
                 6 Genus Argemone L. (1753)
                 7 Genus Canbya Parry ex A.Gray (1877)