| WebNameShort | |
| Achnanthes coarctata var. parallella Venkataraman 1939 |
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| Anomoeoneis sphaerophora f. indica Venkataraman 1939 |
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| Eunotia pectinalis var. gibbulosus Venkataraman 1939 |
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| Eunotia pseudolunaris Venkataraman 1939 |
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| Fragilaria brevistriata f. elongata Venkataraman 1939 |
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| Fragilaria intermedia var. robusta Venkataraman 1939 |
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| Gomphonema sphaerophorum f. subcapitata Venkataraman 1939 |
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| Mastogloia dolosa Venkataraman 1939 |
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| Mastogloia exigua var. brevirostris Venkataraman 1939 |
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| Navicula cuspidata var. conspicua Venkataraman 1939 |
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| Navicula cuspidata var. major Venkataraman 1939 |
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| Navicula lacustris var. major Venkataraman 1939 |
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| Pinnularia braunii f. subconica Venkataraman 1939 |
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| Pinnularia gibba f. undulata Venkataraman 1939 |
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| Pleurosigma galapagense var. kumariensis Venkataraman 1939 |
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| Synedra ulna var. constricta Venkataraman 1939 |
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| Thalassiosira marginata Venkataraman 1939 |
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