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Britton, N.L., and A. Brown. Provided by Kentucky Native Plant Society.
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Britton, N.L., and A. Brown. Provided by Kentucky Native Plant Society.
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Britton, N.L., and A. Brown. Provided by Kentucky Native Plant Society.
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Arkansas Natural Heritage Commission. Provided by Smithsonian Institution, Department of Botany.
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Britton, N.L., and A. Brown. Provided by Kentucky Native Plant Society.
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L.D. Bailey. Provided by National Agricultural Library. United States, Oregon.
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R. Dale Sanders. Provided by National Agricultural Library. United States, Wisconsin, Chequamegon National Forest.
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Howard, R.A. Provided by Smithsonian Institution, Richard A. Howard Photograph Collection. United States, Georgia, Fulton Co., Atlanta.
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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, Georgia, Fulton Co., Atlanta.
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Howard, R.A. Provided by Smithsonian Institution, Richard A. Howard Photograph Collection. United States, Georgia, Fulton Co., Atlanta.
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Howard, R.A. Provided by Smithsonian Institution, Richard A. Howard Photograph Collection. United States, Georgia, Fulton Co., Atlanta.
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Britton, N.L., and A. Brown. Provided by Kentucky Native Plant Society.
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Britton, N.L., and A. Brown. Provided by Kentucky Native Plant Society.
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Norman Melvin.
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Britton, N.L., and A. Brown. Provided by Kentucky Native Plant Society.
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Britton, N.L., and A. Brown. Provided by Kentucky Native Plant Society.
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Jennifer Anderson. United States, Illinois, Rock Island Co., Rock Island, Black Hawk State Park.
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Jennifer Anderson. United States, Illinois, Carroll Co., Savanna, Palisades State Park.
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Jennifer Anderson. United States, Illinois, Rock Island Co., Rock Island, Black Hawk State Park.
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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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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, Georgia, Fulton Co., Atlanta.
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Howard, R.A. Provided by Smithsonian Institution, Richard A. Howard Photograph Collection. United States, Georgia, Fulton Co., Atlanta.