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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
About Us
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Review Board
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What are diatoms?
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NLS00267_05.jpg
Species
Aulacoseira humilis
Site ID
ANSP NLS00267
Caption
Frustule with concave valve faces
Scalebar = 2 µm
