| WebNameShort | |
| Achnanthes groenlandica f. meridiana Giffen 1973 |
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| Amphora helenensis Giffen 1973 |
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| Licmophora partita Giffen 1973 |
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| Navicula assuloides Giffen 1973 |
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| Navicula dehissa Giffen 1973 |
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| Navicula nasuta Giffen 1973 |
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| Nitzschia aestatis Giffen 1973 |
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| Nitzschia cacumina Giffen 1973 |
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| Nitzschia proceroides Giffen 1973 |
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| Nitzschia sibula Giffen 1973 |
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| Nitzschia steenbergensis Giffen 1973 |
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| Nitzschia vulpeculoides Giffen 1973 |
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