Guiry, M.D. & Guiry, G.M. (2025). AlgaeBase. World-wide electronic publication, National University of Ireland, Galway (taxonomic information republished from AlgaeBase with permission of M.D. Guiry).
Phormidesmis nigrescens (Komarek) Raabová, L.Kovacik, Elster & Strunecký, 2019. Accessed through: RAS (Eds.) (2025) Register of Antarctic Species at: https://ras.biodiversity.aq/aphia.php/www.pfeil-verlag.de/04biol/rest/aphia.php?p=taxdetails&id=1341826 on 2025-09-12
RAS (Eds.) (2025). Register of Antarctic Species.
Phormidesmis nigrescens (Komarek) Raabová, L.Kovacik, Elster & Strunecký, 2019. Accessed at: https://ras.biodiversity.aq/aphia.php?p=taxdetails&id=1341826 on 2025-09-12