| WebNameShort | |
| Navicula umtentwenica Cholnoky 1960 |
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| Navicula zonula Cholnoky 1960 |
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| Nitzschia custodis Cholnoky 1960 |
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| Nitzschia examinanda Cholnoky 1960 |
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| Nitzschia goetzeana var. natalensis Cholnoky 1960 |
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| Nitzschia lagunae Cholnoky 1960 |
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| Nitzschia lionella Cholnoky 1960 |
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| Nitzschia natalensis Cholnoky 1960 |
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| Nitzschia nereidis Cholnoky 1960 |
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| Nitzschia perindistincta Cholnoky 1960 |
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| Nitzschia pubens Cholnoky 1960 |
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| Nitzschia rufitorrentis Cholnoky 1960 |
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| Nitzschia subodiosa Cholnoky 1960 |
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| Nitzschia subpunctata Cholnoky 1960 |
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| Pinnularia borealis var. constricta (Zanon) Cholnoky 1960 |
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| Pinnularia elongatoides Cholnoky 1960 |
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| Pinnularia graciloides (gracilioides) var. zululandica Cholnoky 1960 |
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| Pinnularia kaffrorum Cholnoky 1960 |
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| Pyxidicula africana Cholnoky 1960 |
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| Surirella ignota Cholnoky 1960 |
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