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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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External_valve_central_area_3500X_copy.jpg
Species
Melosira undulata
Site ID
MDC 492301
Name
Giant Springs, Cascade County, Montana
Caption
Central area of valve exterior
Coordinates
47.5350, -111.2278
Notes
Note ring of 8 rimoportulae and central cluster of refractive spots.
Scalebar = 10 µm