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Plant Ecology
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Ernst-Detlef Schulze, Erwin Beck, Klaus Müller-Hohenstein
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A Thousand-mile Walk to the Gulf
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John Muir
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Stay Out of the Basement
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R. L. Stine
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The Jepson Manual
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James C. Hickman
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Oil Crops
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Johann Vollmann, Istvan Rajcan
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Plants of the World
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Maarten J. M. Christenhusz, Michael F. Fay, Mark W. Chase
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Seeds of Woody Plants in North America
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James Albert Young, Cheryl G. Young
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The Power of Movement in Plants
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Charles Darwin
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An Illustrated Flora of the Northern United States: Dogbane to thistle
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Nathaniel Lord Britton, Addison Brown
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The Plants of Pennsylvania
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Ann Fowler Rhoads, Timothy A. Block
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