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By: Parsons, Michael L. - Okolodkov, I︠U︡riĭ B - Aké-Castillo, José AntolínType: ArticleIn: Acta botánica mexicanaVolume:Series:Issue:Date: 2012-01-01Page Range:Publication Info:Subjects: amnesic shellfish poisoning Diatoms Gulf of Mexico Morphology new records Pseudo-nitzschia taxonomy Veracruz