| WebNameShort | |
| Navicula pfitzeriana O'Meara 1875 |
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| Navicula plumbicolor O'Meara 1875 |
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| Navicula pusilla var. lanceolata (Grunow) O’Meara 1875 |
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| Navicula pygmaea var. cuneata O'Meara 1875 |
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| Navicula richardsoniana O'Meara 1875 |
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| Navicula rostellifera O'Meara 1875 |
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| Navicula rupestris O'Meara 1875 |
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| Navicula scalaris (Ehrenberg) O'Meara 1875 |
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| Navicula schmidtii O’Meara 1875 |
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| Navicula scutellum (O'Meara) O'Meara 1875 |
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| Navicula smithii var. rhombica O’Meara 1875 |
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| Navicula smithii var. subrotunda O'Meara 1875 |
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| Navicula spectabilis var. sub-orbicularis O'Meara 1875 |
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| Navicula stokesiana O'Meara 1875 |
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| Navicula suborbicularis var. forficula (O'Meara) O'Meara 1875 |
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| Navicula suborbicularis var. parva O'Meara 1875 |
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| Navicula tabellaria var. acrosphaeria (Brébisson) O'Meara 1875 |
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| Navicula tenuirostris O'Meara 1875 |
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| Navicula termes (Ehrenberg) O'Meara 1875 |
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| Navicula translucida O'Meara 1875 |
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