[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 Cyanophyta Geitler (1925)
       Class Cyanophyceae Hauck (1885) see Class Chroococcophyceae Hollerbach et al. 1953