| WebNameShort | |
| Actinoneis clevei var. rostrata Mayer 1931 |
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| Caloneis silicula var. truncatula (Grunow in Van Heurck) Mayer 1931 |
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| Cymbella helvetica f. ornata Mayer 1931 |
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| Cymbella moelleriana Mayer 1931 |
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| Fragilaria woerthensis Mayer 1931 |
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| Navicula rossiana Mayer 1931 |
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| Pinnularia incommoda Mayer 1931 |
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| Pinnularia major (maior) var. woerthensis Mayer 1931 |
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| Pinnularia viridis f. sudetica (Hilse) Mayer 1931 |
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| Pinnularia viridis var. undulata Mayer 1931 |
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| Pleurostauron (Pleurostaurum) smithii var. lanceolatum Mayer 1931 |
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| Stauroneis smithii var. lanceolata Mayer 1931 |
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