Wojtal, A.Z., Ognjanova–Rumenova, N., Wetzel, C.E., Hinz, F., Piątek, J., Kapetanovic, T., Ector, L. and Buczkó, K. (2014) Diversity of the genus Genkalia (Bacillariophyta) in boreal and mountain lakes – taxonomy, distribution and ecology Fottea, Olomouc 14(2): 225–239