Koren, J.; Danielssen, D.C. (1883). Nye Alcyonider, Gorgonider og Pennatulider tilhorende Norges Fauna. Bergens Museum Skrifter. 2: 1-38, plates 1-13., available online athttps://www.biodiversitylibrary.org/page/6976981 page(s): 6 [details]
McFadden, C.S.; Cordeiro, R.; Williams, G.; van Ofwegen, L. (2024). World List of Octocorallia. Sympodium norvegicum Koren & Danielssen, 1883. Accessed through: Costello, M.J.; Bouchet, P.; Boxshall, G.; Arvanitidis, C.; Appeltans, W. (2024) European Register of Marine Species at: http://www.marbef.org/data/aphia.php?p=taxdetails&id=517821 on 2025-04-07
Costello, M.J.; Bouchet, P.; Boxshall, G.; Arvanitidis, C.; Appeltans, W. (2025). European Register of Marine Species. Sympodium norvegicum Koren & Danielssen, 1883. Accessed at: http://marbef.org/data/aphia.php?p=taxdetails&id=517821 on 2025-04-07
original descriptionKoren, J.; Danielssen, D.C. (1883). Nye Alcyonider, Gorgonider og Pennatulider tilhorende Norges Fauna. Bergens Museum Skrifter. 2: 1-38, plates 1-13., available online athttps://www.biodiversitylibrary.org/page/6976981 page(s): 6 [details]
additional sourceMadsen, F. J. (1944). Octocorallia (Stolonifera - Telestacea - Xeniidae - Alcyonacea - Gorgonacea). The Danish Ingolf-Expedition, Vol. V. Bianco Luno A/S. 5(13): 1-65., available online athttps://www.biodiversitylibrary.org/page/16849046 page(s): 23 [details]
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