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Suzanne Foster. Provided by USDA Forest Service.
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Provided by USDA Forest Service.
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Provided by USDA Forest Service.
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Provided by USDA Forest Service.
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Provided by USDA Forest Service.
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Steve Hurst. Provided by ARS Systematic Botany and Mycology Laboratory. Georgia, Tiflis.
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W.D. Brush. Provided by National Agricultural Library. United States, Pennsylvania.
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Provided by National Agricultural Library.
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Provided by National Agricultural Library.
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Britton, N.L., and A. Brown. Provided by Kentucky Native Plant Society.
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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. Bulgaria, Mount Vitasha.
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Provided by USDA Forest Service.
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P. Freeman Heim. Provided by National Agricultural Library. United States, Wisconsin, Nicolet National Forest.
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E.F. Keller. Provided by National Agricultural Library. United States, New York.
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Tracey Slotta. Provided by ARS Systematic Botany and Mycology Laboratory. Georgia, Tiflis.
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Tracey Slotta. Provided by ARS Systematic Botany and Mycology Laboratory.
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Steve Hurst. Provided by ARS Systematic Botany and Mycology Laboratory. United States, Nebraska, Lancaster Co., Lincoln.
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Britton, N.L., and A. Brown. Provided by Kentucky Native Plant Society.
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Tracey Slotta. Provided by ARS Systematic Botany and Mycology Laboratory.
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Robert H. Mohlenbrock. USDA NRCS. Provided by USDA NRCS Wetland Science Institute (WSI).