Natura - nature
   actualia - actual entities
     Mundus Plinius - physical world
       naturalia - natural bodies
         Biota
           "neomura"
             Domain Eukaryota Chatton, 1925 - eukaryotes
               neokaryotes Cavalier-Smith 1993 - mitochondrial eukaryotes
                 neozoa Cavalier-Smith 1993
                   Superkingdom Corticata Lankester, 1878
                     Kingdom Plantae Haeckel (1866) - plants
                       Subkingdom Viridiplantae Caval.-Sm. (1981) - green plants
                         Infrakingdom Chlorophyta Caval.-Sm. (1993) [monotypic] - green algae
                           Phylum Chlorophytaᵀ Pascher (1914) - green algae
                             "core chlorophytes"
                               1 [Class] Chlorodendrophyceae
                               2.1 Class Trebouxiophyceae T. Friedl (1995) - trebouxiophytes
                               2.2.1.1 Genus Leptosira A. Borzí (1883)
                               2.2.1.2 Class Chlorophyceae Wille (1884) - chlorophytes
                               2.2.2 Class Ulvophyceae K.R. Mattox & K.D. Stewart, in D.E.G. Irvine & D.M. John (1984) - ulvophytes