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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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Playaensis_circumfimbria_SEM_end2.jpg
Species
Playaensis circumfimbria
Site ID
MDC 503001
Name
Griffith Spring Pond, Harney County, Oregon
Caption
External valve apex, showing raphe fissure
Coordinates
42.8644, -118.9544
Scalebar = 5 µm
