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]
                                            
 Clade Pan-Spermatophytaᵀ Cantino & Donoghue 2007 [Cantino, Doyle & Donoghue 2020]
                                              
 Clade Lignophytaᵀ Crane & Kenrick 1997, nom. cl. inval.
                                                
 Clade Apo-Spermatophytaᵀ Cantino & Donoghue 2007 [Cantino, Doyle & Donoghue 2020]
                                                  
 [crown] Subphylum Spermatophytinaᵀ Caval.-Sm. (1998) - seed plants
                                                    
 Clade Pan-Angiospermae Cantino & Donoghue 2007 [Doyle, Cantino & Donoghue 2020]
                                                      
 [crown] Class Magnoliopsidaᵀ Brongn. (1843)
                                                        
 Clade Mesangiospermaeᵀ Donoghue, Doyle & Cantino 2007 [Donoghue, Doyle & Cantino 2020]
                                                          
 Superorder Lilianae Takht. (1967) - monocots
                                                            
 Order Alismatales R.Br. ex Bercht. & J.Presl (1820)
                                                              
 Family Potamogetonaceae Bercht. & J.Presl (1823), nom. cons. - pondweed family
                                                                
 Genus Potamogetonᵀ L. (1753)
                                                                  
 Potamogeton acutifolius Link (1818)
                                                                  
 Potamogeton alpinus Balbis - alpine pondweed
                                                                  
 Potamogeton berchtoldii Fieber (1838)
                                                                  
 Potamogeton coloratus Hornemann
                                                                  
 Potamogeton compressus L.
                                                                  
 Potamogeton crispus L. - curly pondweed
                                                                  
 Potamogeton ×decipiens Koch
                                                                  
 Potamogeton filiformis Pers. - fineleaf pondweed
                                                                  
 Potamogeton ×fluitans Roth (1788)
                                                                  
 Potamogeton gayi A.Benn. (1892)
                                                                  
 Potamogeton gramineus L. - grassy pondweed
                                                                  
 Potamogeton lucens L.
                                                                  
 Potamogeton mucronatus Sonder
                                                                  
 Potamogeton natansᵀ L. - broadleaf pondweed
                                                                  
 Potamogeton nodosus Poiret - longleaf pondweed
                                                                  
 Potamogeton obtusifolius Mert. & W.D.J.Koch - bluntleaf pondweed
                                                                  
 Potamogeton pectinatus L. - sago pondweed
                                                                  
 Potamogeton perfoliatus L. - claspingleaf pondweed
                                                                  
 Potamogeton polygonifolius Pourret - cinnamonspot pondweed
                                                                  
 Potamogeton praelongus Wulfen (1805) - whitestem pondweed
                                                                  
 Potamogeton pusillus L. - baby pondweed
                                                                  
 Potamogeton schweinfurthii A.Benn. (1901)
                                                                  
 Potamogeton ×sparganifolius Fr.
                                                                  
 Potamogeton trichoides Cham. & Schld.
                                                                  
 Potamogeton ×zizii W.D.J.Koch ex Roth