Guiry, M.D. & Guiry, G.M. (2024). AlgaeBase. World-wide electronic publication, National University of Ireland, Galway (taxonomic information republished from AlgaeBase with permission of M.D. Guiry).
Nostoc sphaericum Vaucher ex Bornet & Flahault, 1886. Accessed through: RAS (Eds.) (2024) Register of Antarctic Species at: https://ras.biodiversity.aq/aphia.php?p=taxdetails&id=609474 on 2024-04-25
RAS (Eds.) (2024). Register of Antarctic Species.
Nostoc sphaericum Vaucher ex Bornet & Flahault, 1886. Accessed at: https://ras.biodiversity.aq/aphia.php?p=taxdetails&id=609474 on 2024-04-25