da Silva, W.J., Jahn, R., Ludwig, T.A.V., Hinz, F. and Menezes, M. (2015) Typification and taxonomic status re-evaluation of 15 taxon names within the species complex Cymbella affinis/tumidula/turgidula (Cymbellaceae, Bacillariophyta) PhytoKeys 53: 1-25