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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. United Kingdom, Scotland, Stirlinghshire, Aberfoyle.
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Steve Hurst. Provided by ARS Systematic Botany and Mycology Laboratory.
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Robert H. Mohlenbrock. USDA NRCS. Provided by USDA NRCS Wetland Science Institute (WSI).
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W.D. Brush. Provided by National Agricultural Library. United States, Maine.
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W.D. Brush. Provided by National Agricultural Library. United States, Maine.
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W.D. Brush. Provided by National Agricultural Library. United States, Maine.
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F.H. Eyre. Provided by National Agricultural Library. United States, Minnesota, Koochiching Co., Big Falls.
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P. Freeman Heim. Provided by National Agricultural Library. United States, Wisconsin, Nicolet National Forest.
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P. Freeman Heim. Provided by National Agricultural Library. United States, Wisconsin, Nicolet National Forest.
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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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Steve Hurst. Provided by ARS Systematic Botany and Mycology Laboratory.
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F.W. Cleator. Provided by National Agricultural Library. United States, Washington, Wenatchee National Forest.
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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, Washington.
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Ray M. Filloon. Provided by National Agricultural Library. United States, Washington.
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Ray M. Filloon. Provided by National Agricultural Library. United States, Washington.
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R.E. McArdle. Provided by National Agricultural Library. United States, Oregon, Columbia National Forest.
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Wyman C. Schmidt. Provided by National Agricultural Library. United States, Montana.
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K.D. Swan. Provided by National Agricultural Library. United States, Montana, Kootenai National Forest, Wolf Creek Valley near mouth of Cacallus Creek.
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K.D. Swan. Provided by National Agricultural Library. United States, Montana, Lincoln Co., Kootenai National Forest, Yaak Post Office.
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Provided by National Agricultural Library. United States, Montana, Kootenai National Forest.