| Kingdom | Phylum | Class | Order | Family | Genus |
|---|---|---|---|---|---|
| Bacteria | Cyanobacteria | Cyanophyceae | Nostocales | Nostocaceae | Nostoc Vaucher ex Bornet & Flahault, 1886 |
| Rank | Scientific name | Taxonomic status |
|---|---|---|
| variety | Nostoc caeruleum var. caeruleum | accepted |
| variety | Nostoc caeruleum var. planctonicum (V.S.Poretzky & Tschernov) B.A.Whitton | accepted |
Nostoc caeruleum Lyngbye ex Bornet & Flahault. GBIF Backbone Taxonomy. Checklist dataset https://doi.org/10.15468/39omei accessed via biodiversity.aq on 2019-12-04.