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 Chlorophyceae Wille (1884) - chlorophytes
                                   Order Sphaeropleales Luerssen (1877)
                                     Family Characiaceae (Nägeli) Wittrock
                                       Genus Characiumᵀ A.Braun, in F.T. Kützing (1849)
                                         Characium curvatum
                                         Characium debaryanum
                                         Characium gracilipes
                                         Characium hookeri
                                         Characium operculum
                                         Characium rabenhorstii
                                         Characium stipitatum H. Bachmann (1907)
                                         01.1 Characium acuminatum A.Braun
                                         01.2 Characium acuminatum sensu Fott (1967)
                                         02 Characium ambiguum Hermann
                                         03 Characium angustum A.Braun
                                         04 Characium astipitatum Metting (1980)
                                         05 Characium braunii Brügger (1863)
                                         06 Characium bulgariense
                                         07 Characium cerassiforme B. Eichler & Raciborski
                                         08 Characium conicum Korshikov
                                         09 Characium epipyxis Hermann
                                         10 Characium giganteum (Wolle) De Toni
                                         11 Characium groenlandicum Richter
                                         12 Characium guttula Playfair
                                         13 Characium heteromorphum Reinsch
                                         14 Characium limneticum Lemmermann
                                         15 Characium marinum Kjellman (1883)
                                         16 Characium nasutum Rabenh.
                                         17 Characium obtusum sensu H.L. Skuja (1964)
                                         18 Characium orissicum Philipose
                                         19 Characium ornithocephalum A.Braun
                                         20 Characium ovale Sande Lac. & Suringar
                                         21 Characium polymorphum Printz (1916)
                                         22 Characium prodani Péterfi
                                         23 Characium pseudopyriforme Philipose (1967)
                                         24 Characium pyriforme A.Braun (1855)
                                         25 Characium rostratum Reinhard ex Printz (1914)
                                         26 Characium saccatum
                                         27 Characium sieboldii A.Braun
                                         28 Characium strictum A.Braun
                                         29 Characium subsessile (Wolle) De Toni
                                         30 Characium substrictum C.C. Jao
                                         31 Characium tenue Hermann
                                         32 Characium terrestre Kanthamma
                                         33 Characium urnigerum Herman
                                         34 Characium westianum Printz