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Amphipleuraceae
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Amphora
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Bacillariophyceae
Canada
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Catenulaceae
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Chromista
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Cymbellaceae
Cymbellales
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Delicata
Encyonema
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Encyonema hebridicum
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Encyonema silesiacum
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Encyonema ventricosum
Halamphora
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Naviculales
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North America
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Ochrophyta
Rocky Mountains
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Thalassiophysales
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biogeography
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diatoms
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ecology
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floristics
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taiga
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tundra
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