| WebNameShort | |
| Berkeleya patens var. major De Toni 1891 |
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| Berkeleya rutilans f. clavigera (Brébisson in Kützing) De Toni 1891 |
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| Campyloneis grevillei var. granulata (Grunow in Cleve & Möller) De Toni 1891 |
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| Cocconeis ambigua var. grunowii De Toni 1891 |
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| Cocconeis gemmata var. menilitica (Pantocsek) De Toni 1891 |
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| Cocconeis wrightii f. minor De Toni 1891 |
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| Conferva aspera Auct. nonnull. according to De Toni 1891 |
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| Crystalia pulvinata Sommerfeld according to DeToni 1891 |
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| Cymbella amphoroides Grunow according to De Toni 1891 |
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| Cymbella gastroides var. kamtschatica (Grunow in Schmidt) De Toni 1891 |
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| Dickieia crucigera (W. Smith) De Toni 1891 |
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| Dictyoneis bartholomei (bartholomaei) (Cleve) De Toni 1891 |
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| Dictyoneis bilobata (Leuduger-Fortmorel) De Toni 1891 |
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| Dictyoneis ceylanensis (Leuduger-Fortmorel) De Toni 1891 |
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| Encyonema caespitosum var. pediculus (Ehrenberg) De Toni 1891 |
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| Frustulia bohemica var. fossilis (Ehrenberg) De Toni 1891 |
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| Frustulia incomperta (Lewis) De Toni 1891 |
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| Frustulia interposita (Lewis) De Toni 1891 |
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| Frustulia lewisiana (Greville) De Toni 1891 |
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| Frustulia neglecta (Thwaites) De Toni 1891 |
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