[Pflanzenreich] see Clade Biota Wagner 2004 [Wiemann, de Queiroz, Rowe, Planavsky, Anderson, Gogarten, Turner & Gauthier 2020] Schizobionta Division Cyanophyta [monotypic] - blue-green algae see Phylum Cyanobacteria (ex Stanier 1974) Cavalier-Smith 2002 Class Cyanophyceae Schaffner (1909) see Class Cyanobacteria Cavalier-Smith, 2002