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Robert H. Mohlenbrock. USDA NRCS. Provided by USDA NRCS Wetland Science Institute (WSI).
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Robert H. Mohlenbrock. USDA NRCS. Provided by USDA NRCS Wetland Science Institute (WSI).
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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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J.E. Broaddus. Provided by National Agricultural Library. United States, Utah, Wasatch National Forest.
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W.D. Brush. Provided by National Agricultural Library. United States, Pennsylvania.
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W.D. Brush. Provided by National Agricultural Library. United States, Pennsylvania.
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W.D. Brush. Provided by National Agricultural Library. United States, Pennsylvania.
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R.S. Kellog. Provided by National Agricultural Library. United States, Alaska, Chugach National Forest.
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E.S. Shipp. Provided by National Agricultural Library. United States, Colorado, Roosevelt National Forest.
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Provided by National Agricultural Library. United States, Arizona.
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Britton, N.L., and A. Brown. Provided by Kentucky Native Plant Society.
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USDA NRCS. Provided by NRCS National Wetland Team.
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Description: English: Quaking aspen growing near an old homestead in the hills of eastern Washington. Source: I created this work entirely by myself. Author:
Elwhajeff (
talk).
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Description: English: Solarized negative positive of trees in Yosemite Valley; mostly 'quaking' aspen. Date: 10 October 2001. Source: John Higson. Author: Point of Ayre.
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Description: Populus tremuloides in Thousandmile Canyon, Sacramento Mountains, Otero County, New Mexico, 19 May 2012. Date: 19 May 2012, 15:20. Source:
Populus tremuloides. Author:
Patrick Alexander from Las Cruces, NM.
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