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Aulacoseira
2
Aulacoseira alpigena
2
Aulacoseira italica
2
Aulacoseiraceae
2
Aulacoseirales
2
Bacillariophyceae
2
Canada
2
Chromista
Coscinodiscaceae
2
Coscinodiscales
2
Lindavia
2
North America
2
Ochrophyta
2
Rocky Mountains
2
biogeography
diatoms
ecology
2
floristics
2
taiga
2
tundra
2
Aulacoseira ambigua
1
Aulacoseira subarctica
1
Cyclotella
1
Cyclotella distinguenda
1
Fragilaria
1
Fragilariaceae
1
Fragilariales
1
Fragilariforma
1
Meridion
1
Meridion circulare
1
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