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Bacillariophyceae
20
Chromista
20
Naviculales
20
Stauroneidaceae
Stauroneis
18
Ochrophyta
12
diatoms
12
Canada
11
North America
11
Rocky Mountains
11
biogeography
11
ecology
11
floristics
11
taiga
11
tundra
11
Bacillariophyta
8
Biodiversity
8
Taxonomy
8
Stauroneis gracilis
6
Cymbellales
4
Sellaphora
4
Sellaphoraceae
4
Craticula
3
Cymbellaceae
3
Stauroneis anceps
3
Amphipleuraceae
2
Cavinula
2
Cavinulaceae
2
Diadesmidaceae
2
Frustulia
2
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