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Diatoms of North America
Practitioners
Morphology
Centric
Araphid
Eunotioid
Symmetric Biraphid
Monoraphid
Asymmetric Biraphid
Epithemioid
Nitzschioid
Surirelloid
Genera
Species
Glossary
About
News
Projects
Mission
Board of Directors
Editorial Review Board
Taxon Contributors
Contact Us
What are diatoms?
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Reimer_CymbellaExcisa_18543.jpg
Species
Cymbella affinis
Caption
Reimer's image of C. excisa from type slide BM18543.