1
| 320 | Italian Ryegrass | 1987 | Lolium perenne ssp. multiflorum Italian Ryegrass | United States (Oregon) | Oregon | OR | Inhibition of Acetyl CoA Carboxylase
(A/1) |
Inhibition of Acetyl CoA Carboxylase
(A/1)
| diclofop-methyl | Ian Heap |
2
| 475 | Wild Oat | 1990 | Avena fatua Wild Oat | United States (Oregon) | Oregon | OR | Inhibition of Microtubule Assembly (K1/3) |
Inhibition of Microtubule Assembly (K1/3)
| propyzamide/pronamide | Steven Seefeldt |
3
| 319 | Wild Oat | 1990 | Avena fatua Wild Oat | United States (Oregon) | Oregon | | Inhibition of Acetyl CoA Carboxylase
(A/1) |
Inhibition of Acetyl CoA Carboxylase
(A/1)
| diclofop-methyl, fenoxaprop-ethyl | Ian Heap |
4
| 1173 | Russian-thistle | 1993 | Salsola tragus Russian-thistle | United States (Oregon) | Oregon | OR | Inhibition of Acetolactate Synthase
(B/2) |
Inhibition of Acetolactate Synthase
(B/2)
| chlorsulfuron, metsulfuron-methyl, triasulfuron | Daniel Ball |
5
| 1174 | Prickly Lettuce | 1993 | Lactuca serriola Prickly Lettuce | United States (Oregon) | Oregon | OR | Inhibition of Acetolactate Synthase
(B/2) |
Inhibition of Acetolactate Synthase
(B/2)
| chlorsulfuron, metsulfuron-methyl, triasulfuron | Daniel Ball |
6
| 1175 | Kochia | 1993 | Kochia scoparia Kochia | United States (Oregon) | Oregon | OR | Inhibition of Acetolactate Synthase
(B/2) |
Inhibition of Acetolactate Synthase
(B/2)
| chlorsulfuron, metsulfuron-methyl, triasulfuron | Daniel Ball |
7
| 321 | Redroot Pigweed | 1994 | Amaranthus retroflexus Redroot Pigweed | United States (Oregon) | Oregon | OR | PSII inhibitors - Serine 264 Binders
(C1 C2/5) |
PSII inhibitors - Serine 264 Binders
(C1 C2/5)
| terbacil | Ian Heap |
8
| 334 | Annual Bluegrass | 1994 | Poa annua Annual Bluegrass | United States (Oregon) | Oregon | OR | Very Long-Chain Fatty Acid Synthesis inhibitors (K3 N/16) |
Very Long-Chain Fatty Acid Synthesis inhibitors (K3 N/16)
| ethofumesate | Ian Heap |
9
| 336 | Annual Bluegrass | 1994 | Poa annua Annual Bluegrass | United States (Oregon) | Oregon | OR | PSII inhibitors - Serine 264 Binders
(C1 C2/5) |
PSII inhibitors - Serine 264 Binders
(C1 C2/5)
| diuron | Ian Heap |
10
| 338 | Annual Bluegrass | 1994 | Poa annua Annual Bluegrass | United States (Oregon) | Oregon | OR | PSII inhibitors - Serine 264 Binders
(C1 C2/5) |
PSII inhibitors - Serine 264 Binders
(C1 C2/5)
| atrazine | Ian Heap |
11
| 322 | Common Groundsel | 1995 | Senecio vulgaris Common Groundsel | United States (Oregon) | Oregon | OR | PSII inhibitors - Histidine 215 Binders
(C3/6) |
PSII inhibitors - Histidine 215 Binders
(C3/6)
| bromoxynil | Ian Heap |
12
| 1112 | Downy Brome (Cheatgrass) | 1997 | Bromus tectorum Downy Brome (Cheatgrass) | United States (Oregon) | Oregon | OR | Inhibition of Acetolactate Synthase
(B/2) |
Inhibition of Acetolactate Synthase
(B/2)
| imazamox, primisulfuron-methyl, sulfosulfuron | Daniel Ball, George Mueuller-Warrant, Kee-Woong Park |
13
| 5111 | Smallseed Flaxfalse | 1999 | Camelina microcarpa Smallseed Flaxfalse | United States (Oregon) | Oregon | | Inhibition of Acetolactate Synthase
(B/2) |
Inhibition of Acetolactate Synthase
(B/2)
| chlorsulfuron, metsulfuron-methyl | Brad Hanson |
14
| 18181 | Annual Bluegrass | 2000 | Poa annua Annual Bluegrass | United States (Oregon) | Oregon | | PSII inhibitors - Serine 264 Binders
(C1 C2/5) |
PSII inhibitors - Serine 264 Binders
(C1 C2/5)
| diuron, metribuzin | George Mueuller-Warrant, Lemma Mengistu |
15
| 5249 | Italian Ryegrass | 2004 | Lolium perenne ssp. multiflorum Italian Ryegrass | United States (Oregon) | Oregon | | Inhibition of Enolpyruvyl Shikimate Phosphate Synthase
(G/9) |
Inhibition of Enolpyruvyl Shikimate Phosphate Synthase
(G/9)
| glyphosate | Jed Colquhoun |
16
| 5375 | Downy Brome (Cheatgrass) | 2005 | Bromus tectorum Downy Brome (Cheatgrass) | United States (Oregon) | Oregon | | Inhibition of Acetyl CoA Carboxylase
(A/1) |
Inhibition of Acetyl CoA Carboxylase
(A/1)
| clethodim, fluazifop-butyl, quizalofop-ethyl, sethoxydim | Daniel Ball |
17
| 5366 | Shepherd's-purse | 2007 | Capsella bursa-pastoris Shepherd's-purse | United States (Oregon) | Oregon | OR | PSII inhibitors - Serine 264 Binders
(C1 C2/5) |
PSII inhibitors - Serine 264 Binders
(C1 C2/5)
| hexazinone, metribuzin | Alejandro Perez-Jones, Carol Mallory-Smith |
18
| 5564 | Italian Ryegrass | 2010 | Lolium perenne ssp. multiflorum Italian Ryegrass | United States (Oregon) | Oregon | | Inhibition of Enolpyruvyl Shikimate Phosphate Synthase
(G/9), Inhibition of Glutamine Synthetase
(H/10) |
Multiple Resistance: 2 Sites of Action Inhibition of Enolpyruvyl Shikimate Phosphate Synthase
(G/9) Inhibition of Glutamine Synthetase
(H/10)
| glufosinate-ammonium, glyphosate | Carol Mallory-Smith, Wilson Avila Garcia |
19
| 9944 | Kochia | 2014 | Kochia scoparia Kochia | United States (Oregon) | Oregon | | Inhibition of Enolpyruvyl Shikimate Phosphate Synthase
(G/9) |
Inhibition of Enolpyruvyl Shikimate Phosphate Synthase
(G/9)
| glyphosate | Don Morishita, Prashant Jha, Joel Felix |
20
| 13055 | Russian-thistle | 2016 | Salsola tragus Russian-thistle | United States (Oregon) | Oregon | | Inhibition of Enolpyruvyl Shikimate Phosphate Synthase
(G/9) |
Inhibition of Enolpyruvyl Shikimate Phosphate Synthase
(G/9)
| glyphosate | Carol Mallory-Smith |
21
| 17151 | Italian Ryegrass | 2018 | Lolium perenne ssp. multiflorum Italian Ryegrass | United States (Oregon) | Oregon | | Very Long-Chain Fatty Acid Synthesis inhibitors (K3 N/15) |
Very Long-Chain Fatty Acid Synthesis inhibitors (K3 N/15)
| flufenacet | Alberto Collavo, Roland Beffa |
22
| 27285 | Hairy Fleabane | 2023 | Conyza bonariensis Hairy Fleabane | United States (Oregon) | Oregon | | Inhibition of Enolpyruvyl Shikimate Phosphate Synthase
(G/9) |
Inhibition of Enolpyruvyl Shikimate Phosphate Synthase
(G/9)
| glyphosate | Fernando Oreja |
23
| 27286 | Horseweed | 2023 | Conyza canadensis Horseweed | United States (Oregon) | Oregon | | Inhibition of Enolpyruvyl Shikimate Phosphate Synthase
(G/9) |
Inhibition of Enolpyruvyl Shikimate Phosphate Synthase
(G/9)
| glyphosate | Fernando Oreja |