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Achnanthales
1
Achnanthidiaceae
1
Achnanthidium
1
Achnanthidium duthii
1
Achnanthidium minutissimum
1
Bacillariophyceae
Canada
1
Chromista
1
Cocconeidaceae
1
Cocconeis
1
Cocconeis rugosa
1
Eucocconeis
1
Eucocconeis depressa
1
Eucocconeis flexella
1
Naviculaceae
1
Naviculales
1
North America
1
Nupela
1
Ochrophyta
1
Psammothidium
1
Psammothidium marginulatum
1
Rocky Mountains
1
biogeography
1
diatoms
1
ecology
1
floristics
1
taiga
tundra
1
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