living organisms see Clade Biota Wagner 2004 [Wiemann, de Queiroz, Rowe, Planavsky, Anderson, Gogarten, Turner & Gauthier 2020]
   Superkingdom Prokaryotae see Superkingdom Prokarya
     Kingdom Monera Haeckel 1866 see Domain Bacteria Woese et al. 1990
       Division Cyanophycota see Phylum Cyanobacteria (ex Stanier 1974) Cavalier-Smith 2002
         Class Cyanophyceae Schaffner (1909) see Class Cyanobacteria Cavalier-Smith, 2002
           Order Chroococcales Wettst. (1924)
             Family Chroococcaceae Nägeli (1849)
               Genus Microcystis Lemmerm. (1907), nom. cons.
                 Microcystis aeruginosa (F.T. Kützing 1833) Lemmerm. 1907 typ. cons. [ICBN]