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Diatoms of North America
Practitioners
Morphology
Centric
Araphid
Eunotioid
Symmetric Biraphid
Monoraphid
Asymmetric Biraphid
Epithemioid
Nitzschioid
Surirelloid
Genera
Species
Glossary
About Us
News
Projects
Review Board
Taxon Contributors
Contact Us
What are diatoms?
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Holly_23_frag_MIX_023.jpg
Species
Asterionella formosa
Site ID
INSTAAR DIATOM Collection 13391
Name
Sediment 5.5 cm core depth, Holly Lake, Grand Teton National Park
Caption
External view, headpole
Coordinates
43.7927, -110.7980
Notes
Note apical pore field. external opening of rimoportula, marginal spines
Scalebar = 3 µm
