Natura - nature
   actualia - actual entities
     Mundus Plinius - physical world
       naturalia - natural bodies
         Biota Wagner 2004 [Wiemann, de Queiroz, Rowe, Planavsky, Anderson, Gogarten, Turner & Gauthier 2020]
           "neomura" Cavalier-Smith 1987
             Domain Eukaryota Chatton, 1925 - eukaryotes
               neokaryotes Cavalier-Smith 1993 - mitochondrial eukaryotes
                 neozoa Cavalier-Smith 1993
                   Superkingdom Corticata Lankester, 1878
                     Kingdom Plantae Haeckel (1866) - plants
                       Subkingdom Viridiplantae Caval.-Sm. (1981) - green plants
                         Infrakingdom Streptophyta C. Jeffrey (1967)
                           Superphylum Embryophyta
                             "polysporangiophytes"
                               Phylum Tracheophyta Sinnott ex Caval.-Sm. (1998) - vascular plants
                                 Subphylum Euphyllophytina
                                   Infraphylum "Radiatopses" Kenrick & Crane (1997)
                                     "lignophytes"
                                       Class Spermatopsida
                                         "core seed plants"
                                           Subclass Magnoliidae Novák ex Takht. (1967) - angiosperms
                                             "core angiosperms"
                                               "eudicots"
                                                 "core eudicots"
                                                   Superorder Asteranae Takht. (1967)
                                                     "lamiids"
                                                       Order Gentianales Juss. ex Bercht. & J. Presl (1820)
                                                         Family Gentianaceaeᵀ Juss. (1789) - gentian family
                                                           Genus Aliopsis Omer & Qaiser
                                                           Genus Belmontia E.Mey.
                                                           Genus Duplipetala Thiv
                                                           Genus Gyrandra Moq.
                                                           Genus Klackenbergia Kissling
                                                           Genus Kurramiana Omer & Qaiser
                                                           Genus Lapithea Grisebach, in Alph. de Candolle (1845)
                                                           Genus Leiphaimos Schltdl. & Cham.
                                                           Genus Lomatogoniopsis T.N. Ho & S.W. Liu (1980)
                                                           Genus Ophelia D.Don ex G.Don
                                                           Genus Pleurogynella Ikonn.
                                                           Genus Schenkia Griseb.
                                                           1 Genus Voyria Aublet (1775)
                                                           2 Genus Yanomamua J.R. Grant et al. (2006)
                                                           3 Tribe Saccifolieae (Maguire & Pires) L. Struwe et al., in L. Struwe & V.A. Albert (2002)
                                                           4.1 Tribe Exaceae Colla (1835)
                                                           4.2 Tribe Chironieae Dumort. (1827)
                                                           4.3 Tribe Helieae Gilg (1895)
                                                           4.4 Tribe Potalieae Rchb. (1837)
                                                           4.5 Tribe Gentianeaeᵀ Dumort. (1829)