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-Euphyllophytaᵀ Cantino & Donoghue 2007 [Cantino & Donoghue 2020]
                                          
 Clade Euphyllophytaᵀ Lecointre & Le Guyader 2006 [Cantino & Donoghue 2020]
                                            
 Subphylum Polypodiophytinaᵀ Reveal (1996) [monotypic]
                                              
 Class Polypodiopsidaᵀ Cronquist, Takht. & Zimmerm. (1966) - ferns
                                                
 Subclass Polypodiidaeᵀ Cronquist, Takht. & Zimmerm. (1966)
                                                  
 Order Polypodialesᵀ Link (1833) - cathetogyrates
                                                    
 "eupolypods"
                                                      
 Suborder Aspleniineae H.Schneid. & C.J.Rothf. (2016)
                                                        
 Family Blechnaceae Newman (1844) - blechnoids
                                                          
 Subfamily Blechnoideaeᵀ Gasper, V. A. O. Dittrich & Salino
                                                            
 Genus Blechnopsis Sect.Diafnia C.Presl