original descriptionLange-Bertalot, H. & Metzeltin, D. (1996). Indicators of oligotrophy - 800 taxa representative of three ecologically distinct lake types, Carbonate buffered - Oligodystrophic - Weakly buffered soft water. In: Lange-Bertalot, H. (ed.), Iconographia Diatomologica. Annotated Diatom Micrographs. Vol. 2. Ecology, Diversity, Taxonomy. Koeltz Scientific Books. Königstein, Germany,, 2: 390 pp. page(s): v. 2: p. 59; pl. 39, fig. 7-8, pl. 119, fig. 3-4 [details]