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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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Surirella-undulata-SEM-2.jpg
Species
Surirella undulata
Site ID
ILL 2018-12
Name
Beck's Canal, Iowa
Caption
Apex, external view.
Coordinates
43.3719, -95.17266
Notes
Sample prep: Tori Thrash
Scalebar = 5 µm
