| WebNameShort | |
| Achnanthes semifasciata (Østrup) M. Møller in Foged 1974 |
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| Caloneis frigida Foged 1974 |
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| Cymbella behrei Foged 1974 |
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| Cymbella prostrata var. caespitosa (Kützing) Foged 1974 |
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| Cymbella schwabei Foged 1974 |
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| Fragilaria construens f. borealis Foged 1974 |
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| Navicula explanata var. lanceolata Foged 1974 |
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| Navicula stephanssoni Foged 1974 |
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| Navicula thoroddseni Foged 1974 |
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| Neidium affine f. incurvum (Gregory) Foged 1974 |
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| Neidium affine f. incurvum (Gregory, Ostrup) Foged 1974 |
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| Pinnularia cruciformis f. capitata Foged 1974 |
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| Pinnularia esox var. islandica Foged 1974 |
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| Pinnularia kriegeriana f. undulata Foged 1974 |
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| Surirella turgida f. obtusa Foged 1974 |
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