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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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Citation
Stoermer, E.F. (1964) Notes on Iowa diatoms. VII. Rare and little known diatoms from Iowa.
Iowa Academy of Sciences 71: 55-66, 5 pls.
Species
Neidium distinctepunctatum
Placoneis amphibola
