| WebNameShort | |
| Achnanthes jacobii Manguin 1949 |
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| Achnanthes lanceolata f. fossilis Manguin 1949 |
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| Achnanthes sublevanderi Manguin 1949 |
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| Asterionella vinaninkarenae Manguin 1949 |
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| Cocconeis citrus E. Manguin 1949 |
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| Cyclotella lenoblei E. Manguin 1949 |
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| Cymbella affinis var. primigenia E. Manguin 1949 |
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| Cymbella andranokelyna E. Manguin 1949 |
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| Cymbella andranokelyna f. acuminata E. Manguin 1949 |
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| Cymbella andranokelyna f. acuminata E. Manguin 1949 |
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| Cymbella andranokelyna var. gibbosa E. Manguin 1949 |
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| Cymbella andranokelyna var. incurvata E. Manguin 1949 |
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| Cymbella delauneyi E. Manguin 1949 |
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| Cymbella dubravicensis f. madagascariensis E. Manguin 1949 |
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| Cymbella fonticola f. fossilis E. Manguin 1949 |
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| Cymbella pseudorupicola E. Manguin 1949 |
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| Eunotia ankazondranona Manguin 1949 |
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| Eunotia ankazondranona f. faba Manguin 1949 |
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| Eunotia ankazondranona var. hieroglyphica Manguin 1949 |
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| Eunotia clavata Manguin 1949 |
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