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Bacillariophyceae
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Canada
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Chromista
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Cymbellales
1
Gomphonema
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Gomphonema acuminatum
1
Gomphonema gracile
Gomphonema montanum
1
Gomphonema pygmaeum
Gomphonema sarcophagus
1
Gomphonema truncatum capitatum
1
Gomphonemataceae
North America
1
Ochrophyta
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Rocky Mountains
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biogeography
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diatoms
ecology
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floristics
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taiga
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tundra
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