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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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Images of
Surirella
undulata
Ehrenb. 1845
Type Specimen
Slide Number
ILL 2018-80
Site Name
Miller's Bay-West Lake Okoboji, Iowa
Coordinates
43.37822, -95.17206
Scalebar = 10 µm
Slide Number
ILL 2018-79
Site Name
Miller's Bay-West Lake Okoboji, Iowa
Coordinates
43.37822, -95.17206
Scalebar = 10 µm
Slide Number
ILL 2018-79
Site Name
Miller's Bay-West Lake Okaboji, Iowa
Coordinates
43.37822, -95.17206
Scalebar = 10 µm
Slide Number
ILL 2018-79
Site Name
Miller's Bay-West Lake Okaboji, Iowa
Coordinates
43.37822, -95.17206
Scalebar = 10 µm
Slide Number
ILL 2018-79
Site Name
Miller's Bay-West Lake Okaboji, Iowa
Coordinates
43.37822, -95.17206
Scalebar = 10 µm
Slide Number
ILL 2018-79
Site Name
Miller's Bay-West Lake Okaboji, Iowa
Coordinates
43.37822, -95.17206
Scalebar = 10 µm
Site ID
ILL 2018-12
Name
Beck's Canal, Iowa
Coordinates
43.3719, -95.17266
Caption
External view, large specimen.
Notes
Sample prep: Tori Thrash
Scalebar = 20 µm
Site ID
ILL 2018-12
Name
Beck's Canal, Iowa
Coordinates
43.3719, -95.17266
Caption
Apex, external view.
Notes
Sample prep: Tori Thrash
Scalebar = 5 µm
Site ID
ILL 2018-12
Name
Beck's Canal, Iowa
Coordinates
43.3719, -95.17266
Caption
Apex, external view.
Notes
ample prep: Tori Thrash
Scalebar = 5 µm