Natura - nature
Ref: C. Linnaeus, 1748: 210
   actualia - actual entities
  Ref: A. Voltolini, 2006: 44 (note 19) [assumed position]
     Mundus Plinius - physical world
    Ref: C. Linnaeus, 1758: 5 [indirect position]; 24 Apr 2014.
       naturalia - natural bodies
      Ref: C. Linnaeus, 1758: 6 [implicit position]
         [[crown] organisms] see Clade Biota Wagner 2004 [Wiemann, de Queiroz, Rowe, Planavsky, Anderson, Gogarten, Turner & Gauthier 2020]
        
           [Domain Eucaryota]
          Ref: A.B. Doweld, 2001: LXVII
             [Subdomain Chlorota Doweld (2001)]
            Ref: A.B. Doweld, 2001: LXVII [new taxon]
               [Kingdom Chlorobiota C.Jeffrey ex Doweld (2001) - plants] see Subkingdom Viridiplantae Caval.-Sm. (1981)
              Ref: A.B. Doweld, 2001: LXXIII [validation]
                 [Subkingdom Pteridobiotina Britton & A. Br. (1896)]
                Ref: A. Novikoff & B. Barabasz-Krasny, 2015: 47
                   Superphylum Pteridophytanaeᵀ Doweld (2001)
                  Ref: A.B. Doweld, 2001: V [new taxon]
                     [Phylum Pteridophytaᵀ Schimp. (1879)] see Phylum Filicinophyta
                    Ref: A.B. Doweld, 2001: IX [new position]