Citation
Unknown. “Hemerocallis (perhaps Citrina). Near [Chiu shan An?], China. A nearby view of a few flowering plants gathered from the mountain side where they are growing in abundance. See Herbarium sp. #7047. [August] 19, 1930. Photograph #45568..” Special Collections, USDA National Agricultural Library. Accessed August 25, 2024, https://www.nal.usda.gov/exhibits/speccoll/items/show/351.