| WebNameShort | |
| Synedra acus var. angustissima (Grunow) Otto Müller 1909 |
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| Synedra acus f. mesoleia (Grunow) Otto Müller 1909 |
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| Achnanthes coarctata var. elineata (Lagerstedt) Otto Müller 1909 |
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| Navicula radiosa var. meniscus (Schumann) Otto Müller 1909 |
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| Achnanthidium elineatum ‘Lagerstedt’ in Otto Müller 1909 |
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| Achnanthes inflata var. sigmata Otto Müller 1909 |
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| Achnanthes lanceolata var. capitata Otto Müller 1909 |
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| Caloneis silicula var. brevistriata Otto Müller 1909 |
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| Caloneis silicula var. patagonica Otto Müller 1909 |
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| Caloneis silicula f. semiaperta Otto Müller 1909 |
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| Cymbella borgei Otto Müller 1909 |
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| Cymbella nordenskioeldii Otto Müller 1909 |
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| Cymbella turgida var. obtusa Otto Müller 1909 |
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| Cymbella wittrockii Otto Müller 1909 |
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| Diploneis linearis Otto Müller 1909 |
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| Diploneis ovalis f. elongata Otto Müller 1909 |
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| Diploneis patagonica Otto Müller 1909 |
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| Epithemia argoidea Otto Müller 1909 |
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| Fragilaria patagonica var. rostrata Otto Müller 1909 |
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| Hantzschia amphioxys f. capitata Otto Müller 1909 |
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