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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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P._formica_biodata_map.png
Species
Pinnularia formica
Caption
Pinnularia formica
occurence in river surveys by USGS.
Credit
USGS Biodata
