| WebNameShort | |
| Fragilaria harrisonii f. minima Rabenhorst 1864 |
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| Fragilaria harrisonii f. minor Rabenhorst 1864 |
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| Fragilaria undata f. panduraeformis Rabenhorst 1864 |
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| Frustulia bohemica (Ehrenberg) Rabenhorst 1864 |
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| Frustulia saxonica f. aquatica Rabenhorst 1864 |
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| Frustulia saxonica f. turfacea (A. Braun ex Rabenhorst) Rabenhorst 1864 |
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| Frustulia sculpta (Ehrenberg) Rabenhorst 1864 |
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| Frustulia trigramma (Fresenius) Rabenhorst 1864 |
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| Gomphonema abbreviatum var. sphenelloides (Rabenhorst) Rabenhorst 1864 |
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| Gomphonema acuminatum var. coronatum (Ehrenberg) Rabenhorst 1864 |
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| Gomphonema acuminatum f. elongatum (W. Smith; W. Smith) Rabenhorst 1864 |
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| Gomphonema acuminatum var. sceptrum (Rabenhorst) Rabenhorst 1864 |
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| Gomphonema angustatum (Kützing) Rabenhorst 1864 |
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| Gomphonema augur f. major Rabenhorst 1864 |
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| Gomphonema augur var. nasutum (Ehrenberg) Rabenhorst 1864 |
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| Gomphonema capitatum var. anglicum (Ehrenberg) Rabenhorst 1864 |
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| Gomphonema capitatum var. italicum (Kützing) Rabenhorst 1864 |
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| Gomphonema capitatum var. ventricosum (Gregory) Rabenhorst 1864 |
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| Gomphonema catena (Ehrenberg) Rabenhorst 1864 |
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| Gomphonema commune Rabenhorst 1864 |
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