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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
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What are diatoms?
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Gomphjohnsonii_SEM_wholevalve_10mu.jpg
Species
Gomphonema johnsonii
Site ID
MDC 500301
Name
Spring on Road 1900482, Willamette National Forest, Oregon
Caption
whole valve, external
Coordinates
44.1342, -122.2286
Scalebar = 10 µm
