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Provided by USDA Forest Service.
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Steve Hurst. Provided by ARS Systematic Botany and Mycology Laboratory. China, Nanking.
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J.G. Jack. Provided by National Agricultural Library.
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W.E. Webb. Provided by National Agricultural Library. United States, Texas, Lubbock Co., Lubbock.
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Provided by National Agricultural Library. United States, California.
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Robert H. Mohlenbrock. USDA SCS. Provided by USDA NRCS Wetland Science Institute (WSI).
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G.G. Bates. Provided by National Agricultural Library. United States, Kansas.
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W.D. Brush. Provided by National Agricultural Library. United States, District of Columbia, Washington.
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W.D. Brush. Provided by National Agricultural Library. United States, District of Columbia, Washington.
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W.D. Brush. Provided by National Agricultural Library. United States, District of Columbia, Washington.
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W.D. Brush. Provided by National Agricultural Library. United States, District of Columbia, Washington.
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W.J. Gardner. Provided by National Agricultural Library. United States, Oklahoma, Comanche Co., Wichita National Forest.
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Britton, N.L., and A. Brown. Provided by Kentucky Native Plant Society.
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USDA NRCS. Provided by NRCS National Wetland Team.
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W.D. Brush. Provided by National Agricultural Library. United States, Pennsylvania.
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W.D. Brush. Provided by National Agricultural Library. United States, Pennsylvania.
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W.D. Brush. Provided by National Agricultural Library. United States, Pennsylvania.
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W.D. Brush. Provided by National Agricultural Library. United States, Pennsylvania.
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Britton, N.L., and A. Brown. Provided by Kentucky Native Plant Society.
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W.D. Brush. Provided by National Agricultural Library. United States, New York.
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W.D. Brush. Provided by National Agricultural Library. United States, New York.
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W.D. Brush. Provided by National Agricultural Library. United States, New York.
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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.