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Publisher: Washington Published by Authority of the Secretary of Agriculture
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Article
Publisher: Washington Published by Authority of the Secretary of Agriculture
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Publisher: Washington Published by Authority of the Secretary of Agriculture
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Article
Year: 1891 Publisher: Chicago
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AMC Central America --- Central America --- Compositae --- Guatemala --- new species --- systematics
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GYM Gymnospermae --- Gymnospermae = Gymnosperms --- evolution
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AMN North America --- Alaska --- Canada --- North America --- USA --- Umbelliferae --- descriptions
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