[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]
               Asteridae Takht. (1967) see Superorder Asteranae Takht. (1967)
                 Lamiids see Clade Lamiidae Takhtajan 1987 [Olmstead, Judd & Cantino 2020]
                   Order Gentianales Juss. ex Bercht. & J.Presl (1820)
                     Family Rubiaceae Juss. (1789), nom. cons. - coffee family
                       Subfamily Rubioideae
                         Tribe Rubieae
                           01 Genus Asperula L. (1753)
                           02 Genus Callipeltis C. Steven (1829)
                           03 Genus Crucianella L. (1753)
                           04 Genus Cruciata Mill. (1754)
                           05 Genus Galium L. (1753)
                           06 Genus Phuopsis (A. Grisebach) Hook.f. (1873)
                           07 Genus Relbunium (Endl.) Hook.f., in Bentham & Hook.f. (1873)
                           08 Genus Rubia L. (1753)
                           09 Genus Sherardia L. (1753)
                           10 Genus Valantia L. (1753)