organisms see Clade Biota Wagner 2004 [Wiemann, de Queiroz, Rowe, Planavsky, Anderson, Gogarten, Turner & Gauthier 2020] Domain Eukaryota Chatton, 1925 - eukaryotes Kingdom Plantae Haeckel (1866) - plants Subkingdom Viridaeplantae Cavalier-Sm. (1981) - green plants see [unranked] Viridiplantae Cavalier-Smith, 1981 Phylum Chlorophyta Pascher (1914) - green algae a Class Prasinophyceae T. Christensen, 1962 ex Ø. Moestrup & J. Throndsen (1988) - prasinophytes see [unranked] prasinophytes b Class Charophyceae Rabenh. (1863) - stoneworts c Class Chlorophyceae Wille (1884) - chlorophytes d Class Ulvophyceae K.R. Mattox & K.D. Stewart (1984) - ulvophytes