Citation
Culpeper, Nicholas. 1826. “Sweet Flag, Foolston, Fumitory, Frogbit, Fleabane, Yellow Flag, Feverfew, Fluellin, Alkanet, Purging Flax, Pellitory of Spain - Plate 1.” Special Collections, USDA National Agricultural Library. Accessed November 30, 2024, https://www.nal.usda.gov/exhibits/speccoll/items/show/935.