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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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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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Steve Hurst. Provided by ARS Systematic Botany and Mycology Laboratory. United States, District of Columbia, Washington.
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Patrick J. Alexander.
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Patrick J. Alexander.
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Patrick J. Alexander.
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F.S. Baker. Provided by National Agricultural Library. United States, Utah.
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W.D. Brush. Provided by National Agricultural Library. United States, District of Columbia, Washington.
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W.D. Brush. Provided by National Agricultural Library. United States, District of Columbia, Washington.
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W.D. Brush. Provided by National Agricultural Library. United States, District of Columbia, Washington.
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W.D. Brush. Provided by National Agricultural Library. United States, District of Columbia, Washington.
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W.D. Brush. Provided by National Agricultural Library. United States, Maryland.
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Provided by National Agricultural Library. United States, Arizona.
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Robert H. Mohlenbrock. Provided by USDA NRCS Wetland Science Institute (WSI).