VAN DE VIJVER, Bart, Tanja M. SCHUSTER, Wolf-Henning KUSBER, Bryan KENNEDY, Paul B. HAMILTON, Raino-Lars ALBERT, Petra BALLINGS, Carlos E. WETZEL & Luc ECTOR 2021 (Aug. 26) '2022' Revision of European Brachysira species (Brachysiraceae, Bacillariophyta): III. Species formerly included in the Brachysira serians-complex Botany Letters 169(1): 83-105, 210 figs., 1 table