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Bacillariaceae
2
Bacillariales
Bacillariophyceae
2
Canada
2
Chromista
2
Epithemia
2
Epithemia smithii
North America
Ochrophyta
2
Rhopalodiaceae
2
Rhopalodiales
2
Rocky Mountains
2
Surirellaceae
2
Surirellales
2
biogeography
2
diatoms
2
ecology
2
floristics
2
taiga
2
tundra
Cymatopleura
1
Cymatopleura solea
1
Denticula
1
Denticula tenuis
1
Nitzschia
1
Nitzschia acidoclinata
1
Nitzschia frustulum
1
Nitzschia gracilis
1
Nitzschia obtusa nana
1
Nitzschia perminuta
1
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