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
                             Infrakingdom Streptophyta Caval.-Sm. (1993)
                               ["charophytes" [paraphyletic]] see Phylum Charophyta Migula (1889)
                                 [Class "Zygnematophyceae" C.Hoek, D.G.Mann & H.M. Jahns (1995), nom. inval., sedis mutabilis - conjugating green algae] see Class Zygnematophyceae Round ex Guiry (2013)
                                   1 ["Zygnema clade"] see Order Zygnematales
                                   2 "Spirogyra-Spirogonium clade"