Sonchus arvensis (Sow Thistle) - Plate 34

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Citation

Clark, George H. and James Fletcher; with illustrations by Norman Criddle. 1906. “Sonchus arvensis (Sow Thistle) - Plate 34.” Special Collections, USDA National Agricultural Library. Accessed July 16, 2024, https://www.nal.usda.gov/exhibits/speccoll/items/show/917.