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Provided by USDA Forest Service.
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Howard, R.A. Provided by Smithsonian Institution, Richard A. Howard Photograph Collection. Ecuador, Cotopaxi.
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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, England, Kew, Royal Botanic Gardens.
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Howard, R.A. Provided by Smithsonian Institution, Richard A. Howard Photograph Collection. United Kingdom, England, Kew, Royal Botanic Gardens.
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Steve Hurst. Provided by ARS Systematic Botany and Mycology Laboratory. United Kingdom, England, Kew, Royal Botanic Gardens.
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Howard, R.A. Provided by Smithsonian Institution, Richard A. Howard Photograph Collection. United States, Massachusetts, Middlesex Co., Weston.
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Howard, R.A. Provided by Smithsonian Institution, Richard A. Howard Photograph Collection. United States, Massachusetts, Middlesex Co., Weston.
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Howard, R.A. Provided by Smithsonian Institution, Richard A. Howard Photograph Collection. United States, North Carolina.
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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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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, Massachusetts.
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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.
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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, West Virginia, Preston Co., Terra Alta.
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Mark A. Garland. United States, North Carolina, Haywood Co., Mountains-to-Sea Trail northeast of Grassy Ridge Mine Overlook at Blue Ridge Parkway mile marker 437.
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Mark A. Garland. United States, North Carolina, Haywood Co., Mountains-to-Sea Trail northeast of Grassy Ridge Mine Overlook at Blue Ridge Parkway mile marker 437.
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Mark A. Garland. United States, North Carolina, Haywood Co., Mountains-to-Sea Trail northeast of Grassy Ridge Mine Overlook at Blue Ridge Parkway mile marker 437.
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Mark A. Garland. United States, North Carolina, Haywood Co., Mountains-to-Sea Trail northeast of Grassy Ridge Mine Overlook at Blue Ridge Parkway mile marker 437.
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Mark A. Garland. United States, North Carolina, Haywood Co., Mountains-to-Sea Trail northeast of Grassy Ridge Mine Overlook at Blue Ridge Parkway mile marker 437.
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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, Washington, King Co., Seattle.