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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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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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Clarence A. Rechenthin. Provided by USDA NRCS East Texas PMC (ETPMC).
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Carole Ritchie. Provided by ARS Systematic Botany and Mycology Laboratory. China, Manchuria.
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Britton, N.L., and A. Brown. Provided by Kentucky Native Plant Society.
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Britton, N.L., and A. Brown. Provided by Kentucky Native Plant Society.
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Britton, N.L., and A. Brown. Provided by Kentucky Native Plant Society.
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Howard, R.A. Provided by Smithsonian Institution, Richard A. Howard Photograph Collection.
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Britton, N.L., and A. Brown. Provided by Kentucky Native Plant Society.
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Britton, N.L., and A. Brown. Provided by Kentucky Native Plant Society.
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Howard, R.A. Provided by Smithsonian Institution, Richard A. Howard Photograph Collection. United Kingdom, Scotland.
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Britton, N.L., and A. Brown. Provided by Kentucky Native Plant Society.
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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, Utah, Salt Lake Co., Salt Lake City.
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Provided by National Agricultural Library. United States, New Mexico.
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Britton, N.L., and A. Brown. Provided by Kentucky Native Plant Society.
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Robert H. Mohlenbrock. USDA SCS. Provided by USDA NRCS Wetland Science Institute (WSI).
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W.R. Mattoon. Provided by National Agricultural Library. United States, District of Columbia, Washington.
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Britton, N.L., and A. Brown. Provided by Kentucky Native Plant Society.