Citation
Unknown. “A fairly nearby view of rather dark purple iris, another large leaved water plant. The stone[s] in the background are flag stones or stepping stones for crossing the lake. See picture #43707. [Location of picture #43707 is unknown]. Photograph #43706..” Special Collections, USDA National Agricultural Library. Accessed August 25, 2024, https://www.nal.usda.gov/exhibits/speccoll/items/show/357.