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
                            
 Phylum Chlorophyta Pascher (1914) [coordinate rank] - green algae
                              
 "core chlorophytes"
                                
 Class Ulvophyceae K.R. Mattox & K.D. Stewart (1984) - ulvophytes
                                  
 "Ulvales-Ulotrichales"
                                    
 Order Ulvales Blackman & Tansley
                                      
 Family Ulvaceaeᵀ J.V.Lamour. ex Dumort.
                                        
 Genus Ulvaᵀ L. (1753)
                                          
 Ulva bifrons Ardré (1967)
                                          
 Ulva clathrata (Roth) C.Agardh (1811)
                                          
 Ulva compressa L. (1753)
                                          
 Ulva curvata (Kützing) De Toni (1889)
                                          
 Ulva fasciata Delile (1813)
                                          
 Ulva fenestrata Postels & Ruprecht
                                          
 Ulva gigantea (Kützing) Bliding
                                          
 Ulva intestinalis L. (1753)
                                          
 Ulva lactuca L. (1753) - green laver
                                          
 Ulva linearis P.J.L. Dangeard (1957)
                                          
 Ulva linza L. (1753)
                                          
 Ulva neapolitana Bliding
                                          
 Ulva olivascens P.A. Dangeard
                                          
 Ulva pseudocurvata Koeman & van den Hoek (1981)
                                          
 Ulva reticulata Forsskål (1775)
                                          
 Ulva rhacodes (Holmes) Papenfuss (1960)
                                          
 Ulva rigida C.Agardh (1823) - poor man's weather glass
                                          
 Ulva rotundata Bliding
                                          
 Ulva scandinavica Bliding (1968)
                                          
 Ulva taeniata (Setchell) Setchell & N.L.Gardner
                                          
 Ulva uvoides Bory