| WebNameShort | |
| Pinnularia rectangulata var. stauntonii (Grunow in Cleve & Möller) F.W. Mills 1934 |
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| Pinnularia shackletoni (W. & G. S. West) F.W. Mills 1934 |
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| Pinnularia shackletoni var. pellucida (W. & G. S. West) F.W. Mills 1934 |
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| Pinnularia stauroptera var. peckii (Rabenhorst) F.W. Mills 1934 |
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| Pinnularia tabellaria var. acrosphaeriaformis (Tempère & Peragallo) F.W. Mills 1934 |
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| Pinnularia trevelyana var. minor (W. West) F.W. Mills 1934 |
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| Pinnularia viridis var. angustatum (W. West) F.W. Mills 1934 |
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| Pinnularia viridis var. anomala (Tempère & Peragallo) F.W. Mills 1934 |
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| Pinnularia viridis var. isostauron (icostauron) (Ehrenberg) F.W. Mills 1934 |
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| Pinnularia wilmanni (wilmannii) (Fritsch & Rich) F.W. Mills 1934 |
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| Plagiogramma caribaeum var. pusilla (Schmidt in Schmidt et al.) F.W. Mills 1934 |
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| Triceratium minutissima (minutissimum) (Greville) F.W. Mills 1934 |
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