| WebNameShort | |
| Pinnularia mesolepta var. constricta (Grunow) Gutwinski 1891 |
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| Pinnularia mesolepta var. producta (Grunow) Gutwinski 1891 |
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| Pinnularia mesolepta var. stauroneiformis (Grunow) Gutwinski 1891 |
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| Pinnularia oblonga var. lanceolata (Grunow) Gutwinski 1891 |
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| Pinnularia stauroptera var. gracilis (Grunow) Gutwinski 1891 |
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| Campylodiscus spiralis (Kützing) Gutwinski 1891 |
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| Pinnularia gibba var. peckii (Rabenhorst) Gutwinski 1891 |
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| Synedra capitata var. hastata (Rabenhorst) Gutwinski 1891 |
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| Navicula tumida var. anglica (Ralfs in Pritchard) Gutwinski 1891 |
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| Denticula thermalis var. minor Gutwinski 1891 |
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| Navicula rhynchocephala (rhyncocephala) f. schumanni Gutwinski 1891 |
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| Nitzschia amphioxys var. genuina Gutwinski 1891 |
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| Orthosira arenaria var. typica Gutwinski 1891 |
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| Pinnularia gibba var. major Gutwinski 1891 |
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| Pinnularia oculata Gutwinski 1891 |
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| Pinnularia oculata var. atomus Gutwinski 1891 |
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| Synedra capitata var. typica Gutwinski 1891 |
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| Synedra sceptrum var. mesolepta Gutwinski 1891 |
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