| WebNameShort | |
| Anomoeoneis serians f. thermalis (Grunow in Van Heurck) Hustedt 1930 |
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| Anomoeoneis styriaca (Grunow in Van Heurck) Hustedt 1930 |
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| Anomoeoneis styriaca var. ventricosa (Hustedt) Hustedt 1930 |
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| Biddulphia tridentata ‘Weisse’ according to Hustedt 1930 |
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| Caloneis bacillum var. lancettula (Schulz) Hustedt 1930 |
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| Caloneis ladogensis var. densestriata Hustedt 1930 |
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| Caloneis schumanniana var. lancettula Hustedt 1930 |
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| Caloneis silicula f. curta (Grunow in Van Heurck) Hustedt 1930 |
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| Caloneis silicula var. peisonis Hustedt 1930 |
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| Caloneis zachariasi (Reichelt) Hustedt 1930 |
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| Campylodiscus clypeus var. bicostata (bicostatus) (W. Smith in Roper) Hustedt 1930 |
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| Campylodiscus noricus f. tenera (Mayer) Hustedt 1930 |
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| Cymbella sinuata f. ovata (Hustedt) Hustedt 1930 |
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| Denticula tenuis var. crassula (Naegeli in Kutzing) Hustedt 1930 |
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| Diatoma vulgare var. ovalis (Fricke in Schmidt et al.) Hustedt 1930 |
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| Diatomella balfouriana var. constricta Krasske in Hustedt 1930 |
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| Diploneis pseudovalis (pseudo-ovalis) Hustedt 1930 |
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| Eucocconeis flexella var. alpestris (Brun) Hustedt 1930 |
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| Eunotia arcus var. fallax Hustedt 1930 |
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| Eunotia exigua var. bidens Hustedt 1930 |
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