| 1 | Australia (South Australia) | Australia | South Australia | 1994 | Canola, Roadsides, Spring Barley, and Wheat | chlorsulfuron, flumetsulam, metosulam, metsulfuron-methyl, and triasulfuron | 1 | Inhibition of Acetolactate Synthase
HRAC Group 2 (Legacy B) 
 | 102 | Lactuca serriola | Prickly Lettuce | 26 | 
		| 2 | Australia (Victoria) | Australia | Victoria | 2009 | Spring Barley, and Wheat | chlorsulfuron, and metsulfuron-methyl | 1 | Inhibition of Acetolactate Synthase
HRAC Group 2 (Legacy B) 
 | 102 | Lactuca serriola | Prickly Lettuce | 5516 | 
		| 3 | Australia (Victoria) | Australia | Victoria | 2015 | Fallow | glyphosate | 1 | Inhibition of Enolpyruvyl Shikimate Phosphate Synthase
HRAC Group 9 (Legacy G) 
 | 102 | Lactuca serriola | Prickly Lettuce | 11022 | 
		| 4 | United States (Idaho) | United States | Idaho | 1987 | Canola, Cereals, Chickpea, Lentils, Peas, and Wheat | chlorsulfuron, imazethapyr, metsulfuron-methyl, thifensulfuron-methyl, triasulfuron, and tribenuron-methyl | 45 | Inhibition of Acetolactate Synthase
HRAC Group 2 (Legacy B) 
 | 102 | Lactuca serriola | Prickly Lettuce | 230 | 
		| 5 | United States (Washington) | United States | Washington | 1993 | Cereals, and Wheat | chlorsulfuron | 45 | Inhibition of Acetolactate Synthase
HRAC Group 2 (Legacy B) 
 | 102 | Lactuca serriola | Prickly Lettuce | 518 | 
		| 6 | United States (Oregon) | United States | Oregon | 1993 | Wheat | chlorsulfuron, metsulfuron-methyl, and triasulfuron | 45 | Inhibition of Acetolactate Synthase
HRAC Group 2 (Legacy B) 
 | 102 | Lactuca serriola | Prickly Lettuce | 1174 | 
		| 7 | United States (Washington) | United States | Washington | 2007 | Cereals | 2,4-D, dicamba, and MCPA | 45 | Auxin Mimics
HRAC Group 4 (Legacy O) 
 | 102 | Lactuca serriola | Prickly Lettuce | 5328 |