1
| 1080 | Common cocklebur | 1992 | Xanthium strumarium Common cocklebur | United States (Missouri) | Missouri | MO | ALS inhibitors (B/2) |
ALS inhibitors (B/2)
| chlorimuron-ethyl, imazaquin | Reid Smeda, Andy Kendig, William Johnson, Kevin Bradley |
2
| 1082 | Barnyardgrass | 1994 | Echinochloa crus-galli var. crus-galli Barnyardgrass | United States (Missouri) | Missouri | MO | PSII inhibitor (Ureas and amides) (C2/7) |
PSII inhibitor (Ureas and amides) (C2/7)
| propanil | Andy Kendig |
3
| 1083 | Tall Waterhemp | 1994 | Amaranthus tuberculatus (=A. rudis) Tall Waterhemp | United States (Missouri) | Missouri | | ALS inhibitors (B/2) |
ALS inhibitors (B/2)
| chlorimuron-ethyl, flumetsulam, halosulfuron-methyl, imazamox, imazaquin, imazethapyr, nicosulfuron, primisulfuron-methyl, prosulfuron, thifensulfuron-methyl | Reid Smeda, Andy Kendig, William Johnson |
4
| 1066 | Tall Waterhemp | 1994 | Amaranthus tuberculatus (=A. rudis) Tall Waterhemp | United States (Missouri) | Missouri | MO | Photosystem II inhibitors (C1/5) |
Photosystem II inhibitors (C1/5)
| atrazine | Reid Smeda, Andy Kendig, William Johnson |
5
| 1067 | Common Sunflower | 1996 | Helianthus annuus Common Sunflower | United States (Missouri) | Missouri | MO | ALS inhibitors (B/2) |
ALS inhibitors (B/2)
| chlorimuron-ethyl, cloransulam-methyl, flumetsulam, halosulfuron-methyl, imazaquin, imazethapyr, oxasulfuron | Reid Smeda, Andy Kendig, William Johnson |
6
| 5260 | Horseweed | 2002 | Conyza canadensis Horseweed | United States (Missouri) | Missouri | | EPSP synthase inhibitors (G/9) |
EPSP synthase inhibitors (G/9)
| glyphosate | Andy Kendig, Kevin Bradley |
7
| 5228 | Common Ragweed | 2004 | Ambrosia artemisiifolia Common Ragweed | United States (Missouri) | Missouri | | EPSP synthase inhibitors (G/9) |
EPSP synthase inhibitors (G/9)
| glyphosate | Reid Smeda |
8
| 5269 | Tall Waterhemp | 2005 | Amaranthus tuberculatus (=A. rudis) Tall Waterhemp | United States (Missouri) | Missouri | | ALS inhibitors (B/2), EPSP synthase inhibitors (G/9), PPO inhibitors (E/14) |
Multiple Resistance: 3 Sites of Action ALS inhibitors (B/2) EPSP synthase inhibitors (G/9) PPO inhibitors (E/14)
| acifluorfen-sodium, cloransulam-methyl, fomesafen, glyphosate, imazamox, imazethapyr, lactofen | Kevin Bradley |
9
| 5391 | Palmer Amaranth | 2008 | Amaranthus palmeri Palmer Amaranth | United States (Missouri) | Missouri | | EPSP synthase inhibitors (G/9) |
EPSP synthase inhibitors (G/9)
| glyphosate | Kevin Bradley |
10
| 5466 | Giant Ragweed | 2009 | Ambrosia trifida Giant Ragweed | United States (Missouri) | Missouri | | EPSP synthase inhibitors (G/9) |
EPSP synthase inhibitors (G/9)
| glyphosate | Kevin Bradley |
11
| 7807 | Tall Waterhemp | 2009 | Amaranthus tuberculatus (=A. rudis) Tall Waterhemp | United States (Missouri) | Missouri | | ALS inhibitors (B/2), EPSP synthase inhibitors (G/9) |
Multiple Resistance: 2 Sites of Action ALS inhibitors (B/2) EPSP synthase inhibitors (G/9)
| chlorimuron-ethyl, cloransulam-methyl, glyphosate | Kevin Bradley |
12
| 5495 | Annual Bluegrass | 2010 | Poa annua Annual Bluegrass | United States (Missouri) | Missouri | | EPSP synthase inhibitors (G/9) |
EPSP synthase inhibitors (G/9)
| glyphosate | Reid Smeda |
13
| 7808 | Giant Ragweed | 2011 | Ambrosia trifida Giant Ragweed | United States (Missouri) | Missouri | | ALS inhibitors (B/2), EPSP synthase inhibitors (G/9) |
Multiple Resistance: 2 Sites of Action ALS inhibitors (B/2) EPSP synthase inhibitors (G/9)
| chlorimuron-ethyl, cloransulam-methyl, glyphosate | Kevin Bradley |
14
| 7809 | Italian Ryegrass | 2013 | Lolium perenne ssp. multiflorum Italian Ryegrass | United States (Missouri) | Missouri | | ACCase inhibitors (A/1), ALS inhibitors (B/2) |
Multiple Resistance: 2 Sites of Action ACCase inhibitors (A/1) ALS inhibitors (B/2)
| mesosulfuron-methyl, pinoxaden | Kevin Bradley |