Algae by this name

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There is a dinoflagellate genus of algae called Alexandrium. Ref: Bravo, I., Garces, E., Diogene, J., Fraga, S., Sampedro, N. & Figueroa, R.I. 2005. Resting cysts of the toxigenic dinoflaginate genus Alexandrium in recent sediments from the Werstern Mediterranean coast, including the first description of cysts of A. kutnerea and A. peruvianum. Eur. J.Phycol. 41: 293 - 302. Osborne 11:05, 16 March 2007 (UTC)Reply

Ancient beacon system needs article, mention

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