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John F. Kraus. Provided by National Agricultural Library. United States, Florida.
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USDA NRCS. Provided by NRCS National Wetland Team.
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W.R. Mattoon. Provided by National Agricultural Library. United States, Florida.
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Francois Mergen. Provided by National Agricultural Library. United States, Florida.
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Paul Roy. Provided by National Agricultural Library. United States, Florida, Baker Co..
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A.G. Snow. Provided by National Agricultural Library. United States, Georgia, Clinch Co., Homerville.
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Steve Hurst. Provided by ARS Systematic Botany and Mycology Laboratory. United States, Florida, Miami-Dade Co., Miami.
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George D. Russell. Provided by National Agricultural Library. United States, Arizona, Cochise Co., Wonderland of Rocks National Monument.
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Robert C. Salton. Provided by National Agricultural Library. United States, Arizona, Coronado National Forest.
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Provided by National Agricultural Library.
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Provided by National Agricultural Library.
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Herman, D.E., et al. Provided by ND State Soil Conservation Committee. United States, North Dakota.
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Herman, D.E., et al. Provided by ND State Soil Conservation Committee. United States, North Dakota.
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Herman, D.E., et al. Provided by ND State Soil Conservation Committee. United States, North Dakota.
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Herman, D.E., et al. Provided by ND State Soil Conservation Committee. United States, North Dakota.
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Steve Hurst. Provided by ARS Systematic Botany and Mycology Laboratory. United States, Colorado.
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Howard, R.A. Provided by Smithsonian Institution, Richard A. Howard Photograph Collection.
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Howard, R.A. Provided by Smithsonian Institution, Richard A. Howard Photograph Collection.
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Howard, R.A. Provided by Smithsonian Institution, Richard A. Howard Photograph Collection.
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Sheri Hagwood. United States, Idaho, Bureau of Land Management Jarbidge Resource Area.
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E.W. Beasely. Provided by National Agricultural Library. United States, Colorado, Pike National Forest.
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J.E. Broaddus. Provided by National Agricultural Library. United States, Utah, Wasatch National Forest.
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G.S. Gorscuh. Provided by National Agricultural Library. United States, Wyoming.
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G.S. Gorscuh. Provided by National Agricultural Library. United States, Wyoming.