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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
Contact Us
What are diatoms?
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Images of
Psammothidium
daonense
(Lange-Bert.) Lange-Bert. 1999
Type Specimen
Slide Number
ANSP GC109392a
Site ID
Montana DEQ U1104-A
Site Name
Wise River, MT
Coordinates
45.542, -113.0829
Caption
rapheless valve
Scalebar = 10 µm
Slide Number
ANSP GC109392a
Site ID
Montana DEQ U1104-A
Site Name
Wise River, MT
Coordinates
45.542, -113.0829
Caption
rapheless valve
Scalebar = 10 µm
Slide Number
ANSP GC109392a
Site ID
Montana DEQ U1104-A
Site Name
Wise River, MT
Coordinates
45.542, -113.0829
Caption
raphevalve
Scalebar = 10 µm
Slide Number
ANSP GC106251a
Site ID
USGS NECB0802ADE0004BA
Site Name
STILLWATER RIVER NEAR STERLING, MA
Coordinates
42.4108, -71.7917
Caption
raphe valve
Scalebar = 10 µm
Slide Number
ANSP GC106251a
Site ID
USGS NECB0802ADE0004BA
Site Name
STILLWATER RIVER NEAR STERLING, MA
Coordinates
42.4108, -71.7917
Caption
rapheless valve
Scalebar = 10 µm
Slide Number
ANSP GC109392a
Site ID
Montana DEQ U1104-A
Site Name
Wise River, MT
Coordinates
45.542, -113.0829
Caption
rapheless valve
Scalebar = 10 µm
Slide Number
ANSP GC100717a
Site ID
USGS SPLT0995ADE0011B
Site Name
BIG THOMPSON BL MORAINE PARK NR ESTES PARK, CO.
Coordinates
40.3539, -105.5836
Caption
raphe valve
Scalebar = 10 µm
Site ID
ANSP GCM4259
Name
Engle Run, PA
Coordinates
41.42078, -76.80802
Caption
external view of raphe valve
Scalebar = 2 µm
Site ID
ANSP GCM4259
Name
Engle Run, PA
Coordinates
41.42078, -76.80802
Caption
external view of raphe valve
Scalebar = 2 µm
Site ID
Montana DEQ U1016-A
Name
Johnson Creek, MT
Coordinates
45.7066666, -113.6041666
Caption
external view of rapheless valve
Scalebar = 2 µm