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]
                                  
 Phylum Bryophytaᵀ A.Braun (1864) - bryophytes
                                    
 Subphylum Anthocerotophytina Doweld (2001) - hornworts
                                      
 Class Anthocerotopsidaᵀ Jancz. (1872) - hornworts
                                        
 Subclass Anthocerotidaeᵀ Engl. (1893) [monotypic]
                                          
 Order Anthocerotalesᵀ Limpr. (1877) [monotypic]
                                            
 Family Anthocerotaceaeᵀ Dumort.
                                              
 Genus Anthocerosᵀ L. (1753)
                                                
 Anthoceros punctatus L.