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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
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Taxon Contributors
Contact Us
What are diatoms?
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Images of
Fragilariforma
virescens
(Ralfs) D.M.Williams and Round 1988
Type Specimen
Slide Number
INSTAAR Diatom Collection 16012
Site ID
BDB-000054151
Site Name
Ranch Brook At Ranch Camp, Near Stowe, Vt
Coordinates
44.5039, -72.7818
Scalebar = 10 µm
Slide Number
INSTAAR Diatom Collection 15969
Site ID
BDB-000054108
Site Name
West Branch Swift River Near Shutesbury, Ma
Coordinates
42.45509, -72.38175
Scalebar = 10 µm
Site ID
MEDP0522
Site Name
Maine
Scalebar = 10 µm
Slide Number
INSTAAR Diatom Collection 15975
Site ID
BDB-000054114
Site Name
Bearcamp River At South Tamworth, Nh
Coordinates
43.8301, -71.2878
Scalebar = 10 µm
Slide Number
INSTAAR Diatom Collection 15967
Site ID
BDB-000054151
Site Name
Ranch Brook At Ranch Camp, Near Stowe, Vt
Coordinates
44.5039, -72.7818
Scalebar = 10 µm
Slide Number
INSTAAR Diatom Collection 15976
Site ID
BDB-000054115
Site Name
Contoocook River At Peterborough, Nh
Coordinates
42.8626, -71.9592
Scalebar = 10 µm
Site ID
ANSP 14264
Caption
internal view
Scalebar = 10 µm
Site ID
ANSP 14264
Caption
external view
Scalebar = 10 µm
Site ID
ANSP 14264
Caption
external view
Scalebar = 5 µm