1. Species Karenia brevis (C.C.Davis) Gert Hansen & Moestrup, 2000
2. Species Karenia brevisulcata (F.H.Chang) Gert Hansen & Moestrup, 2000
3. Species Karenia longicanalis Z.B.Yang, I.J.Hodgkiss & Gert Hansen, 2001
4. Species Karenia mikimotoi (Miyake & Kominami ex Oda) Gert Hansen & Moestrup, 2000
5. Species Karenia papilionacea A.J.Haywood & K.A.Steidinger, 2004
6. Species Karenia aureola (E.M.Hulbert) S.-Y.Cho, J.-S.Ki & M.-S.Han, 2008 accepted as Gymnodinium aureolum (E.M.Hulburt) Gert Hansen, 2000
7. Species Karenia umbella Salas, Bolch & Hallegraeff, 2004 accepted as Karenia longicanalis Z.B.Yang, I.J.Hodgkiss & Gert Hansen, 2001

marine

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). Karenia G.Hansen & Moestrup, 2000. Accessed through: Costello, M. J.; Ahyong, S.; Bieler, R.; Boudouresque, C.; Desiderato, A.; Downey, R.; Galil, B. S.; Gollasch, S.; Hutchings, P.; Kamburska, L.; Katsanevakis, S.; Kupriyanova, E.; Lejeusne, C.; Ma, K. C. K.; Marchini, A.; Occhipinti, A.; Pagad, S.; Panov, V. E.; Poore, G. C. B.; Rewicz, T.; Robinson, T. B.; Rius, M.; Sobczyk, R.; Stern, N.; Turon, X.; Valls Domedel, G.; Verleye, T.; Vieira, L. M.; Willan, R. C.; Yeo Chong Jinn, D.; Zhan, A. (2025) World Register of Introduced Marine Species (WRiMS) at: https://www.marinespecies.org/introduced%20/aphia.php?p=taxdetails&id=231788 on 2025-06-06

Costello, M. J.; Ahyong, S.; Bieler, R.; Boudouresque, C.; Desiderato, A.; Downey, R.; Galil, B. S.; Gollasch, S.; Hutchings, P.; Kamburska, L.; Katsanevakis, S.; Kupriyanova, E.; Lejeusne, C.; Ma, K. C. K.; Marchini, A.; Occhipinti, A.; Pagad, S.; Pino, L.; Poore, G. C. B.; Rewicz, T.; Rius, M.; Robinson, T. B.; Sobczyk, R.; Stępień, A.; Turon, X.; Valls Domedel, G.; Verleye, T.; Vieira, L. M.; Willan, R. C.; Zhan, A. (2025). World Register of Introduced Marine Species (WRiMS). Karenia G.Hansen & Moestrup, 2000. Accessed at: https://marinespecies.org/Introduced/aphia.php?p=taxdetails&id=231788 on 2025-06-06

[taxonomic tree]