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Diatoms of North America
Practitioners
Morphology
Centric
Araphid
Eunotioid
Symmetric Biraphid
Monoraphid
Asymmetric Biraphid
Epithemioid
Nitzschioid
Surirelloid
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Glossary
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What are diatoms?
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Ehrenberg_1854_T2_fig40.png
Species
Gomphonema turgidum
Caption
Original illustration (and first illustration) of G. turgidum (Ehrenberg 1854, Plate 2, Fig 40).
