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 Oscillatorialesᵀ Elenkin (1934) Family Phormidiaceae Anagnostidis & Komárek (1988) Subfamily Phormidioideaeᵀ Genus Phormidiumᵀ F.T. Kützing ex Gomont 1892-1893[1893] Phormidium ambiguum Gomont 1892-1893[1893] Phormidium animale (C.A. Agardh ex M. Gomont) K. Anagnostidis and J. Komárek 1988 Phormidium autumnale (C.A. Agardh) ex M. Gomont 1892-1893[1893] Phormidium breve (F.T. Kützing ex M. Gomont) K. Anagnostidis and J. Komárek 1988 Phormidium chalybeum (Mertens in G.H.B. Jürgens ex M. Gomont) K. Anagnostidis and J. Komárek 1988 Phormidium chlorinum (F.T. Kützing ex M. Gomont) I. Umezaki and M. Watanabe 1994 Phormidium crosbyamum Phormidium favosum (J.B.G.G.M. Bory de Saint-Vincent) ex Gomont 1892-1893[1893] Phormidium formosum (J.B.G.G.M. Bory de Saint-Vincent ex M. Gomont) K. Anagnostidis and J. Komárek 1988 Phormidium fragile (G. Meneghini) M. Gomont in E. Bornet ex M. Gomont 1892-1893[1893] Phormidium hamelii (P. Frémy) K. Anagnostidis and J. Komárek 1988 Phormidium irriguum (F.T. Kützing ex M. Gomont) K. Anagnostidis and J. Komárek 1988 Phormidium jenkelianum G. Schmid 1914 Phormidium konstantinosum Umezaki and Watanabe 1994 Phormidium laetevirens ([P. Crouan and H. Crouan] ex M. Gomont) K. Anagnostidis and J. Komárek 1988 Phormidium lyngbyaceum Kützing 1843 Phormidium molle (F.T. Kützing) ex Gomont 1892-1893[1893] Phormidium nigroviride (G.H.K. Thwaites in W.H. Harvey ex M. Gomont) K. Anagnostidis and J. Komárek 1988 Phormidium okenii (C.A. Agardh ex M. Gomont) K. Anagnostidis and J. Komárek 1988 Phormidium olivaceum L. Rabenh. (1865) Phormidium ornatum (F.T. Kützing ex M. Gomont) K. Anagnostidis and J. Komárek 1988 Phormidium proteus (H. Skuja) I. Umezaki and M. Watanabe 1994 Phormidium simplicissimum (M. Gomont) K. Anagnostidis and J. Komárek 1988 Phormidium subfuscum F.T. Kützing ex M. Gomont 1892-1893[1893] Phormidium tenue Anagnostidis and Komárek Phormidium terebriforme (C.A. Agardh ex M. Gomont) K. Anagnostidis and J. Komárek 1988 Phormidium thwaitesii Umezaki and Watanabe 1994 Phormidium uncinatum (C.A. Agardh) M. Gomont ex Gomont 1892-1893[1893] Phormidium vulgare F.T. Kützing (1843) Phormidium willei (N.L. Gardner) K. Anagnostidis and J. Komárek 1988