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Witkowski, A., Lange-Bertalot, H., Kociolek, J.P., Ruppel, M., Wawrzyniak-Wydrowska, B., Bak, M. & Brzezinska, A. (2004). Four new species of Nitzschia sect. Tryblionella (Bacillariophyta) resembling N. parvula. Phycologia, 43(5): 579-595