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| Cyclotella meneghiniana var. vogesiaca Grunow in Van Heurck 1882 |
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| Cyclotella operculata var. mesoleia Grunow in Van Heurk 1882 |
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| Cyclotella operculata f. minuta Grunow in Van Heurck 1882 |
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| Cyclotella pelagica Grunow in Van Heurck 1882 |
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| Cyclotella pumila Grunow in Van Heurck 1882 |
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| Cyclotella stelligera (Cleve & Grunow in Cleve) Van Heurck 1882 |
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| Cyclotella striata Van Heurck 1882 |
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| Cyclotella striata var. ambigua Grunow in Van Heurck 1882 |
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| Cyclotella striata var. baltica Grunow in Van Heurck 1882 |
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| Cyclotella striata var. intermedia Grunow in Van Heurck 1882 |
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| Cyclotella striata var. mesoleia Grunow in Van Heurck 1882 |
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| Cyclotella striata f. minores Grunow in Van Heurck 1882 |
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| Cyclotella striata var. stylorum (Brightwell) Grunow in Van Heurck 1882 |
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| Cyclotella striata var. stylorum Van Heurck 1882 |
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| Cyclotella striata var. subsalina Grunow in Van Heurck 1882 |
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| Cyclotella subsalina Grunow in Van Heurck 1882 |
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| Cylindrotheca gracilis (Brebisson in Kutzing) Grunow in Van Heurck 1882 |
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| Cylindrotheca gracilis var. major Grunow in Van Heurck 1882 |
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| Hemiaulus bipons (Ehrenberg) Grunow in Van Heurck 1882 |
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| Hemiaulus hauckii Grunow in Van Heurck 1882 |
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