Natura - nature
   actualia - actual entities
     Mundus Plinius - physical world
       naturalia - natural bodies
         [crown] Clade Biota Wagner 2004 [Wiemann, de Queiroz, Rowe, Planavsky, Anderson, Gogarten, Turner & Gauthier 2020]
           Clade neomura Cavalier-Smith, 1987
             Domain Eukaryota Chatton, 1925 - eukaryotes
               Clade discaria Cavalier-Smith, 2021
                 Clade natates Cavalier-Smith, 2021
                   Clade photaria Cavalier-Smith, 2021
                     Clade eucorta Cavalier-Smith, 2021
                       Superkingdom Corticata Lankester, 1878 - corticates
                         Kingdom Plantae Haeckel (1866) - plants
                           Subkingdom Viridiplantae Caval.-Sm. (1981) - green plants
                             Phylum Chlorophyta Pascher (1914) [coordinate rank] - green algae
                               "core chlorophytes"
                                 Class Trebouxiophyceae T. Friedl (1995) - trebouxiophytes
                                   Order Trebouxialesᵀ Friedl
                                     Family Trebouxiaceaeᵀ Friedl
                                       Genus Trebouxiaᵀ Puymaly (1924)
                                         01 Trebouxia aggregata (Archibald) Gärtner
                                         02 Trebouxia anticipata Ahmadjian ex Archibald
                                         03 Trebouxia arboricola de Puymaly
                                         04 Trebouxia asymmetrica Friedl & Gärtner
                                         05 Trebouxia cladoniae (Chodat) G.M. Sm.
                                         06 Trebouxia corticola (Archibald) Gärtner
                                         07 Trebouxia crenulata Archibald
                                         08 Trebouxia decolorans Ahmadjian
                                         09 Trebouxia erici Ahmadjian
                                         10 Trebouxia excentrica Archibald
                                         11 Trebouxia flava Archibald
                                         12 Trebouxia galapagensis (Hildreth & Ahmadjian) Gärtner
                                         13 Trebouxia gelatinosa Ahmadjian ex Archibald
                                         14 Trebouxia gigantea (Hildreth & Ahmadjian) Gärtner
                                         15 Trebouxia glomerata (Warén) Ahmadjian
                                         16 Trebouxia higginsiae (Hildreth & Ahmadjian) Gärtner
                                         17 Trebouxia humicola (Treboux) G.S.West & F.E. Fritsch
                                         18 Trebouxia impressa Ahmadjian
                                         19 Trebouxia incrustata Ahmadjian ex Gärtner
                                         20 Trebouxia irregularis Hildreth & Ahmadjian
                                         21 Trebouxia italiana Archibald
                                         22 Trebouxia jamesii (Hildreth & Ahmadjian) Gärtner
                                         23 Trebouxia magna Archibald
                                         24 Trebouxia phycobiontica (E. Tschermak-Woess) E. Tschermak-Woess
                                         25 Trebouxia potteri Ahmadjian ex Gärtner
                                         26 Trebouxia pyriformis Archibald
                                         27 Trebouxia showmanii (Hildreth & Ahmadjian) Gärtner
                                         28 Trebouxia simplex Tschermak-Woess
                                         29 Trebouxia usneae (Hildreth & Ahmadjian) Gärtner