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 Leptolyngbyales Strunecký & Mareš (2023) [paraphyletic]] see Order Leptolyngbyales Strunecký and Mareš 2023
                     [Family Leptolyngbyaceaeᵀ Komárek, J. Kaštovský, J. Mareš & J.R.Johans. (2014) [sister group to excluded taxa]] see Family Leptolyngbyaceae (Anagnostidis and Komárek 1988) Komárek et al. 2014
                       ?[Genus Planktolyngbya Anagn. & Komárek (1988)] see Genus Planktolyngbya Anagnostidis and Komárek 1988
                         Planktolyngbya brevicellularis Cronberg and Komárek 1994
                         Planktolyngbya contorta (E. Lemmermann) K. Anagnostidis and J. Komárek 1988
                         Planktolyngbya crassa J. Komárková-Legnerová and G. Cronberg 1992
                         Planktolyngbya limnetica (E. Lemmermann) J. Komárková-Legnerová and G. Cronberg 1992
                         [Planktolyngbya spirulinoides Umezaki and Watanabe 1994] see Limnothrix pseudospirulina (A. Pascher) Anagn. (2001)
                         Planktolyngbya subtilis (W. West) K. Anagnostidis and J. Komárek 1988
                         Planktolyngbya undulata Komárek and Kling 1991