| WebNameShort | |
| Cymatopleura solea var. regula Mayer 1917 |
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| Cymbella cistula f. recta Mayer 1917 |
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| Cymbella cistula var. recta Mayer 1917 |
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| Cymbella parva var. curta Mayer 1917 |
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| Fragilaria bicapitata var. inflata Mayer 1917 |
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| Gomphonema gracile var. clavicula (claviculatum) Mayer 1917 |
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| Navicula cuspidata var. heribaudi sensu Mayer 1917 |
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| Navicula dicephala var. rostrata Mayer 1917 |
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| Navicula pseudobacillum var. rostrata Mayer 1917 |
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| Neidium iridis var. intercedens Mayer 1917 |
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| Nitzschia vermicularis var. dillingensis Mayer 1917 |
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| Pinnularia microstauron f. minuta Mayer 1917 |
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