Natura - nature
   actualia - actual entities
     Mundus Plinius - physical world
       naturalia - natural bodies
         [crown] 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)
                               [crown] Clade Phragmoplastophyta Lecointre & Le Guyader 2006 [Hall, McCourt, Delwiche, Mishler & Karol 2020]
                                 Phylum Charophytaᵀ Migula (1889) [monotypic]
                                   Order Desmidiales - placoderm desmids
                                     Family Desmidiaceaeᵀ Kützing ex Ralfs (1845)
                                       Genus Staurastrum Meyen ex Ralfs (1848)
                                         Staurastrum flagriforme
                                         Staurastrum gracile Ralfs
                                         Staurastrum jonsonii
                                         Staurastrum leptacanthum
                                         Staurastrum leptocladum
                                         Staurastrum longipes
                                         Staurastrum novaecaesareae
                                         Staurastrum paradoxum Meyen ex Ralfs
                                         Staurastrum polonicum
                                         Staurastrum pseudopachyrhynchum
                                         Staurastrum pseudosebaldi
                                         Staurastrum sebaldi Reinsch
                                         Staurastrum subanchora
                                         Staurastrum subophiura
                                         Staurastrum tectum