| WebNameShort | |
| Navicula nyassensis f. minor Otto Müller 1910 |
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| Navicula obesa Otto Müller 1910 |
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| Navicula perrotettii var. craticularis Otto Müller 1910 |
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| Navicula perrotettii f. minor Otto Müller 1910 |
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| Navicula platycephala Otto Müller 1910 |
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| Navicula pupula f. incerta Otto Müller 1910 |
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| Navicula pupula f. incerta Otto Müller 1910 |
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| Navicula pupula var. major Otto Müller 1910 |
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| Navicula rhynchocephala (rhyncocephala) var. permagna Otto Müller 1910 |
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| Navicula viridula f. major Otto Müller 1910 |
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| Navicula viridula f. minor Otto Müller 1910 |
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| Neidium affine (affinis) f. major Otto Müller 1910 |
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| Neidium affine (affinis) f. media Otto Müller 1910 |
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| Neidium affine (affinis) f. minor Otto Müller 1910 |
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| Pinnularia acrosphaeria f. minor Otto Müller 1910 |
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| Pinnularia borealis f. stauroneiformis Otto Müller 1910 |
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| Schizostauron crucicula Otto Müller 1910 |
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| Schizostauron crucicula f. gracilior Otto Müller 1910 |
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| Schizostauron crucicula f. obtusa Otto Müller 1910 |
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| Schizostauron karstenii Otto Müller 1910 |
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