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 neokaryotes Cavalier-Smith 1993 - mitochondrial eukaryotes Clade 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