new combination referenceKrammer, K. & Lange-Bertalot, H. (1991). Bacillariophyceae 3. Teil: Centrales, Fragilariaceae, Eunotiaceae. In: H. Ettl et al., Suesswasserflora von Mitteleuropa. VEB Gustav Fisher Verlag, Jena, 2(3): 1-576, 166 pls., 2180 figs. page(s): p. 15 [details]