| WebNameShort | |
| Navicula americana f. lignitica Hustedt 1961 |
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| Navicula americana f. minor (M. Peragallo & Héribaud in Héribaud) Hustedt 1961 |
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| Navicula bachmannii Hustedt 1961 |
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| Navicula bacillum f. genuina Hustedt 1961 |
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| Navicula bacillum f. gregoryana (Cleve & Grunow) Hustedt 1961 |
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| Navicula bacillum f. lanceolata (Østrup) Hustedt 1961 |
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| Navicula completa Hustedt 1961 |
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| Navicula crucigeriformis Hustedt 1961 |
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| Navicula crucigeroides Hustedt 1961 |
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| Navicula crystallina Hustedt 1961 |
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| Navicula cuspidata f. genuina Hustedt 1961 |
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| Navicula deliberata Hustedt 1961 |
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| Navicula disjuncta f. anglica Hustedt 1961 |
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| Navicula dubitanda Hustedt & Kolbe in Hustedt 1961 |
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| Navicula egregia f. fennica Hustedt 1961 |
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| Navicula fasciculata (Grunow) Hustedt 1961 |
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| Navicula fracta Hustedt 1961 |
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| Navicula gigantea Hustedt 1961 |
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| Navicula halophila var. reducta Hustedt 1961 |
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| Navicula halophila f. subcapitata (Østrup) Hustedt 1961 |
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