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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, Massachusetts, Suffolk Co., Boston, Arnold Arboretum.
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Howard, R.A. Provided by Smithsonian Institution, Richard A. Howard Photograph Collection. United Kingdom, Scotland, Edinburgh, Royal Botanical Garden.
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Mark A. Garland. United States, North Carolina, Jackson Co., trail to Waterrock Knob, north of Blue Ridge Parkway mile marker 451.
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Mark A. Garland. United States, North Carolina, Jackson Co., trail to Waterrock Knob, north of Blue Ridge Parkway mile marker 451.
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Mark A. Garland. United States, North Carolina, Jackson Co., trail to Waterrock Knob, north of Blue Ridge Parkway mile marker 451.
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Mark A. Garland. United States, North Carolina, Jackson Co., trail to Waterrock Knob, north of Blue Ridge Parkway mile marker 451.
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Mark A. Garland. United States, North Carolina, Jackson Co., trail to Waterrock Knob, north of Blue Ridge Parkway mile marker 451.
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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.
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Howard, R.A. Provided by Smithsonian Institution, Richard A. Howard Photograph Collection.
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Howard, R.A. Provided by Smithsonian Institution, Richard A. Howard Photograph Collection.
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Howard, R.A. Provided by Smithsonian Institution, Richard A. Howard Photograph Collection. United States, Maine, Campobello.
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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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Howard, R.A. Provided by Smithsonian Institution, Richard A. Howard Photograph Collection. United States, Washington, Pierce Co., Mount Rainier.
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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).