Balech, E. (1994), Three new species of the genus Alexandrium. Transactions of the American Microscopical Society 113(2): 220, figs 12–15 [tax. nov.]

• Type locality: Spain (Ria de Vogo, Galicia)

ABRS (2008), Australian Algal Name Index Edn. 2008: - [secondary reference]

• Comment: Invalidly described in 1991
• Habit: Planktonic, Toxic strains
• Graphic: Hallegraeff et al 1991:figs 10-16
• Habitat: Neritic, Benthic

Hallegraeff, G.M., Bolch, C.J.S., Huisman, J.M. & de Salas, M.F. (2010), Planktonic dinoflagellates. Algae of Australia: Phytoplankton of Temperate Coastal Waters: 145–212 [secondary reference]

McCarthy, P. (Comp.) (2012), Census of Australian Marine Dinoflagellates: - [secondary reference]

• APC Comment: P.McCarthy (2012) uses this taxon concept.

Algal Subcommittee (2020), CHAH Algal Subcommittee: - AAL [secondary reference]

orthographic variant: Alexandrium margalefi Balech orth. var.

• Distribution: Common in southern Australian coastal waters during warmer months; River Derwent and Georges Bay (Tas.), Bass Strait, Port Phillip Bay (Vic.) and Port Lincoln (S.A.)

---