| WebNameShort | |
| Achnanthes delicatula var. robusta Hustedt 1934 |
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| Achnanthes exigua var. capitata Hustedt 1934 |
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| Achnanthes kryophila var. densestriata Hustedt 1934 |
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| Achnanthes subexigua Hustedt 1934 |
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| Epithemia zebra var. intermedia (Fricke in Schmidt et al.) Hustedt 1934 |
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| Navicula brockmanni (brockmannii) Hustedt 1934 |
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| Navicula declivis Hustedt 1934 |
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| Navicula hustedtii var. obtusa Hustedt 1934 |
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| Navicula lagerheimii var. palustris Hustedt 1934 |
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| Navicula subcostulata Hustedt 1934 |
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| Navicula subfossalis Hustedt 1934 |
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| Nitzschia palustris Hustedt 1934 |
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| Nitzschia terrestris (Petersen) Hustedt 1934 |
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| Pinnularia lagerstedti (Cleve) Hustedt 1934 |
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| Stauroneis montana var. lanceolata Hustedt 1934 |
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