organisms see Clade Biota Wagner 2004 [Wiemann, de Queiroz, Rowe, Planavsky, Anderson, Gogarten, Turner & Gauthier 2020] Count: 3k;19p;19c;80o;136f; †5p;1c;37o;52f Domain Eukaryota Chatton, 1925 - eukaryotes Count: 2k;18p;19c;77o;136f; †5p;1c;37o;52f Kingdom Plantae Haeckel (1866) - plants Count: 8p;11c;66o;136f; †5p;1c;37o;52f Subkingdom Viridaeplantae Cavalier-Sm. (1981) - green plants see [unranked] Viridiplantae Cavalier-Smith, 1981 Count: 8p;11c;66o;136f; †5p;1c;37o;52f Phylum Chlorophyta Pascher (1914) - green algae Count: [o†o] 4c;12o;9f; †4o;14f Class Charophyceae Rabenh. (1863) - stoneworts Count: [o†o] 3o; †2o;7f 1 Order Charales Lindl. (1836) - stoneworts Count: [†f] †2f 2 Order †Moellerinales H.-N. Lu, I. Soulié-Märsche & Q.-F. Wang (1996) Count: [†f] †1f 3 Order †Sycidiales K. Mädler (1952) Count: [†f] †4f 4 Order Zygnematales - filamentous conjugates and saccoderm desmids Count: - 5 Order Coleochaetales Count: -