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Diatoms of North America
Practitioners
Morphology
Centric
Araphid
Eunotioid
Symmetric Biraphid
Monoraphid
Asymmetric Biraphid
Epithemioid
Nitzschioid
Surirelloid
Genera
Species
Glossary
About Us
News
Projects
Review Board
Taxon Contributors
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What are diatoms?
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GS024284_NUfrezeli_2b.jpg
Species
Nupela frezelii
Slide Number
ANSP GS 024284
Caption
raphe valve
Scalebar = 10 µm
