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| Diatoma ehrenbergii var. grande (W. Smith) Brun 1880 |
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| Epithemia turgida var. granulata (Ehrenberg) Brun 1880 |
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| Fragilaria capucina var. contrata (Schumann) Brun 1880 |
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| Gomphonema angustatum var. aequale sensu Brun 1880 |
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| Gomphonema intricatum var. angustata (angustatum) Brun 1880 |
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| Gomphonema subtile sensu Brun 1880 |
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| Grunowia (Grunovia) tabellaria var. capitata Brun 1880 |
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| Himantidium arcus var. majus (W. Smith) Brun 1880 |
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| Himantidium bidens var. diodon (Ehrenberg; Ehrenberg) Brun 1880 |
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| Himantidium pectinale (Ralfs) Brun 1880 |
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| Himantidium polydentula Brun 1880 |
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| Himantidium polyodon (Ehrenberg; Ehrenberg) Brun 1880 |
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| Mastogloia smithii var. lanceolata Brun 1880 |
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| Mastogloia smithii (smithi) var. grevilli (grevillei) (W. Smith) Brun 1880 |
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| Melosira distans var. nivalis (W. Smith) Brun 1880 |
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| Melosira orichalcea sensu Brun 1880 |
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| Melosira orichalcea var. crenulata (Ehrenberg; Thwaites) Brun 1880 |
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| Melosira spinosa (W. Smith) Brun 1880 |
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| Melosira varians var. subflexilis (Kützing) Brun 1880 |
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| Meridion circulare var. constrictum (Ralfs) Brun 1880 |
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