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R.R. Reynolds. Provided by National Agricultural Library. United States, Arkansas.
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Provided by National Agricultural Library. United States, Arkansas.
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Provided by National Agricultural Library. United States, Arkansas.
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Provided by National Agricultural Library. United States, Arkansas.
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Provided by National Agricultural Library. United States, Arkansas.
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Provided by National Agricultural Library. United States, Arkansas, Ozark National Forest.
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Provided by National Agricultural Library. United States, Missouri, Mark Twain National Forest.
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Provided by National Agricultural Library. United States, Missouri, Mark Twain National Forest.
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Britton, N.L., and A. Brown. Provided by Kentucky Native Plant Society.
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Steve Hurst. Provided by ARS Systematic Botany and Mycology Laboratory. United States, Arizona.
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Patrick J. Alexander.
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Leland J. Prater. Provided by National Agricultural Library. United States, Colorado.
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W.H. Shaffer. Provided by National Agricultural Library. United States, Utah.
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Provided by National Agricultural Library. United States, Arizona.
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Provided by National Agricultural Library. United States, Colorado, Roosevelt National Forest, Owl Canyon.
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Provided by National Agricultural Library.
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Howard, R.A. Provided by Smithsonian Institution, Richard A. Howard Photograph Collection. United States, Georgia, Glynn Co., Sea Island.
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W.D. Brush. Provided by National Agricultural Library. United States, Florida.
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W.D. Brush. Provided by National Agricultural Library. United States, Florida.
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W.D. Brush. Provided by National Agricultural Library. United States, Florida.
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W.D. Brush. Provided by National Agricultural Library. United States, Florida.
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P. Freeman Heim. Provided by National Agricultural Library. United States, Florida, Ocala National Forest.
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P. Freeman Heim. Provided by National Agricultural Library. United States, Florida, Ocala National Forest.
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John F. Kraus. Provided by National Agricultural Library. United States, Florida.