| WebNameShort | |
| Caloneis bottnica var. helensis Schulz 1926 |
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| Caloneis brevis var. minor Schulz 1926 |
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| Caloneis formosa var. major Schulz 1926 |
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| Caloneis fossilis var. lanceolata Schulz 1926 |
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| Caloneis litorina Schulz 1926 |
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| Caloneis zachariasi var. baltica A. Cleve-Euler manuscript in Schulz 1926 |
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| Cocconeis lyra var. minor Schulz 1926 |
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| Cocconeis pediculus var. baltica (Juhlen-Dannfelt) Schulz 1926 |
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| Cocconeis quarnerensis f. rhomboidale Schulz 1926 |
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| Cocconeis quarnerensis var. rhomboidale Schulz 1926 |
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| Cocconeis scutellum var. irregularis Schulz 1926 |
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| Cymbella ehrenbergi var. fossilis P. Schulz 1926 |
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| Diploneis linearis var. minuta Schulz 1926 |
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| Diploneis lineata var. minuta Schulz 1926 |
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| Diploneis subcincta var. glacialis Schulz 1926 |
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| Diploneis suborbicularis var. antiqua Schulz 1926 |
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| Fragilaria virescens f. clavata (Grunow in Van Heurck) Schulz 1926 |
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| Fragilaria virescens var. inflata (Heiden) Schulz 1926 |
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| Fragilaria virescens var. sinuata Reichelt ex Schulz 1926 |
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| Gyrosigma attenuatum var. hippocampus (Ehrenberg; W. Smith) Schulz 1926 |
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