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Sign image. Vo, S. 87. Smithsonian Gardens: National Museum of Natural History, GGI Gardens Project 2016.
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Habit image. Vo, S. 87. Smithsonian Gardens: National Museum of Natural History, GGI Gardens Project 2016.
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Close-up image. Vo, S. 87. Smithsonian Gardens: National Museum of Natural History, GGI Gardens Project 2016.
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Habit image. Strong, M. T. 5440. Carolina Sandhills National Wildlife Refuge. Pond on upper drainage of Cow Branch and Refuge Visitors Drive, 4.6 air km N of Refuge main office, GGI Gardens Project 2018
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Flower image. Strong, M. T. 5440. Carolina Sandhills National Wildlife Refuge. Pond on upper drainage of Cow Branch and Refuge Visitors Drive, 4.6 air km N of Refuge main office, GGI Gardens Project 2018