| WebNameShort | |
| Achnanthes minutissima f. curta Gutwinski 1895 |
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| Chaetoceros elegans Gutwinski 1895 |
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| Chaetoceros tuberculosus Gutwinski 1895 |
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| Cyclotella lineata var. euglypta Gutwinski 1895 |
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| Cystopleura argus var. genuina Gutwinski 1895 |
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| Cystopleura gibberula var. genuina Gutwinski 1895 |
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| Cystopleura turgida var. genuina (Grunow) Gutwinski 1895 |
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| Cystopleura zebra var. genuina Gutwinski 1895 |
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| Denticula frigida var. inflata Gutwinski 1895 |
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| Eunotia smithii Gutwinski 1895 |
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| Frustulia rhomboides var. obtusa (Grunow) Gutwinski 1895 |
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| Gomphonema intricatum f. subclavatolanceolatum (subclavato-lanceolatum) Gutwinski 1895 |
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| Meridion circulare f. monstrosum Gutwinski 1895 |
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| Nitzschia dissipata var. intermedia Gutwinski 1895 |
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