| WebNameShort | |
| Navicula galapagensis var. japonica Cleve in Schmidt et al. 1890 |
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| Navicula intercedens Schmidt in Schmidt et al. 1890 |
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| Navicula mirabilis f. intermedia Cleve in Schmidt et al. 1890 |
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| Navicula musca f. minor Schmidt in Schmidt et al. 1890 |
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| Terpsinoe americana var. trigona (Pantocsek) Brun in Schmidt et al. 1890 |
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| Triceratium oamaruense var. sparsipunctata (sparsim punctata) Grove in Schmidt et al. 1890 |
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| Triceratium trisulcum var. cuneata Grunow in A. Schmidt 1890 |
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