[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
                       01 Tribe Paliureae Reissek ex Endl. (1840)
                       02 Tribe Colletieae Reissek ex Endl. (1840)
                       03 Tribe Phyliceae Reissek ex Endl. (1840)
                       04 Tribe Gouanieae Rchb. (1837)
                       05 Tribe Pomaderreae
                       06 Tribe Rhamneae
                       07 Tribe Maesopsideae Engl. & Weberb. (1897)
                       08 Tribe Ventilagineae
                       09 Tribe Ampelozizypheae J.E. Richardson (2000)
                       10 Tribe Doerpfeldieae J.E. Richardson (2000)
                       11 Tribe Bathiorhamneae J.E. Richardson (2000)
                       12 Genus Alphitonia Reissek ex Endl. (1840)
                       13 Genus Ceanothus L. (1753)
                       14.1 Genus Colubrina Rich. ex Brongn. (1826), nom. cons.
                       14.2 Genus Lasiodiscus Hook.f. (1862)
                       15 Genus Emmenosperma F.Muell. (1862)