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Place
Michigan
Remove constraint Place: Michigan
Place
North America
Remove constraint Place: North America
Place
Seul Choix Point Area, excavation just W. of Engadine dolomite scarp.; T41N, R13W, sect. 10.
Remove constraint Place: Seul Choix Point Area, excavation just W. of Engadine dolomite scarp.; T41N, R13W, sect. 10.
Topic
Equisetaceae
Remove constraint Topic: Equisetaceae
Topic
Equisetum
Remove constraint Topic: Equisetum
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