| WebNameShort | |
| Navicula hennedyi (hennedii) var. luxuosa Cleve-Euler 1915 |
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| Navicula huei var. densestriata Cleve-Euler 1915 |
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| Navicula humerosa var. denestriata Cleve-Euler 1915 |
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| Navicula klavsenii (klausenii) var. turgida Cleve-Euler 1915 |
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| Navicula latissima var. grandis Cleve-Euler 1915 |
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| Navicula problematica Cleve-Euler 1915 |
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| Navicula pygmaea var. linearis Cleve-Euler 1915 |
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| Navicula truncata Cleve-Euler 1915 |
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| Nitzschia hybrida var. pellucida sensu Cleve-Euler 1915 |
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| Pinnularia brevicostata var. subcapitata Cleve-Euler 1915 |
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| Pinnularia clipeata Cleve-Euler 1915 |
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| Pinnularia cuneata (Østrup) Cleve-Euler 1915 |
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| Pinnularia cuneata var. constricta Cleve-Euler 1915 |
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| Pinnularia divergens var. truncata Cleve-Euler 1915 |
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| Pinnularia esox sensu Cleve-Euler 1915 |
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| Pinnularia hybrida (M. Peragallo & Héribaud in Héribaud) Cleve-Euler 1915 |
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| Pinnularia hybrida f. acuminata Cleve-Euler 1915 |
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| Pinnularia interrupta var. amphirhynchus Cleve-Euler 1915 |
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| Pinnularia legumen f. interrupta Cleve-Euler 1915 |
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| Pinnularia legumen var. longa Cleve-Euler 1915 |
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