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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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What are diatoms?
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COSTAE.jpg
Glossary Term
Fascicle
Caption
Detail of
S. niagarae
, with the costae, or interfascicles, marked in red. The costae separate the fascicles of areolae.
Credit
Sarah Spaulding
