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| Mastogloia dansei var. coarctata (A. Berg in A. Berg & Hessland) Cleve-Euler 1953 |
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| Mastogloia dansei var. streptoraphe (A. Berg in A. Berg & Hessland) Cleve-Euler 1953 |
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| Navicula peregrina var. peregrinoides (A. Cleve(-Euler) in Halden) Cleve-Euler 1953 |
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| Achnanthes curta (A. Cleve) A. Berg ex Cleve-Euler 1953 |
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| Achnanthes oestrupii (A. Cleve) A. Cleve-Euler 1953 |
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| Diploneis subconstricta (A. Cleve) Cleve-Euler 1953 |
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| Navicula gotlandica var. minor (A. Cleve) Cleve-Euler 1953 |
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| Navicula mutata var. tanneri (A. Cleve) Cleve-Euler 1953 |
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| Navicula seminulum var. brevis (A. Cleve) Cleve-Euler 1953 |
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| Navicula tenuis (Agardh) Cleve-Euler 1953 |
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| Achnanthes gibberula f. interrupta (Anisimova & Poretzky) Cleve-Euler 1953 |
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| Anomoeoneis serians var. rotundata (Berg) Cleve-Euler 1953 |
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| Navicula contenta var. typica (Boye Petersen) Cleve-Euler 1953 |
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| Navicula lapidicola (Boye Petersen) Cleve-Euler 1953 |
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| Amphora libyca var. baltica (Brander) Cleve-Euler 1953 |
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| Diploneis mauleri f. forelii (foreli) (Brun) Cleve-Euler 1953 |
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| Navicula lacus-lemani (Brun) Cleve-Euler 1953 |
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| Navicula lacus-lemani var. gibbosa (Brun) Cleve-Euler 1953 |
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| Achnanthes minuta (Cleve) Cleve-Euler 1953 |
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| Amphora arenaria var. typica (Cleve) Cleve-Euler 1953 |
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