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Provided by USDA Forest Service.
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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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Steve Hurst. Provided by ARS Systematic Botany and Mycology Laboratory. Brazil, San Paulo, Sao Paulo.
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Howard, R.A. Provided by Smithsonian Institution, Richard A. Howard Photograph Collection. United States, Washington, King Co., Seattle.
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Howard, R.A. Provided by Smithsonian Institution, Richard A. Howard Photograph Collection. Italy, Grand Paradiso.
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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. China, Tientsin.
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Britton, N.L., and A. Brown. Provided by Kentucky Native Plant Society.
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Provided by USDI Bureau of Land Management (BLM). United States, California, Mono Co..
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Suzanne Foster. Provided by USDA Forest Service.
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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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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.
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Patrick J. Alexander.
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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, New Mexico, Bernalillo Co., Albuquerque.
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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.
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Patrick J. Alexander.