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Diatoms of North America
Practitioners
Morphology
Centric
Araphid
Eunotioid
Symmetric Biraphid
Monoraphid
Asymmetric Biraphid
Epithemioid
Nitzschioid
Surirelloid
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Glossary
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What are diatoms?
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ULacus_1437_79.4_.jpg
Species
Ulnaria acus
Slide Number
ILL 2015 Class Collection 2015-54
Site ID
ILL 2015 Class Collection 2015-54
Name
Missouri River, Yankton, Yankton County, South Dakota, USA
Caption
Girdle view
Coordinates
42.866025, -97.394263
Scalebar = 10 µm
