| WebNameShort | |
| Nitzschia obtusa W. Smith 1853 |
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| Nitzschia parvula W. Smith 1853 |
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| Nitzschia plana W. Smith 1853 |
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| Nitzschia reversa W. Smith 1853 |
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| Nitzschia scalaris (Ehrenberg) W. Smith 1853 |
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| Nitzschia sigma (Kützing) W. Smith 1853 |
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| Nitzschia sigmoidea (Nitzsch) W. Smith 1853 |
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| Nitzschia sigmoidea var. beta W. Smith 1853 |
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| Nitzschia spathulata Brébisson ex W. Smith 1853 |
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| Nitzschia spectabilis W. Smith 1853 |
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| Nitzschia taenia W. Smith 1853 |
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| Nitzschia tenuis W. Smith 1853 |
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| Nitzschia vivax W. Smith 1853 |
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| Pinnularia acrosphaeria (Brébisson) W. Smith 1853 |
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| Pinnularia acuminata W. Smith 1853 |
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| Pinnularia acuta W. Smith 1853 |
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| Pinnularia alpina var. alpina W. Smith 1853 |
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| Pinnularia cardinalis (Ehrenberg) W. Smith 1853 |
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| Pinnularia cyprinus sensu W. Smith 1853 |
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| Pinnularia directa W. Smith 1853 |
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