Verrill, A.E. (1883). Report on the Anthozoa, and on some additional species dredged by the "Blake" in 1877-1879, and by the U.S. Fish Commission steamer "Fish Hawk" in 1880-82. <em>Bull. Mus. Comp. Zool. Harvard.</em> 11: 1-72, plates 1-8., available online athttps://www.biodiversitylibrary.org/page/4621758 page(s): 44 [details]
McFadden, C.S.; Cordeiro, R.; Samimi-Namin, K.; Williams, G.; van Ofwegen, L. (2025). World List of Octocorallia. Gersemia longiflora Verrill, 1883. Accessed through: Glover, A.G.; Higgs, N.; Horton, T. (2025) World Register of Deep-Sea species (WoRDSS) at: https://marinespecies.org/deepsea/aphia.php?p=taxdetails&id=517878 on 2026-07-02
Glover, A.G.; Higgs, N.; Horton, T. (2026). World Register of Deep-Sea species (WoRDSS). Gersemia longiflora Verrill, 1883. Accessed at: https://www.marinespecies.org/DeepSea/aphia.php?p=taxdetails&id=517878 on 2026-07-02
original descriptionVerrill, A.E. (1883). Report on the Anthozoa, and on some additional species dredged by the "Blake" in 1877-1879, and by the U.S. Fish Commission steamer "Fish Hawk" in 1880-82. <em>Bull. Mus. Comp. Zool. Harvard.</em> 11: 1-72, plates 1-8., available online athttps://www.biodiversitylibrary.org/page/4621758 page(s): 44 [details]
context source (Deepsea)Intergovernmental Oceanographic Commission (IOC) of UNESCO. The Ocean Biogeographic Information System (OBIS), available online athttp://www.iobis.org/[details]
context source (Hexacorallia)Fautin, Daphne G. (2013). Hexacorallians of the World. (look up in IMIS) [details]
additional sourceMay, W. (1898). Alcyonaceen von Ost-Spitzbergen, nach der Ausbeute der Herren Prof. Dr. W. Kükenthal und Dr. A. Walter im Jahre 1889. <em>Zoologische Jahrbücher (Syst.).</em> 11: 385-404, plate 23., available online athttps://www.biodiversitylibrary.org/page/9984044 page(s): 388 [details]
additional sourceVerrill, A. E. (1922). The Alcyonaria of the Canadian Arctic Expedition, 1913-1918, with a revision of some other Canadian genera and species. Report on the Canadian Arctic Expedition 1913-1918, 8, G, G3-G87, available online athttps://www.biodiversitylibrary.org/page/38351360 page(s): 25, 48, 49, 56, 76 [details]
additional sourceVerrill, A. E. (1922). Report of the Canadian Arctic Expedition 1913-18. <em>Volume III: Mollusks, Echinoderms, Coelenterates, etc. Part G: Alcyonaria and Actiniaria.</em> F. A. Acland, Ottawa, Canada, 165 pp., available online athttps://www.biodiversitylibrary.org/page/38351362 page(s): 48-49 [details]
source of synonymyUtinomi, H. (1961). A revision of the nomenclature of the family Nephtheidae (Octocorallia: Alcyonacea). II. The boreal genera Gersemia, Duva, Drifa and Pseudodrifa (n.g.). <em>Publications of the Seto Marine Biological Laboratory.</em> IX(1): 229-246, pl. XI., available online athttps://repository.kulib.kyoto-u.ac.jp/dspace/bitstream/2433/174655/1/fia0091_229.pdf page(s): 235 [details]
Present Inaccurate Introduced: alien Containing type locality