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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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AHgrac_VA000071_1b_ed.jpg
Species
Achnanthidium gracillimum
Slide Number
ANSP VA000071a
Site ID
VAEQ99-482_2
Name
SF Holston River, VA
Caption
raphe valve
Coordinates
36.765333, -81.621302
Scalebar = 10 µm