| WebNameShort | |
| Navicula bacilliformis var. genuina Mayer 1919 |
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| Navicula bacilliformis var. neglecta Mayer 1919 |
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| Navicula cincta var. angusta sensu Mayer 1919 |
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| Navicula cincta var. genuina Mayer 1919 |
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| Navicula dicephala var. genuina Mayer 1919 |
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| Navicula dimidiata Mayer 1919 |
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| Navicula graciloides Mayer 1919 |
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| Navicula gregaria var. rostellata Mayer 1919 |
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| Navicula involuta Mayer 1919 |
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| Navicula laeta Mayer 1919 |
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| Navicula peregrina f. acuta Mayer 1919 |
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| Navicula placentula var. genuina Mayer 1919 |
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| Navicula pusio sensu Mayer 1919 |
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| Navicula tuscula var. genuina Mayer 1919 |
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| Navicula tuscula var. rostrata sensu Mayer 1919 |
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| Neidium dubium f. genuinum Mayer 1919 |
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| Neidium dubium var. genuinum Mayer 1919 |
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| Neidium dubium var. peisonis (Grunow) Mayer 1919 |
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| Neidium tenellum Mayer 1919 |
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| Nitzschia amphibia var. genuina Mayer 1919 |
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