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 Chroococcales Ardissone (1887)] see Order Chroococcales corrig. Ardissone 1887
                     [Family Microcystaceae Elenkin (1933), sedis mutabilis] see Family Microcystaceae Elenkin 1933
                       [Genus Woronichinia A.A. Elenkin (1933)] see Genus Woronichinia Elenkin 1933
                         Woronichinia botrys (H. Skuja) J. Komárek and F. Hindák 1988
                         Woronichinia compacta (E. Lemmermann) J. Komárek and F. Hindák 1988
                         Woronichinia delicatula (H. Skuja) J. Komárek and F. Hindák 1988
                         Woronichinia elorantae Komárek and Komárková-Legnerová 1992
                         Woronichinia fremyi (J. Komárek) J. Komárek and F. Hindák 1988
                         Woronichinia fusca (H. Skuja) J. Komárek and F. Hindák 1988
                         Woronichinia karelica J. Komárek and J. Komárková-Legnerová 1992
                         Woronichinia naegeliana (F. Unger) A.A. Elenkin 1933
                         Woronichinia robusta (H. Skuja) J. Komárek and F. Hindák 1988
                         Woronichinia ruzickae Komárek and Hindák 1988
                         Woronichinia tenera (H. Skuja) J. Komárek and F. Hindák 1988