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Diatoms of North America
Practitioners
Morphology
Centric
Araphid
Eunotioid
Symmetric Biraphid
Monoraphid
Asymmetric Biraphid
Epithemioid
Nitzschioid
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What are diatoms?
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HYwhamp-ILL-2013-132-1.jpg
Glossary Term
Pseudocellus
Caption
LM image of
Hydrosera whampoensis
with a pseudocellus at the apex of each narrow pole.
