| WebNameShort | |
| Nitzschia pisca Patrick & Freese 1961 |
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| Nitzschia tumulana Patrick & Freese 1961 |
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| Pinnularia aequilateralis Patrick & Freese 1961 |
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| Pinnularia alaskana Patrick & Freese 1961 |
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| Pinnularia barrowiana Patrick & Freese 1961 |
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| Pinnularia birnirkiana Patrick & Freese 1961 |
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| Pinnularia differentialis Patrick & Freese 1961 |
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| Pinnularia fluminea Patrick & Freese 1961 |
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| Pinnularia kaolakiana Patrick & Freese 1961 |
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| Pinnularia lacunicola Patrick & Freese 1961 |
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| Pinnularia leptosoma var. arctica Patrick & Freese 1961 |
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| Pinnularia macrostauron Patrick & Freese 1961 |
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| Pinnularia nuwukiana Patrick & Freese 1961 |
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| Pinnularia rigens var. arctica Patrick & Freese 1961 |
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| Pinnularia semicruciata var. arctica Patrick & Freese 1961 |
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| Pinnularia steereana Patrick & Freese 1961 |
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| Pinnularia stenostriata Patrick & Freese 1961 |
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| Pinnularia tenuiraphe Patrick & Freese 1961 |
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| Stauroneis anceps var. arctica Patrick & Freese 1961 |
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| Stauroneis attenuirostris Patrick & Freese 1961 |
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