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
                                  
 Order Bryopsidales J.H.Schaffn. (1922)
                                    
 Family Halimedaceae Link
                                      
 Genus Halimedaᵀ J.V.Lamour. (1812), nom. cons., orth. cons.
                                        
 01 Halimeda bikiniensis W.R. Taylor
                                        
 02 Halimeda borneensis W.R. Taylor
                                        
 03 Halimeda cereidesmis Kraft
                                        
 04 Halimeda copiosa Goreau & E.A. Graham
                                        
 05 Halimeda cryptica Colinvaux & E.A. Graham (1964)
                                        
 06 Halimeda cuneata K. Hering
                                        
 07 Halimeda cylindracea Decaisne
                                        
 08 Halimeda discoidea Decaisne (1842)
                                        
 09 Halimeda distorta (Yamada, 1941) L.W. Hillis-Colinvaux (1968)
                                        
 10 Halimeda favulosa M.A. Howe
                                        
 11 Halimeda floridiana O.N. Dragastan et al.
                                        
 12 Halimeda fragilis W.R. Taylor
                                        
 13 Halimeda gigas W.R. Taylor
                                        
 14 Halimeda goreaui W.R. Taylor
                                        
 15 Halimeda gracilis Harvey ex J.Agardh
                                        
 16 Halimeda hederacea (Barton) Colinvaux
                                        
 17 Halimeda heteromorpha A.D.R. N'Yeurt, in H. Verbruggen et al. (2006)
                                        
 18 Halimeda howensis Kraft & J.M. Noble
                                        
 19 Halimeda hummii D.L. Ballantine
                                        
 20 Halimeda incrassata (J. Ellis) J.V.Lamour.
                                        
 21 Halimeda kanaloana P. Vroom, in H. Verbruggen et al. (2006)
                                        
 22 Halimeda lacrimosa M.A. Howe
                                        
 23 Halimeda lacunalis W.R. Taylor
                                        
 24 Halimeda macroloba Decaisne
                                        
 25 Halimeda macrophysa Askenasy
                                        
 26 Halimeda magnidisca J.M. Noble
                                        
 27 Halimeda melanesica Valet
                                        
 28 Halimeda micronesica Yamada
                                        
 29 Halimeda minima (W.R. Taylor, 1950) L.W. Hillis-Colinvaux (1968)
                                        
 30 Halimeda monile (J. Ellis & Solander) J.V.Lamour.
                                        
 31.1 Halimeda opuntia (L.) J.V.Lamour. (1812)
                                        
 31.2 Halimeda renschii F. Hauck (1886)
                                        
 32 Halimeda papyracea Zanardini
                                        
 33 Halimeda peltata
                                        
 34 Halimeda pumila Verbruggen et al.
                                        
 35 Halimeda pygmaea Verbruggen et al.
                                        
 36 Halimeda rectangularis J.Agardh
                                        
 37 Halimeda scabra M.A. Howe
                                        
 38 Halimeda simulans M.A. Howe
                                        
 39 Halimeda stuposa W.R. Taylor
                                        
 40 Halimeda taenicola W.R. Taylor
                                        
 41 Halimeda tuna (J. Ellis & Solander) J.V.Lamour. (1816)
                                        
 42 Halimeda velasquezii W.R. Taylor
                                        
 43 Halimeda xishaensis C.K. Tseng & Dong