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 Chlorophyceae Wille (1884) - chlorophytes
                                   Order Sphaeropleales Luerssen (1877)
                                     Family Hydrodictyaceae Dumort.
                                       Genus Pediastrum F.J.F. Meyen (1829)
                                         Pediastrum boryanum (P.J.F. Turpin, 1820) G. Meneghini, 1840 ex Ralfs
                                           01 Pediastrum boryanum var. australe Playfair
                                           02 Pediastrum boryanum var. boryanumᵀ (P.J.F. Turpin, 1820) G. Meneghini (1840)
                                           03 Pediastrum boryanum var. brevicorne A.K.H. Braun (1855)
                                           04 Pediastrum boryanum var. capitatum Playfair
                                           05 Pediastrum boryanum var. cornutum (Raciborski, 1889) J. Sulek (1969)
                                           06 Pediastrum boryanum var. integriforme Hansgirg
                                           07 Pediastrum boryanum var. subgranulatum
                                           08 Pediastrum boryanum var. ellesmerense H.T. Croasdale (1973)
                                           09 Pediastrum boryanum var. forcipatum (A.K.J. Corda, 1839) R.H. Chodat (1902)
                                           10 Pediastrum boryanum var. granulatum (Kützing) A.Braun
                                           11 Pediastrum boryanum var. haynaldii (Istvanfy) Playfair
                                           12 Pediastrum boryanum var. longicorne Reinsch (1867)
                                           13 Pediastrum boryanum var. rugulosum G.S.West (1907)