[plants] Haeckel (1866) - plants
   vascular plants see Phylum Tracheophyta Sinnott ex Caval.-Sm. (1998)
     euphyllophytes see Clade Euphyllophyta Lecointre & Le Guyader 2006 [Cantino & Donoghue 2020]
       Spermatophyta Britton & Brown 1896 [Crane & Kenrick 1997], nom. cl. inval. - seed plants see Clade Spermatophyta Britton & Brown 1896 [Cantino, Doyle & Donoghue 2020]
         Class Magnoliopsida Brongn. (1843)
           "Eudicots" see Clade Eudicotyledoneae Donoghue, Doyle & Cantino 2007 [Donoghue, Doyle & Cantino 2020]
             "Core Eudicots" see Clade Gunneridae Soltis, Soltis & Judd 2007 [Soltis, Soltis & Judd 2020]
               Rosidae Takht. (1967) see Superorder Rosanae Takht. (1967)
                 Fabids see Clade Fabidae Judd, Soltis & Soltis 2007 [Judd, Soltis, Soltis & Cantino 2020]
                   Order Rosales Bercht. & J.Presl (1820)
                     Family Rhamnaceae Juss. (1789), nom. cons. - buckthorn family
                       Tribe Paliureae Reissek ex Endl. (1840)
                         1 Genus Hovenia Thunb. (1781)
                         2 Genus Paliurus Mill. (1754)
                         3 Genus Ziziphus Mill. (1754)