| WebNameShort | |
| Achnanthes danicoides Giffen 1975 |
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| Amphora langebaanae Giffen 1975 |
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| Auliscus sculptus var. rhipis (A. Schmidt) Giffen 1975 |
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| Auliscus sculptus var. strigillatus (A. Schmidt) Giffen 1975 |
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| Campylosira inane Giffen 1975 |
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| Cocconeis deperdita Giffen 1975 |
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| Cymatosira capensis Giffen 1975 |
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| Grammatophora lepida Giffen 1975 |
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| Navicula infirmitata Giffen 1975 |
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| Navicula lusoria Giffen 1975 |
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| Navicula melanocephala Giffen 1975 |
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| Navicula occasa Giffen 1975 |
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| Navicula pseudoinflata Giffen 1975 |
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| Navicula pseudosalinarum Giffen 1975 |
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| Navicula viminoides Giffen 1975 |
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| Nitzschia rorida Giffen 1975 |
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| Plagiogramma appendiculatum Giffen 1975 |
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| Plagiogramma occasum Giffen 1975 |
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