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Morales, E. A.; Ector, L.; Fernández, E.; Novais, M. H.; Hlúbiková, D.; Hamilton, P. B.; Blanco, S.; Vis, M. L.; Kociolek, J. P. (2011). The genus Achnanthidium Kütz. (Achnanthales, Bacillariophyceae) in Bolivian streams: a report of taxa found in recent investigations. Algological Studies. 136(1): 89-130.