1
| 266 | Goosegrass | 1974 | Eleusine indica Goosegrass | United States (South Carolina) | South Carolina | | Microtubule inhibitors (K1/3) |
Microtubule inhibitors (K1/3)
| trifluralin | Billy Gossett : retired, Michael Marshall |
2
| 265 | Common cocklebur | 1985 | Xanthium strumarium Common cocklebur | United States (South Carolina) | South Carolina | | Nucleic acid inhibitors (Z/17) |
Nucleic acid inhibitors (Z/17)
| DSMA, MSMA | Billy Gossett : retired, Michael Marshall |
3
| 267 | Palmer Amaranth | 1989 | Amaranthus palmeri Palmer Amaranth | United States (South Carolina) | South Carolina | | Microtubule inhibitors (K1/3) |
Microtubule inhibitors (K1/3)
| trifluralin | Billy Gossett : retired, Michael Marshall |
4
| 268 | Italian Ryegrass | 1990 | Lolium perenne ssp. multiflorum Italian Ryegrass | United States (South Carolina) | South Carolina | | ACCase inhibitors (A/1) |
ACCase inhibitors (A/1)
| diclofop-methyl | Billy Gossett : retired, Michael Marshall |
5
| 1111 | Palmer Amaranth | 1997 | Amaranthus palmeri Palmer Amaranth | United States (South Carolina) | South Carolina | | ALS inhibitors (B/2) |
ALS inhibitors (B/2)
| imazapic, imazaquin, imazethapyr | Billy Gossett : retired, Michael Marshall |
6
| 7780 | Palmer Amaranth | 2006 | Amaranthus palmeri Palmer Amaranth | United States (South Carolina) | South Carolina | | EPSP synthase inhibitors (G/9) |
EPSP synthase inhibitors (G/9)
| glyphosate | Michael Marshall |
7
| 7781 | Palmer Amaranth | 2010 | Amaranthus palmeri Palmer Amaranth | United States (South Carolina) | South Carolina | | ALS inhibitors (B/2), EPSP synthase inhibitors (G/9) |
Multiple Resistance: 2 Sites of Action ALS inhibitors (B/2) EPSP synthase inhibitors (G/9)
| glyphosate, pyrithiobac-sodium, thifensulfuron-methyl, trifloxysulfuron-sodium | Michael Marshall |
8
| 7782 | Italian Ryegrass | 2010 | Lolium perenne ssp. multiflorum Italian Ryegrass | United States (South Carolina) | South Carolina | | ACCase inhibitors (A/1), ALS inhibitors (B/2) |
Multiple Resistance: 2 Sites of Action ACCase inhibitors (A/1) ALS inhibitors (B/2)
| diclofop-methyl, mesosulfuron-methyl, pyroxsulam | Michael Marshall |