| WebNameShort | |
| Nitzschia intermedia f. densestriata Guermeur 1954 |
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| Nitzschia obtusa f. lata Guermeur 1954 |
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| Nitzschia pseudotropica Guermeur 1954 |
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| Nitzschia rufisquiana Guermeur 1954 |
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| Nitzschia subingenua Guermeur 1954 |
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| Nitzschia subinvisitata Guermeur 1954 |
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| Nitzschia subtropica Guermeur 1954 |
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| Nitzschia tamnaeana Guermeur 1954 |
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| Nitzschia thermalis var. robusta Guermeur 1954 |
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| Pinnularia acrosphaeria var. dubia Guermeur 1954 |
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| Pinnularia gibba f. parva Guermeur 1954 |
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| Pinnularia graciloides (gracilioides) f. minuta Guermeur 1954 |
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| Pinnularia interrupta f. mesolepta Guermeur 1954 |
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| Pinnularia similis f. constricta Guermeur 1954 |
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| Stauroneis dakariense Guermeur 1954 |
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| Stauroneis manguini Guermeur 1954 |
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| Stauroneis phoenicenteron f. capitata Guermeur 1954 |
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| Stauroneis senegalensis Guermeur 1954 |
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| Stauroneis subdahomensis Guermeur 1954 |
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| Stauroneis subdahomensis var. lanceolata Guermeur 1954 |
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