Stall, William M., and Joan A. Dusky. 2006. “Weed Control in Leafy Vegetables (Lettuce, Endive, Escarole and Spinach): HS203/WG031, Rev. 10/2006”. EDIS 2006 (27). Gainesville, FL. https://doi.org/10.32473/edis-wg031-2006.