Natura - nature actualia - actual entities Mundus Plinius - physical world naturalia - natural bodies [crown] Clade Biota Wagner 2004 [Wiemann, de Queiroz, Rowe, Planavsky, Anderson, Gogarten, Turner & Gauthier 2020] Domain Bacteria Woese et al. 1990 [paraphyletic?] Superphylum Terrabacteria Battistuzzi et al. 2004 Phylum Cyanobacteria (ex Stanier 1974) Cavalier-Smith 2002 - cyanobacteria Class "Cyanobacteria" Cavalier-Smith, 2002 Subclass Oscillatoriophycideae Order Chroococcales Wettst. (1924) Family Microcystaceae Elenkin (1933) Genus Microcystisᵀ Lemmerm. (1907), nom. cons. Microcystis aeruginosaᵀ (F.T. Kützing 1833) Lemmerm. 1907 typ. cons. [ICBN] Microcystis botrys Teiling 1942 Microcystis firma (F.T. Kützing) W. Schmidle 1902 Microcystis flos-aquae (V.B. Wittrock in V.B. Wittrock and O. Nordstedt) O. Kirchner in A. Engler and H. Prantl 1898 Microcystis ichthyoblabe Kützing 1843 Microcystis marginata (G. Meneghini) F.T. Kützing 1845-1849[1846] Microcystis natans E. Lemmermann ex Skuja 1934 Microcystis novacekii (J. Komárek) P. Compère 1974 Microcystis pulverea (H.C. Wood) A. Forti in G.B. De Toni 1907 Microcystis robusta (H.W. Clark) G. Nygaard in C.H. Ostenfeld and G. Nygaard 1925 Microcystis smithii J. Komárek and K. Anagnostidis 1995 Microcystis stagnalis E. Lemmermann 1903 Microcystis viridis (A. Braun) E. Lemmermann 1903 Microcystis wesenbergii (J. Komárek) J. Komárek in N.V. Kondrateva 1968