1
| Lolium perenne | Perennial Ryegrass | Argentina | Argentina | | 2008 | 48 |
Inhibition of Enolpyruvyl Shikimate Phosphate Synthase
HRAC Group 9 (Legacy G)
| 5487 | Spring Barley |
2
| Avena fatua | Wild Oat | Argentina | Argentina | | 2010 | 48 |
Inhibition of Acetyl CoA Carboxylase
HRAC Group 1 (Legacy A)
| 5587 | Spring Barley |
3
| Lolium rigidum | Rigid Ryegrass | Australia (New South Wales ) | Australia | New South Wales | 1985 | 1 |
Multiple Resistance: 3 Sites of Action Inhibition of Acetyl CoA Carboxylase
HRAC Group 1 (Legacy A) Inhibition of Acetolactate Synthase
HRAC Group 2 (Legacy B) Inhibition of Microtubule Assembly HRAC Group 3 (Legacy K1)
| 4 | Spring Barley |
4
| Avena fatua | Wild Oat | Australia (New South Wales ) | Australia | New South Wales | 1991 | 1 |
Inhibition of Acetyl CoA Carboxylase
HRAC Group 1 (Legacy A)
| 5 | Spring Barley |
5
| Sisymbrium orientale | Oriental Mustard | Australia (New South Wales ) | Australia | New South Wales | 1994 | 1 |
Inhibition of Acetolactate Synthase
HRAC Group 2 (Legacy B)
| 5035 | Spring Barley |
6
| Avena fatua | Wild Oat | Australia (New South Wales ) | Australia | New South Wales | 2006 | 1 |
Multiple Resistance: 3 Sites of Action Inhibition of Acetyl CoA Carboxylase
HRAC Group 1 (Legacy A) Inhibition of Acetolactate Synthase
HRAC Group 2 (Legacy B) Antimicrotubule mitotic disrupter HRAC Group 25 (Legacy Z)
| 10966 | Spring Barley |
7
| Phalaris paradoxa | Hood Canarygrass | Australia (New South Wales ) | Australia | New South Wales | 2012 | 1 |
Multiple Resistance: 2 Sites of Action Inhibition of Acetyl CoA Carboxylase
HRAC Group 1 (Legacy A) Inhibition of Acetolactate Synthase
HRAC Group 2 (Legacy B)
| 7840 | Spring Barley |
8
| Raphanus raphanistrum | Wild Radish | Australia (New South Wales ) | Australia | New South Wales | 2013 | 1 |
Auxin Mimics
HRAC Group 4 (Legacy O)
| 7839 | Spring Barley |
9
| Rapistrum rugosum | Turnipweed | Australia (New South Wales ) | Australia | New South Wales | 2021 | 1 |
Inhibition of Acetolactate Synthase
HRAC Group 2 (Legacy B)
| 19215 | Spring Barley |
10
| Avena sterilis ssp. ludoviciana | Sterile oat | Australia (Queensland) | Australia | Queensland | 2006 | 1 |
Inhibition of Acetyl CoA Carboxylase
HRAC Group 1 (Legacy A)
| 10967 | Spring Barley |
11
| Lolium rigidum | Rigid Ryegrass | Australia (South Australia) | Australia | South Australia | 1982 | 1 |
Multiple Resistance: 6 Sites of Action Inhibition of Acetyl CoA Carboxylase
HRAC Group 1 (Legacy A) Inhibition of Acetolactate Synthase
HRAC Group 2 (Legacy B) Inhibition of Deoxy-D-Xylulose Phosphate Synthase HRAC Group 13 (Legacy F4) Inhibition of Microtubule Assembly HRAC Group 3 (Legacy K1) Inhibition of Microtubule Organization
HRAC Group 23 (Legacy K2) Very Long-Chain Fatty Acid Synthesis inhibitors HRAC Group 15 (Legacy K3 N)
| 389 | Spring Barley |
12
| Sisymbrium orientale | Oriental Mustard | Australia (South Australia) | Australia | South Australia | 1990 | 1 |
Inhibition of Acetolactate Synthase
HRAC Group 2 (Legacy B)
| 24 | Spring Barley |
13
| Lactuca serriola | Prickly Lettuce | Australia (South Australia) | Australia | South Australia | 1994 | 1 |
Inhibition of Acetolactate Synthase
HRAC Group 2 (Legacy B)
| 26 | Spring Barley |
14
| Raphanus raphanistrum | Wild Radish | Australia (South Australia) | Australia | South Australia | 1998 | 1 |
Inhibition of Acetolactate Synthase
HRAC Group 2 (Legacy B)
| 5034 | Spring Barley |
15
| Galium tricornutum | Threehorn Bedstraw | Australia (South Australia) | Australia | South Australia | 2012 | 1 |
Inhibition of Acetolactate Synthase
HRAC Group 2 (Legacy B)
| 7837 | Spring Barley |
16
| Lolium rigidum | Rigid Ryegrass | Australia (Victoria) | Australia | Victoria | 1984 | 1 |
Multiple Resistance: 3 Sites of Action Inhibition of Acetyl CoA Carboxylase
HRAC Group 1 (Legacy A) Inhibition of Acetolactate Synthase
HRAC Group 2 (Legacy B) Inhibition of Microtubule Assembly HRAC Group 3 (Legacy K1)
| 5042 | Spring Barley |
17
| Lactuca serriola | Prickly Lettuce | Australia (Victoria) | Australia | Victoria | 2009 | 1 |
Inhibition of Acetolactate Synthase
HRAC Group 2 (Legacy B)
| 5516 | Spring Barley |
18
| Raphanus raphanistrum | Wild Radish | Australia (Victoria) | Australia | Victoria | 2009 | 1 |
Multiple Resistance: 2 Sites of Action Inhibition of Acetolactate Synthase
HRAC Group 2 (Legacy B) Auxin Mimics
HRAC Group 4 (Legacy O)
| 7845 | Spring Barley |
19
| Sisymbrium orientale | Oriental Mustard | Australia (Victoria) | Australia | Victoria | 2010 | 1 |
Inhibition of Acetolactate Synthase
HRAC Group 2 (Legacy B)
| 7842 | Spring Barley |
20
| Sonchus oleraceus | Annual Sowthistle | Australia (Victoria) | Australia | Victoria | 2010 | 1 |
Inhibition of Acetolactate Synthase
HRAC Group 2 (Legacy B)
| 7844 | Spring Barley |
21
| Raphanus raphanistrum | Wild Radish | Australia (Victoria) | Australia | Victoria | 2011 | 1 |
Auxin Mimics
HRAC Group 4 (Legacy O)
| 7846 | Spring Barley |
22
| Lolium rigidum | Rigid Ryegrass | Australia (Western Australia) | Australia | Western Australia | 1982 | 1 |
Multiple Resistance: 3 Sites of Action Inhibition of Acetyl CoA Carboxylase
HRAC Group 1 (Legacy A) Inhibition of Acetolactate Synthase
HRAC Group 2 (Legacy B) Inhibition of Microtubule Assembly HRAC Group 3 (Legacy K1)
| 15 | Spring Barley |
23
| Lolium rigidum | Rigid Ryegrass | Australia (Western Australia) | Australia | Western Australia | 1984 | 1 |
Inhibition of Acetolactate Synthase
HRAC Group 2 (Legacy B)
| 324 | Spring Barley |
24
| Sisymbrium orientale | Oriental Mustard | Australia (Western Australia) | Australia | Western Australia | 1994 | 1 |
Inhibition of Acetolactate Synthase
HRAC Group 2 (Legacy B)
| 3 | Spring Barley |
25
| Raphanus raphanistrum | Wild Radish | Brazil | Brazil | | 2013 | 5 |
Inhibition of Acetolactate Synthase
HRAC Group 2 (Legacy B)
| 7895 | Spring Barley |
26
| Kochia scoparia | Kochia | Canada (Alberta) | Canada | Alberta | 1989 | 7 |
Inhibition of Acetolactate Synthase
HRAC Group 2 (Legacy B)
| 65 | Spring Barley |
27
| Avena fatua | Wild Oat | Canada (Alberta) | Canada | Alberta | 1989 | 7 |
Multiple Resistance: 2 Sites of Action Very Long-Chain Fatty Acid Synthesis inhibitors HRAC Group 15 (Legacy K3 N) Cell elongation inhibitors HRAC Group 8 (Legacy Z)
| 66 | Spring Barley |
28
| Setaria viridis | Green Foxtail | Canada (Alberta) | Canada | Alberta | 1989 | 7 |
Inhibition of Microtubule Assembly HRAC Group 3 (Legacy K1)
| 5071 | Spring Barley |
29
| Sinapis arvensis | Wild Mustard | Canada (Alberta) | Canada | Alberta | 1993 | 7 |
Inhibition of Acetolactate Synthase
HRAC Group 2 (Legacy B)
| 5036 | Spring Barley |
30
| Sonchus asper | Spiny Sowthistle | Canada (Alberta) | Canada | Alberta | 1996 | 7 |
Inhibition of Acetolactate Synthase
HRAC Group 2 (Legacy B)
| 1153 | Spring Barley |
31
| Galeopsis tetrahit | Common Hempnettle | Canada (Alberta) | Canada | Alberta | 1998 | 7 |
Auxin Mimics
HRAC Group 4 (Legacy O)
| 1154 | Spring Barley |
32
| Thlaspi arvense | Field Pennycress | Canada (Alberta) | Canada | Alberta | 2001 | 7 |
Inhibition of Acetolactate Synthase
HRAC Group 2 (Legacy B)
| 5097 | Spring Barley |
33
| Salsola tragus | Russian-thistle | Canada (Alberta) | Canada | Alberta | 2007 | 7 |
Inhibition of Acetolactate Synthase
HRAC Group 2 (Legacy B)
| 7831 | Spring Barley |
34
| Lolium persicum | Persian Darnel | Canada (Alberta) | Canada | Alberta | 2009 | 7 |
Inhibition of Acetyl CoA Carboxylase
HRAC Group 1 (Legacy A)
| 7832 | Spring Barley |
35
| Kochia scoparia | Kochia | Canada (Alberta) | Canada | Alberta | 2012 | 7 |
Multiple Resistance: 2 Sites of Action Inhibition of Acetolactate Synthase
HRAC Group 2 (Legacy B) Inhibition of Enolpyruvyl Shikimate Phosphate Synthase
HRAC Group 9 (Legacy G)
| 5592 | Spring Barley |
36
| Setaria viridis | Green Foxtail | Canada (Manitoba) | Canada | Manitoba | 1988 | 7 |
Inhibition of Microtubule Assembly HRAC Group 3 (Legacy K1)
| 52 | Spring Barley |
37
| Kochia scoparia | Kochia | Canada (Manitoba) | Canada | Manitoba | 1988 | 7 |
Inhibition of Acetolactate Synthase
HRAC Group 2 (Legacy B)
| 57 | Spring Barley |
38
| Avena fatua | Wild Oat | Canada (Manitoba) | Canada | Manitoba | 1990 | 7 |
Inhibition of Acetyl CoA Carboxylase
HRAC Group 1 (Legacy A)
| 50 | Spring Barley |
39
| Sinapis arvensis | Wild Mustard | Canada (Manitoba) | Canada | Manitoba | 1990 | 7 |
Auxin Mimics
HRAC Group 4 (Legacy O)
| 55 | Spring Barley |
40
| Setaria viridis | Green Foxtail | Canada (Manitoba) | Canada | Manitoba | 1991 | 7 |
Inhibition of Acetyl CoA Carboxylase
HRAC Group 1 (Legacy A)
| 53 | Spring Barley |
41
| Sinapis arvensis | Wild Mustard | Canada (Manitoba) | Canada | Manitoba | 1992 | 7 |
Inhibition of Acetolactate Synthase
HRAC Group 2 (Legacy B)
| 54 | Spring Barley |
42
| Setaria viridis | Green Foxtail | Canada (Manitoba) | Canada | Manitoba | 1992 | 7 |
Multiple Resistance: 2 Sites of Action Inhibition of Acetyl CoA Carboxylase
HRAC Group 1 (Legacy A) Inhibition of Microtubule Assembly HRAC Group 3 (Legacy K1)
| 5037 | Spring Barley |
43
| Avena fatua | Wild Oat | Canada (Manitoba) | Canada | Manitoba | 1994 | 7 |
Multiple Resistance: 3 Sites of Action Inhibition of Acetyl CoA Carboxylase
HRAC Group 1 (Legacy A) Inhibition of Acetolactate Synthase
HRAC Group 2 (Legacy B) Antimicrotubule mitotic disrupter HRAC Group 25 (Legacy Z)
| 51 | Spring Barley |
44
| Avena fatua | Wild Oat | Canada (Saskatchewan) | Canada | Saskatchewan | 1990 | 7 |
Inhibition of Acetyl CoA Carboxylase
HRAC Group 1 (Legacy A)
| 5041 | Spring Barley |
45
| Setaria viridis | Green Foxtail | Canada (Saskatchewan) | Canada | Saskatchewan | 1991 | 7 |
Inhibition of Microtubule Assembly HRAC Group 3 (Legacy K1)
| 5040 | Spring Barley |
46
| Setaria viridis | Green Foxtail | Canada (Saskatchewan) | Canada | Saskatchewan | 1996 | 7 |
Inhibition of Acetyl CoA Carboxylase
HRAC Group 1 (Legacy A)
| 5038 | Spring Barley |
47
| Setaria viridis | Green Foxtail | Canada (Saskatchewan) | Canada | Saskatchewan | 1996 | 7 |
Multiple Resistance: 2 Sites of Action Inhibition of Acetyl CoA Carboxylase
HRAC Group 1 (Legacy A) Inhibition of Microtubule Assembly HRAC Group 3 (Legacy K1)
| 5070 | Spring Barley |
48
| Avena fatua | Wild Oat | Canada (Saskatchewan) | Canada | Saskatchewan | 1996 | 7 |
Multiple Resistance: 3 Sites of Action Inhibition of Acetyl CoA Carboxylase
HRAC Group 1 (Legacy A) Inhibition of Acetolactate Synthase
HRAC Group 2 (Legacy B) Very Long-Chain Fatty Acid Synthesis inhibitors HRAC Group 15 (Legacy K3 N)
| 5074 | Spring Barley |
49
| Lolium persicum | Persian Darnel | Canada (Saskatchewan) | Canada | Saskatchewan | 2004 | 7 |
Inhibition of Acetyl CoA Carboxylase
HRAC Group 1 (Legacy A)
| 5244 | Spring Barley |
50
| Stellaria media | Common Chickweed | Canada (Saskatchewan) | Canada | Saskatchewan | 2005 | 7 |
Inhibition of Acetolactate Synthase
HRAC Group 2 (Legacy B)
| 5322 | Spring Barley |
51
| Galium spurium | False Cleavers | Canada (Saskatchewan) | Canada | Saskatchewan | 2006 | 7 |
Inhibition of Acetolactate Synthase
HRAC Group 2 (Legacy B)
| 5321 | Spring Barley |
52
| Chenopodium album | Common Lambsquarters | Canada (Saskatchewan) | Canada | Saskatchewan | 2009 | 7 |
Inhibition of Acetolactate Synthase
HRAC Group 2 (Legacy B)
| 5627 | Spring Barley |
53
| Kochia scoparia | Kochia | Canada (Saskatchewan) | Canada | Saskatchewan | 2012 | 7 |
Multiple Resistance: 2 Sites of Action Inhibition of Acetolactate Synthase
HRAC Group 2 (Legacy B) Inhibition of Enolpyruvyl Shikimate Phosphate Synthase
HRAC Group 9 (Legacy G)
| 7834 | Spring Barley |
54
| Lolium perenne ssp. multiflorum | Italian Ryegrass | Chile | Chile | | 2007 | 8 |
Multiple Resistance: 3 Sites of Action Inhibition of Acetyl CoA Carboxylase
HRAC Group 1 (Legacy A) Inhibition of Acetolactate Synthase
HRAC Group 2 (Legacy B) Inhibition of Enolpyruvyl Shikimate Phosphate Synthase
HRAC Group 9 (Legacy G)
| 5452 | Spring Barley |
55
| Avena sterilis | Sterile Oat | Cyprus | Cyprus | | 2010 | 53 |
Inhibition of Acetyl CoA Carboxylase
HRAC Group 1 (Legacy A)
| 5643 | Spring Barley |
56
| Stellaria media | Common Chickweed | Denmark | Denmark | | 1991 | 13 |
Inhibition of Acetolactate Synthase
HRAC Group 2 (Legacy B)
| 86 | Spring Barley |
57
| Tripleurospermum perforatum (=T. inodorum) | Scentless Chamomile | Denmark | Denmark | | 2010 | 13 |
Inhibition of Acetolactate Synthase
HRAC Group 2 (Legacy B)
| 5673 | Spring Barley |
58
| Capsella bursa-pastoris | Shepherd's-purse | Denmark | Denmark | | 2012 | 13 |
Inhibition of Acetolactate Synthase
HRAC Group 2 (Legacy B)
| 8910 | Spring Barley |
59
| Stellaria media | Common Chickweed | Finland | Finland | | 2013 | 139 |
Inhibition of Acetolactate Synthase
HRAC Group 2 (Legacy B)
| 9946 | Spring Barley |
60
| Apera spica-venti | Silky Windgrass | Germany | Germany | | 2009 | 18 |
Multiple Resistance: 3 Sites of Action Inhibition of Acetyl CoA Carboxylase
HRAC Group 1 (Legacy A) Inhibition of Acetolactate Synthase
HRAC Group 2 (Legacy B) PSII inhibitors - Serine 264 Binders
HRAC Group 5 (Legacy C1 C2)
| 5410 | Spring Barley |
61
| Stellaria media | Common Chickweed | Germany | Germany | | 2011 | 18 |
Inhibition of Acetolactate Synthase
HRAC Group 2 (Legacy B)
| 6744 | Spring Barley |
62
| Avena fatua | Wild Oat | Ireland | Ireland | | 2019 | 81 |
Inhibition of Acetyl CoA Carboxylase
HRAC Group 1 (Legacy A)
| 18200 | Spring Barley |
63
| Alopecurus aequalis | Shortawn Foxtail | Japan | Japan | | 2004 | 25 |
Multiple Resistance: 2 Sites of Action Inhibition of Acetolactate Synthase
HRAC Group 2 (Legacy B) Inhibition of Microtubule Assembly HRAC Group 3 (Legacy K1)
| 5570 | Spring Barley |
64
| Beckmannia syzigachne | American Sloughgrass | Japan | Japan | | 2010 | 25 |
Inhibition of Microtubule Assembly HRAC Group 3 (Legacy K1)
| 7768 | Spring Barley |
65
| Sonchus asper | Spiny Sowthistle | Norway | Norway | | 2006 | 31 |
Inhibition of Acetolactate Synthase
HRAC Group 2 (Legacy B)
| 10976 | Spring Barley |
66
| Polygonum persicaria | Ladysthumb | Norway | Norway | | 2009 | 31 |
Inhibition of Acetolactate Synthase
HRAC Group 2 (Legacy B)
| 10977 | Spring Barley |
67
| Avena fatua | Wild Oat | Poland | Poland | | 2011 | 33 |
Inhibition of Acetyl CoA Carboxylase
HRAC Group 1 (Legacy A)
| 6761 | Spring Barley |
68
| Avena fatua | Wild Oat | Poland | Poland | | 2011 | 33 |
Inhibition of Acetolactate Synthase
HRAC Group 2 (Legacy B)
| 6762 | Spring Barley |
69
| Avena fatua | Wild Oat | Poland | Poland | | 2011 | 33 |
Multiple Resistance: 2 Sites of Action Inhibition of Acetyl CoA Carboxylase
HRAC Group 1 (Legacy A) Inhibition of Acetolactate Synthase
HRAC Group 2 (Legacy B)
| 6763 | Spring Barley |
70
| Raphanus raphanistrum | Wild Radish | South Africa | South Africa | | 1997 | 37 |
Inhibition of Acetolactate Synthase
HRAC Group 2 (Legacy B)
| 5197 | Spring Barley |
71
| Stellaria media | Common Chickweed | Sweden | Sweden | | 1995 | 40 |
Inhibition of Acetolactate Synthase
HRAC Group 2 (Legacy B)
| 510 | Spring Barley |
72
| Avena fatua | Wild Oat | United States (California) | United States | California | 1996 | 45 |
Cell elongation inhibitors HRAC Group 8 (Legacy Z)
| 1176 | Spring Barley |
73
| Avena fatua | Wild Oat | United States (Colorado) | United States | Colorado | 1997 | 45 |
Inhibition of Acetyl CoA Carboxylase
HRAC Group 1 (Legacy A)
| 1052 | Spring Barley |
74
| Avena fatua | Wild Oat | United States (Montana) | United States | Montana | 1990 | 45 |
Multiple Resistance: 2 Sites of Action Very Long-Chain Fatty Acid Synthesis inhibitors HRAC Group 15 (Legacy K3 N) Cell elongation inhibitors HRAC Group 8 (Legacy Z)
| 412 | Spring Barley |
75
| Setaria viridis | Green Foxtail | United States (Montana) | United States | Montana | 2005 | 45 |
Inhibition of Acetyl CoA Carboxylase
HRAC Group 1 (Legacy A)
| 7804 | Spring Barley |
76
| Stellaria media | Common Chickweed | United States (Pennsylvania) | United States | Pennsylvania | 2010 | 45 |
Inhibition of Acetolactate Synthase
HRAC Group 2 (Legacy B)
| 7898 | Spring Barley |
77
| Anthemis cotula | Mayweed Chamomile | United States (Washington) | United States | Washington | 2010 | 45 |
Inhibition of Acetolactate Synthase
HRAC Group 2 (Legacy B)
| 10987 | Spring Barley |