[organisms] see Clade Biota Wagner 2004 [Wiemann, de Queiroz, Rowe, Planavsky, Anderson, Gogarten, Turner & Gauthier 2020]
   Prokaryota see Domain Prokaryota
     Class Cyanophyceae Schaffner (1909) see Class Cyanobacteria Cavalier-Smith, 2002
       Order Choroococcales Wettstein 1924 see 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]