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Provided by Smithsonian Institution, Department of Botany.
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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 States, Ohio, Trumbull Co., Warren.
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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, Arkansas, Pulaski Co., Little Rock.
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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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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. Spain, Madrid.
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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. Russia, Saint Petersburg.
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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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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. United States, Nevada, Washoe Co., Franktown.
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Tracey Slotta. Provided by ARS Systematic Botany and Mycology Laboratory. United States, California.
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Steve Hurst. Provided by ARS Systematic Botany and Mycology Laboratory. United States, Nebraska, Lancaster Co., Lincoln.
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Provided by USDI Bureau of Land Management (BLM). United States, California, Mono Co..
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C. Kenneth Pearse. Provided by National Agricultural Library. United States, Idaho, Boise National Forest.