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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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Pinnularia-perinterrupta-LM6.jpg
Species
Pinnularia perinterrupta
Slide Number
ANSP GC8169
Site ID
Station 53 of Patrick and Freese (1961)
Name
Barrow no. 3
Notes
Coll. L. R. Freese, 5 July 1951. Plankton sample from running 20 gallons of surface water through plankton net of pool of station 52. Several forms of single-celled green algae, and Oscillatoria, along with a few diatoms.
Scalebar = 10 µm