Natura - nature actualia - actual entities Mundus Plinius - physical world naturalia - natural bodies Clade Biota Wagner 2004 [Wiemann, de Queiroz, Rowe, Planavsky, Anderson, Gogarten, Turner & Gauthier 2020] Domain Bacteria Woese et al. 2024 Kingdom Bacillatiᵀ (Gibbons and Murray 1978) Oren and Göker 2024 [Phylum Cyanobacteria Garcia-Pichel et al. (2020)] see Phylum Cyanobacteriota Oren et al. 2022 [Class Cyanophyceae Hauck (1885)] see Class Chroococcophyceae Hollerbach et al. 1953 [Order Oscillatoriales Schaffner (1922), sedis mutabilis] see Order Oscillatoriales Schaffner 1922 [Family Oscillatoriaceaeᵀ Engl. (1898), nom. cons.] see Family Oscillatoriaceae Engler 1898 nom. cons. ?[Genus Phormidium Kütz. ex Gomont (1892)] see Genus Phormidium Kützing ex Gomont 1892 Phormidium ambiguum Gomont 1892-1893[1893] [Phormidium amphibium (C.A. Agardh ex M. Gomont) K. Anagnostidis and J. Komárek 1988] see Geitlerinema amphibium (C.A. Agardh ex M. Gomont) K. Anagnostidis 1989 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 Kütz. (1843) Phormidium willei (N.L. Gardner) K. Anagnostidis and J. Komárek 1988