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| Nitzschia liebethruthii (liebetruthii) var. major Cleve & Möller 1879 |
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| Nitzschia lineolata (lineata) Grunow in Cleve & Möller 1879 |
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| Nitzschia lorenziana Grunow in Cleve & Möller 1879 |
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| Nitzschia marginulata var. didyma Grunow in Cleve & Möller 1879 |
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| Nitzschia mitchelliana var. lesinensis Grunow in Cleve & Möller 1879 |
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| Nitzschia nystroemii Grunow in Cleve & Möller 1879 |
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| Nitzschia obtusa var. scalpelliformis Grunow in Cleve & Molle 1879 |
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| Nitzschia palea var. fonticola Grunow in Cleve & Möller 1879 |
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| Nitzschia perpusilla f. exilis Cleve & Möller 1879 |
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| Nitzschia tryblionella var. victoriae (Grunow) Grunow in Cleve & Moller 1879 |
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| Okedenia inflexa (Brebisson in Kutzing) Eulenstein ex Cleve & Muller 1879 |
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| Plagiotropis vitrea (W. Smith) Cleve & Möller 1879 |
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| Pleurosigma affine Grunow in Cleve & Möller 1879 |
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| Pleurosigma curvulum Grunow in Cleve & Möller 1879 |
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| Pleurosigma delicatulum var. africana Grunow in Cleve & Möller 1879 |
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| Pleurosigma delicatulum var. americana Grunow in Cleve & Möller 1879 |
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| Pleurosigma febigeri (febigerii) Grunow in Cleve & Möller 1879 |
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| Pleurosigma fossile Grunow in Cleve & Möller 1879 |
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| Pleurosigma fossile var. marylandicum Grunow in Cleve & Möller 1879 |
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| Pleurosigma lineare Grunow in Cleve & Möller 1879 |
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