Natura - nature
   actualia - actual entities
     Mundus Plinius - physical world
       naturalia - natural bodies
         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)
                               Clade Phragmoplastophyta Lecointre & Le Guyader 2006 [Hall, McCourt, Delwiche, Mishler & Karol 2020]
                                 Clade Embryophytaᵀ Engler 1887 [Mishler & Qiu 2020]
                                   Clade Pan-Tracheophytaᵀ Cantino & Donoghue 2007 [Cantino & Donoghue 2020]
                                     Clade Apo-Tracheophytaᵀ Cantino & Donoghue 2007 [Cantino & Donoghue 2020]
                                       [crown] Phylum Tracheophytaᵀ Sinnott ex Caval.-Sm. (1998) - vascular plants
                                         Clade Pan-Lycopodiophytaᵀ Cantino & Donoghue 2007 [Cantino & Donoghue 2020]
                                           [plesion] Class †Drepanophycopsida R.J. Rayner (1984) [monotypic]
                                             Order †Drepanophycalesᵀ Novák (1961)
                                               Family †Asteroxylaceae Kidst. & W.H.Lang (1920)
                                                 Genus †Asteroxylonᵀ Kidst. & Lang (1920)
                                                   †Asteroxylon mackiei Kidst. & Lang (1920)