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 Rhamnanae Takht. ex Reveal (1992) see Order Rosales Bercht. & J.Presl (1820)
         Order Rhamnales Dumort. (1829) see Order Rosales Bercht. & J.Presl (1820)
           Family Rhamnaceae Juss. (1789), nom. cons. - buckthorn family
             Tribe Zizipheae see Tribe Paliureae Reissek ex Endl. (1840)
               01 Genus Paliurus Mill. (1754)
               02 Genus Ziziphus Mill. (1754)
               03 Genus Condalia Cav. (1799), nom. cons.
               04 Genus Reynosia Grisebach (1866)
               05 Genus Karwinskia Zucc. (1832)
               06 Genus Berchemia Necker ex DC. (1825), nom. cons.
               07 Genus Chaydaia Pitard, in Lecomte (1912) see Genus Rhamnella Miquel (1867)
               08 Genus Berchemiella Nakai (1923)
               09 Genus Rhamnella Miquel (1867)
               10 Genus Krugiodendron Urban (1902)
               11 Genus Rhamnidium Reissek (1861)