[organisms] see Clade Biota Wagner 2004 [Wiemann, de Queiroz, Rowe, Planavsky, Anderson, Gogarten, Turner & Gauthier 2020]
   Kingdom Plantae Haeckel (1866) - plants
     Division Tracheophyta see Phylum Tracheophyta Sinnott ex Caval.-Sm. (1998)
       Subdivision Spermatophytina see Subphylum Spermatophytina Caval.-Sm. (1998)
         Class Angiospermae Lindl. (1830) see Subdivision Angiospermae J. Lindley (1830)
           Subclass Dicotyledonae
             Superorder Asteridae
               Order Gentianales Juss. ex Bercht. & J.Presl (1820)
                 1 Family Loganiaceae R.Br. ex Mart. (1827), nom. cons. - butterfly-bush family
                 2 Family Gentianaceae Juss. (1789), nom. cons. - gentian family
                 3 Family Apocynaceae Juss. (1789), nom. cons. - dogbane family
                 4 Family Asclepiadaceae Borkh. (1797), nom. cons. see Subfamily Asclepiadoideae Burnett
                 5 Family Oleaceae Hoffmanns. & Link (1809), nom. cons. - olive family