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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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Gomphonema_semiapertum_4_457201.jpg
Species
Gomphonema semiapertum
Slide Number
Montana Diatom Collection 125-5
Site ID
Montana Diatom Collection 457201
Name
North Umpqua River, Douglas County, Oregon
Coordinates
43.3108, -122.1536
Scalebar = 10 µm
