| WebNameShort | |
| Cymbella muelleri (mulleri) var. ventralis Zanon 1941 |
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| Epithemia sorex var. ventralis Zanon 1941 |
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| Gomphocymbella aschersonii var. rigida Zanon 1941 |
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| Gomphocymbella brunellii Zanon 1941 |
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| Gomphocymbella vatovae Zanon 1941 |
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| Navicula huei var. africana Zanon 1941 |
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| Navicula humerosa var. africana Zanon 1941 |
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| Nitzschia frustulum var. tumidula Zanon 1941 |
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| Pinnularia lata var. bilineata Zanon 1941 |
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| Rhopalodia gibberula var. gibbosa Zanon 1941 |
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| Rhopalodia gibberula var. imperialis Zanon 1941 |
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| Rhopalodia gibberula var. tumida Zanon 1941 |
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| Schizostauron karstenii Zanon 1941 |
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| Surirella langanae Zanon 1941 |
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| Surirella ovata f. minuta Zanon 1941 |
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