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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
News
Projects
Mission
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Editorial Review Board
Taxon Contributors
Contact Us
What are diatoms?
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Images of
Pinnularia
obscura
Krasske 1932
Type Specimen
Slide Number
Academy of Natural Sciences GC8141C
Site ID
Station 25 (Patrick and Freese 1961)
Site Name
US Geodetic Station, pool, Alaska
Scalebar = 10 µm
Slide Number
Academy of Natural Sciences GC8141A
Site ID
Station 25 (Patrick and Freese 1961)
Site Name
US Geodetic Station, pool, Alaska
Scalebar = 10 µm
Slide Number
Academy of Natural Sciences GC8141A
Site ID
Station 25 (Patrick and Freese 19661)
Site Name
US Geodetic Station, pool, Alaska
Scalebar = 10 µm
Slide Number
Academy of Natural Sciences GC8124B
Site ID
Station 8 (Patrick and Freese 1961)
Site Name
US Geodetic station, pool, Alaska
Scalebar = 10 µm
Slide Number
Academy of Natural Sciences GC8124B
Site ID
Station 8 (Patrick and Freese 1961)
Site Name
US Geodetic station, pool, Alaska
Scalebar = 10 µm
Slide Number
Academy of Natural Sciences GC8124B
Site ID
Station 8 (Patrick and Freese 1961)
Site Name
US Geodetic station, pool, Alaska
Scalebar = 10 µm
Slide Number
Academy of Natural Sciences GC8140
Site ID
Station 24 (Patrick and Freese 1961)
Site Name
US Geodetic Station, pool, Alaska
Scalebar = 10 µm