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Steve Hurst. Provided by ARS Systematic Botany and Mycology Laboratory. United States, Montana.
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Paul S. Bieler. Provided by National Agricultural Library. United States, Utah.
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C.S. Crandell. Provided by National Agricultural Library. United States, Colorado.
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D.T. Mason. Provided by National Agricultural Library. United States, Montana, Deerlodge National Forest.
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D.T. Mason. Provided by National Agricultural Library. United States, Montana, Deerlodge National Forest.
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W.H. Shaffer. Provided by National Agricultural Library. United States, Wyoming, Shoshone National Forest.
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G.B. Sudworth. Provided by National Agricultural Library. United States, California.
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K.D. Swan. Provided by National Agricultural Library. United States, Montana.
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Provided by National Agricultural Library. United States, Montana.
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Provided by National Agricultural Library. United States, Montana.
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Provided by National Agricultural Library. United States, Montana.
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Provided by National Agricultural Library.
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Provided by National Agricultural Library.
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J.B. Serberg. Provided by National Agricultural Library. United States, Idaho.
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E.S. Shipp. Provided by National Agricultural Library. United States, Colorado, Arapaho National Forest.
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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.