| WebNameShort | |
| Achnanthes conspicuoides Foged 1981 |
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| Achnanthes devilensis Foged 1981 |
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| Achnanthes hardingensis Foged 1981 |
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| Achnanthes obliqua f. maior Foged 1981 |
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| Amphora neglecta f. densestriata Foged 1981 |
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| Caloneis limosa var. biconstricta (Grunow) Foged 1981 |
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| Caloneis schroederioides Foged 1981 |
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| Caloneis schumanniana f. alaskaensis Foged 1981 |
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| Caloneis ventricosa var. intermedia (Mayer) Foged 1981 |
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| Caloneis ventricosa var. tumida (Hustedt) Foged 1981 |
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| Cymbella austriaca var. alaskaensis Foged 1981 |
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| Cymbella breweriana Foged 1981 |
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| Cymbella groenlandica var. alaskaensis Foged 1981 |
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| Cymbella lunata var. alaskaensis Foged 1981 |
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| Cymbella minuta var. groenlandica (Foged) Foged 1981 |
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| Cymbella minuta var. semicircularis (Lagerstedt) Foged 1981 |
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| Cymbella naviculiformis var. linearis Foged 1981 |
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| Cymbella turgida var. acutiuscula Foged 1981 |
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| Eunotia septentrionalis f. capitata Foged 1981 |
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| Eunotia vanheurckii f. rhomboidea (Foged) Foged 1981 |
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