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A Thousand-mile Walk to the Gulf
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John Muir
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Petunia
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Tom Gerats, Judy Strommer
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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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Species plantarum
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Carl von Linné
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Illustrated Flora of the Pacific States
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Le Roy Abrams, Roxana Stinchfield Ferris
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A California Flora
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Philip Alexander Munz
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The Different Forms of Flowers on Plants of the Same Species
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Charles Darwin
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Handbook of Poisonous and Injurious Plants
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Lewis S. Nelson, Richard D. Shih, Michael J. Balick
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Magazine of Horticulture, Botany and All Useful Discoveries and Improvements in Rural Affairs
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Charles Mason Hovey
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The Variation of Animals and Plants Under Domestication
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Charles Darwin
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