[organisms] see Clade Biota Wagner 2004 [Wiemann, de Queiroz, Rowe, Planavsky, Anderson, Gogarten, Turner & Gauthier 2020]
   Domain Bacteria Woese et al. 1990 stat. inval. see Domain Bacteria Woese et al. 2024
     Phylum "Cyanobacteria" (ex Stanier 1974) Cavalier-Smith 2002 stat. inval. - cyanobacteria see Phylum Cyanobacteriota Oren et al. 2022
       Class "Cyanobacteria" "Stanier 1974" nom. inval. see Class Chroococcophyceae Hollerbach et al. 1953
         Family Family 4.1 nom. inval.
           Genus "Nostoc" Vaucher ex Bornet and Flahault 1886 nom. inval. see Genus Nostoc Vaucher ex Bornet and Flahault 1886
             1 "Nostoc"
             2 "Nostoc commune" [ICNB] see Nostoc commune Vaucher ex Bornet & Flahault 1888 [ICBN]
             3 "Nostoc muscorum" [ICNB] see Nostoc muscorum C.Agardh [ICBN]
             4 "Nostoc punctiforme" [ICNB] see Nostoc punctiforme (Kütz.) ex Hariot (1891)