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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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MO000373_09.jpg
Species
Planothidium frequentissimum
Site ID
MO000373
Name
Johnson Creek, MT
Caption
Internal view of rapheless valve
Coordinates
45.7067, -113.6042
Scalebar = 2 µm
