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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
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What are diatoms?
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RstoerSEMheadRin.JPG
Species
Rhoicosphenia stoermeri
Site ID
ANSP GCM 5696
Name
Bear Creek, Los Angeles County, California
Caption
Head pole of R-valve, internal
Coordinates
34.24154, 117.88599
Notes
Septum-like structure covering pseudoseptum
Scalebar = 1 micron µm