| WebNameShort | |
| Navicula obsoleta Hustedt 1945 |
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| Navicula ochridana Hustedt 1945 |
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| Navicula omissa Hustedt 1945 |
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| Navicula oppugnata Hustedt 1945 |
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| Navicula permitis Hustedt 1945 |
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| Navicula placentula var. maculata Hustedt 1945 |
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| Navicula plitvicensis Hustedt 1945 |
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| Navicula praeterita Hustedt 1945 |
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| Navicula rotunda Hustedt 1945 |
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| Navicula stankovici Hustedt 1945 |
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| Navicula subgastriformis Hustedt 1945 |
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| Navicula submitis Hustedt 1945 |
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| Navicula submuralis Hustedt 1945 |
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| Navicula subprocera Hustedt 1945 |
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| Navicula subrotundata Hustedt 1945 |
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| Navicula subsalina f. major Van Heurck 1945 |
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| Navicula ventraloides Hustedt 1945 |
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| Neidium binodis (Ehrenberg) Hustedt 1945 |
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| Nitzschia balcanica Hustedt 1945 |
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| Nitzschia jucunda Hustedt 1945 |
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