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W.D. Brush. Provided by National Agricultural Library. United States, Virginia.
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Bluford W. Muir. Provided by National Agricultural Library. United States, Pennsylvania.
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W.H. Shaffer. 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.
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Britton, N.L., and A. Brown. Provided by Kentucky Native Plant Society.
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Provided by USDA Forest Service.
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USDA NRCS. Provided by NRCS National Wetland Team.
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Robert H. Mohlenbrock. USDA SCS. Provided by USDA NRCS Wetland Science Institute (WSI).
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Provided by USDA Forest Service.
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Steve Hurst. Provided by ARS Systematic Botany and Mycology Laboratory. United States, Tennessee, Gage.
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Howard, R.A. Provided by Smithsonian Institution, Richard A. Howard Photograph Collection. United States, Massachusetts, Suffolk Co., Boston, Arnold Arboretum.
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Howard, R.A. Provided by Smithsonian Institution, Richard A. Howard Photograph Collection. United States, Massachusetts, Suffolk Co., Boston, Arnold Arboretum.
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W.D. Brush. Provided by National Agricultural Library. United States, Maryland.
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W.D. Brush. Provided by National Agricultural Library. United States, Maryland.
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W.D. Brush. Provided by National Agricultural Library. United States, Maryland.
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W.D. Brush. Provided by National Agricultural Library. United States, Maryland.
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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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E.R. Mosher. Provided by National Agricultural Library. United States, District of Columbia, Washington.
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Provided by USDA Forest Service.
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Steve Hurst. Provided by ARS Systematic Botany and Mycology Laboratory. United States, Maryland, Montgomery Co., Takoma Park.
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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. Austria, Vienna.
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Howard, R.A. Provided by Smithsonian Institution, Richard A. Howard Photograph Collection. United States, New York, Nassau Co., Planting Fields Arboretum.
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Howard, R.A. Provided by Smithsonian Institution, Richard A. Howard Photograph Collection. United States, New York, Nassau Co., Planting Fields Arboretum.