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 Nostocales Borzì (1914)] see Order Nostocales corrig. Borzì 1914
                     [Family Nostocaceaeᵀ Eichler (1886)] see Family Nostocaceae Eichler 1886
                       [Subfamily Nostocoideaeᵀ] see Family Nostocaceae Eichler (1886)
                         [Genus Stratonostoc Elenkin (1936)] see Genus Nostoc Vaucher ex Bornet & Flahault (1886)
                           [Stratonostoc linckia] see Nostoc linckia (Roth) Bornet and Thur.
                             [Stratonostoc linckia var. calcicola]