| WebNameShort | |
| Eunotia bigibba f. elongata Hustedt 1943 |
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| Melosira distans var. helvetica Hustedt 1943 |
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| Navicula descripta Hustedt 1943 |
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| Navicula detenta Hustedt 1943 |
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| Navicula digitulus Hustedt 1943 |
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| Navicula levanderi Hustedt 1943 |
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| Navicula mutica var. nivalis sensu Hustedt 1943 |
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| Navicula pseudotuscula Hustedt 1943 |
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| Navicula pupula var. capitata Hustedt 1943 |
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| Navicula quadripartita Hustedt 1943 |
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| Navicula schmassmanni Hustedt 1943 |
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| Navicula suchlandtii Hustedt 1943 |
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| Navicula tantula Hustedt 1943 |
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| Navicula ventralis var. simplex Hustedt 1943 |
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| Neidium alpinum Hustedt 1943 |
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| Neidium meisteri Hustedt 1943 |
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| Neidium tenuissimum Hustedt 1943 |
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| Nitzschia alpina Hustedt 1943 |
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| Nitzschia bryophila (Hustedt) Hustedt 1943 |
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| Nitzschia hiemalis Hustedt 1943 |
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