| WebNameShort | |
| Navicula fasciculata (Grunow in Cleve & Möller) M. Peragallo 1903 |
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| Navicula flexuosa (Cleve) M. Peragallo 1903 |
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| Navicula floridana (Cleve) M. Peragallo 1903 |
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| Navicula foerarmensis (foerarnensis) M. Peragallo 1903 |
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| Navicula forficula (forcicula) (O'Meara) M. Peragallo 1903 |
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| Navicula formosa var. interrupta (Cleve) M. Peragallo 1903 |
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| Navicula formosa var. quadrilineata (Grunow in Cleve & Möller) M. Peragallo 1903 |
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| Navicula franconiana (franconica) (Reinsch; Rabenhorst) M. Peragallo 1903 |
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| Navicula frater (Cleve) M. Peragallo 1903 |
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| Navicula gracilis var. acuminata (Brun) M. Peragallo 1903 |
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| Navicula grevillei var. comoides (Agardh) M. Peragallo 1903 |
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| Navicula groenlandica (Østrup) M. Peragallo 1903 |
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| Navicula hardmaniana (Cleve) M. Peragallo 1903 |
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| Navicula hemiptera var. interrupta (Cleve) M. Peragallo 1903 |
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| Navicula iridis var. luminosa (Brun) M. Peragallo 1903 |
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| Navicula karelia (Cleve) M. Peragallo 1903 |
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| Navicula kariana var. curta (Cleve) M. Peragallo 1903 |
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| Navicula kjellmanii var. cuneata (Østrup) M. Peragallo 1903 |
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| Navicula lacuslemanii (lacus lemani) (Brun) M. Peragallo 1903 |
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| Navicula lagerheimii (A. Cleve) M. Peragallo 1903 |
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