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Chaetoceros socialis var. socialis
Variety, Diatom
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Cocconeis disculus var. diminuta
Variety, Diatom
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Cocconeis placentula var. euglypta
Variety, Diatom
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Cocconeis placentula var. intermedia
Variety, Diatom
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Cocconeis placentula var. klinoraphis
Variety, Diatom
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Cocconeis placentula var. lineata
Variety, Diatom
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Cocconeis placentula var. placentula
Variety, Diatom, Freshwater
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Cocconeis placentula var. pseudolineata
Variety, Diatom
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Cocconeis placentula var. rouxii
Variety, Diatom
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Cocconeis placentula var. tenuistriata
Variety, Diatom
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Coscinodiscus stellaris var. stellaris
Variety, Diatom, Marine
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Craticula cuspidata var. heribaudi
Variety, Diatom
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Craticula riparia var. mollenhaueri
Variety, Diatom
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Craticula vixvisibilis var. distinctior
Variety, Diatom
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Ctenophora pulchella var. lanceolata
Variety, Diatom
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Cyclotella bodanica var. affinis
Variety, Diatom
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Cyclotella bodanica var. lemanica
Variety, Diatom
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Cyclotella distinguenda var. mesoleia
Variety, Diatom
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Cyclotella distinguenda var. unipunctata
Variety, Diatom
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Cyclotella meneghiniana var. pumila
Variety, Diatom