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Diatoms of North America
Practitioners
Morphology
Centric
Araphid
Eunotioid
Symmetric Biraphid
Monoraphid
Asymmetric Biraphid
Epithemioid
Nitzschioid
Surirelloid
Genera
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Glossary
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What are diatoms?
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Pleurosigma-delicatulum-dark-field2.jpg
Species
Pleurosigma delicatulum
Caption
Two valves of P. delicatulum in dark field at 200x
Credit
Lane Allen
