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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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NCPA0268_PSscoticum_1b_ed.jpg
Species
Psammothidium scoticum
Slide Number
ANSP GC58908
Site ID
ANSP GCM4483
Name
Middle Branch Big Run, PA
Caption
raphe valve
Coordinates
41.192261, -77.78381
Scalebar = 10 µm