International Survey of Herbicide-Resistant Weeds

Countries Weeds Herbicides Mutations Graphs References Researchers
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Herbicide Resistant Weeds in United States
Herbicide Resistant Weeds in United States
Herbicide Resistant Weeds in United States
State  
Herbicide Resistant Weeds in United States
 #SpeciesCommon NameState NameFirst YearSite of Action

State: Alabama

  1 Poa annuaAnnual BluegrassUnited StatesAlabama198045 Photosystem II inhibitors (C1/5)
1166
  2 Eleusine indicaGoosegrassUnited StatesAlabama198745 Microtubule inhibitors (K1/3)
223
  3 Xanthium strumariumCommon cockleburUnited StatesAlabama198845 Nucleic acid inhibitors (Z/17)
224
  4 Amaranthus palmeriPalmer AmaranthUnited StatesAlabama200845 EPSP synthase inhibitors (G/9)
5388
  5 Poa annuaAnnual BluegrassUnited StatesAlabama201245 ALS inhibitors (B/2)
5644
  6 Poa annuaAnnual BluegrassUnited StatesAlabama201245 Microtubule inhibitors (K1/3)
5695
  7 Conyza canadensisHorseweedUnited StatesAlabama201345 EPSP synthase inhibitors (G/9)
7783
  8 Ambrosia artemisiifoliaCommon RagweedUnited StatesAlabama201345 EPSP synthase inhibitors (G/9)
7784
  9 Cyperus compressusAnnual SedgeUnited StatesAlabama201545 ALS inhibitors (B/2)
11012
  10 Eleusine indicaGoosegrassUnited StatesAlabama201945 PSI Electron Diverter (D/22)
18191

State: Arizona

  11 Amaranthus palmeriPalmer AmaranthUnited StatesArizona201245 Multiple Resistance: 2 Sites of Action
ALS inhibitors (B/2)
EPSP synthase inhibitors (G/9)
5699

State: Arkansas

  12 Eleusine indicaGoosegrassUnited StatesArkansas198945 Microtubule inhibitors (K1/3)
400
  13 Xanthium strumariumCommon cockleburUnited StatesArkansas198945 Nucleic acid inhibitors (Z/17)
404
  14 Echinochloa crus-galli var. crus-galliBarnyardgrassUnited StatesArkansas199045 PSII inhibitor (Ureas and amides) (C2/7)
399
  15 Amaranthus palmeriPalmer AmaranthUnited StatesArkansas199445 ALS inhibitors (B/2)
403
  16 Xanthium strumariumCommon cockleburUnited StatesArkansas199545 ALS inhibitors (B/2)
401
  17 Amaranthus retroflexusRedroot PigweedUnited StatesArkansas199545 ALS inhibitors (B/2)
402
  18 Lolium perenne ssp. multiflorumItalian RyegrassUnited StatesArkansas199545 Multiple Resistance: 2 Sites of Action
ACCase inhibitors (A/1)
ALS inhibitors (B/2)
1097
  19 Echinochloa crus-galli var. crus-galliBarnyardgrassUnited StatesArkansas199945 Multiple Resistance: 2 Sites of Action
PSII inhibitor (Ureas and amides) (C2/7)
Synthetic Auxins (O/4)
1188
  20 Oryza sativa var. sylvaticaRed RiceUnited StatesArkansas200245 ALS inhibitors (B/2)
13046
  21 Conyza canadensisHorseweedUnited StatesArkansas200345 EPSP synthase inhibitors (G/9)
5187
  22 Lolium perenne ssp. multiflorumItalian RyegrassUnited StatesArkansas200345 ALS inhibitors (B/2)
5399
  23 Ambrosia artemisiifoliaCommon RagweedUnited StatesArkansas200445 EPSP synthase inhibitors (G/9)
5261
  24 Ambrosia trifidaGiant RagweedUnited StatesArkansas200545 EPSP synthase inhibitors (G/9)
5345
  25 Lolium perenne ssp. multiflorumItalian RyegrassUnited StatesArkansas200545 ACCase inhibitors (A/1)
5409
  26 Amaranthus palmeriPalmer AmaranthUnited StatesArkansas200645 EPSP synthase inhibitors (G/9)
5296
  27 Sorghum halepenseJohnsongrassUnited StatesArkansas200745 EPSP synthase inhibitors (G/9)
5344
  28 Lolium perenne ssp. multiflorumItalian RyegrassUnited StatesArkansas200845 EPSP synthase inhibitors (G/9)
5401
  29 Echinochloa crus-galli var. crus-galliBarnyardgrassUnited StatesArkansas200845 DOXP inhibitors (F4/13)
5563
  30 Cyperus iriaRice FlatsedgeUnited StatesArkansas201045 ALS inhibitors (B/2)
5560
  31 Cyperus difformisSmallflower Umbrella SedgeUnited StatesArkansas201045 ALS inhibitors (B/2)
5562
  32 Echinochloa colonaJunglericeUnited StatesArkansas201145 Multiple Resistance: 3 Sites of Action
ALS inhibitors (B/2)
PSII inhibitor (Ureas and amides) (C2/7)
Cellulose inhibitors (L/26)
10956
  33 Amaranthus palmeriPalmer AmaranthUnited StatesArkansas201145 Multiple Resistance: 2 Sites of Action
ALS inhibitors (B/2)
PPO inhibitors (E/14)
11006
  34 Cyperus esculentusYellow NutsedgeUnited StatesArkansas201345 ALS inhibitors (B/2)
6752
  35 Amaranthus tuberculatus (=A. rudis)Tall WaterhempUnited StatesArkansas201545 EPSP synthase inhibitors (G/9)
10980
  36 Amaranthus palmeriPalmer AmaranthUnited StatesArkansas201645 Multiple Resistance: 5 Sites of Action
ALS inhibitors (B/2)
PPO inhibitors (E/14)
EPSP synthase inhibitors (G/9)
Microtubule inhibitors (K1/3)
Long chain fatty acid inhibitors (K3/15)
18156
  37 Amaranthus palmeriPalmer AmaranthUnited StatesArkansas201745 Long chain fatty acid inhibitors (K3/15)
18154

State: California

  38 Senecio vulgarisCommon GroundselUnited StatesCalifornia198145 Photosystem II inhibitors (C1/5)
1037
  39 Lolium perennePerennial RyegrassUnited StatesCalifornia198945 ALS inhibitors (B/2)
396
  40 Sagittaria montevidensisCalifornia ArrowheadUnited StatesCalifornia199345 ALS inhibitors (B/2)
390
  41 Cyperus difformisSmallflower Umbrella SedgeUnited StatesCalifornia199345 ALS inhibitors (B/2)
391
  42 Salsola tragusRussian-thistleUnited StatesCalifornia199445 ALS inhibitors (B/2)
1036
  43 Avena fatuaWild OatUnited StatesCalifornia199645 Cell elongation inhibitors (Z/8)
1176
  44 Ammannia auriculataEared RedstemUnited StatesCalifornia199745 ALS inhibitors (B/2)
1098
  45 Schoenoplectus mucronatus (=Scirpus mucronatus)Ricefield BulrushUnited StatesCalifornia199745 ALS inhibitors (B/2)
1099
  46 Echinochloa phyllopogon (=E. oryzicola)Late WatergrassUnited StatesCalifornia199845 ACCase inhibitors (A/1)
283
  47 Lolium rigidumRigid RyegrassUnited StatesCalifornia199845 EPSP synthase inhibitors (G/9)
1034
  48 Echinochloa phyllopogon (=E. oryzicola)Late WatergrassUnited StatesCalifornia199845 Lipid Inhibitors (N/8)
1035
  49 Ammannia coccineaRedstemUnited StatesCalifornia200045 ALS inhibitors (B/2)
5135
  50 Echinochloa crus-galli var. crus-galliBarnyardgrassUnited StatesCalifornia200045 Multiple Resistance: 2 Sites of Action
ACCase inhibitors (A/1)
Lipid Inhibitors (N/8)
5136
  51 Echinochloa phyllopogon (=E. oryzicola)Late WatergrassUnited StatesCalifornia200045 Multiple Resistance: 2 Sites of Action
ACCase inhibitors (A/1)
Lipid Inhibitors (N/8)
5137
  52 Echinochloa oryzoidesEarly WatergrassUnited StatesCalifornia200045 Lipid Inhibitors (N/8)
5492
  53 Phalaris minorLittle seed Canary grassUnited StatesCalifornia200145 ACCase inhibitors (A/1)
5163
  54 Digitaria ischaemumSmooth CrabgrassUnited StatesCalifornia200245 Synthetic Auxins (O/4)
5134
  55 Conyza canadensisHorseweedUnited StatesCalifornia200545 EPSP synthase inhibitors (G/9)
5250
  56 Conyza bonariensisHairy FleabaneUnited StatesCalifornia200745 EPSP synthase inhibitors (G/9)
5310
  57 Echinochloa colonaJunglericeUnited StatesCalifornia200845 EPSP synthase inhibitors (G/9)
5545
  58 Lolium perenne ssp. multiflorumItalian RyegrassUnited StatesCalifornia200845 EPSP synthase inhibitors (G/9)
5698
  59 Conyza bonariensisHairy FleabaneUnited StatesCalifornia200945 Multiple Resistance: 2 Sites of Action
PSI Electron Diverter (D/22)
EPSP synthase inhibitors (G/9)
5390
  60 Cyperus difformisSmallflower Umbrella SedgeUnited StatesCalifornia201345 PSII inhibitor (Ureas and amides) (C2/7)
6739
  61 Poa annuaAnnual BluegrassUnited StatesCalifornia201345 EPSP synthase inhibitors (G/9)
7805
  62 Schoenoplectus mucronatus (=Scirpus mucronatus)Ricefield BulrushUnited StatesCalifornia201445 PSII inhibitor (Ureas and amides) (C2/7)
9924
  63 Conyza canadensisHorseweedUnited StatesCalifornia201445 Multiple Resistance: 2 Sites of Action
PSI Electron Diverter (D/22)
EPSP synthase inhibitors (G/9)
9943
  64 Amaranthus palmeriPalmer AmaranthUnited StatesCalifornia201545 EPSP synthase inhibitors (G/9)
13041
  65 Lolium perenne ssp. multiflorumItalian RyegrassUnited StatesCalifornia201545 Glutamine synthase inhibitors (H/10)
13044
  66 Lolium perenne ssp. multiflorumItalian RyegrassUnited StatesCalifornia201545 Multiple Resistance: 3 Sites of Action
ACCase inhibitors (A/1)
PSI Electron Diverter (D/22)
EPSP synthase inhibitors (G/9)
15066
  67 Lolium perenne ssp. multiflorumItalian RyegrassUnited StatesCalifornia201645 Multiple Resistance: 4 Sites of Action
ACCase inhibitors (A/1)
ALS inhibitors (B/2)
PSI Electron Diverter (D/22)
EPSP synthase inhibitors (G/9)
17104

State: Colorado

  68 Amaranthus retroflexusRedroot PigweedUnited StatesColorado198245 Photosystem II inhibitors (C1/5)
430
  69 Kochia scopariaKochiaUnited StatesColorado198245 Photosystem II inhibitors (C1/5)
431
  70 Kochia scopariaKochiaUnited StatesColorado198945 ALS inhibitors (B/2)
1049
  71 Avena fatuaWild OatUnited StatesColorado199745 ACCase inhibitors (A/1)
1052
  72 Kochia scopariaKochiaUnited StatesColorado199945 Synthetic Auxins (O/4)
7868
  73 Kochia scopariaKochiaUnited StatesColorado201245 EPSP synthase inhibitors (G/9)
5714
  74 Secale cerealeFeral RyeUnited StatesColorado201845 ALS inhibitors (B/2)
18182

State: Connecticut

  75 Amaranthus retroflexusRedroot PigweedUnited StatesConnecticut198445 Photosystem II inhibitors (C1/5)
1071
  76 Chenopodium albumCommon LambsquartersUnited StatesConnecticut199245 Photosystem II inhibitors (C1/5)
1072
  77 Amaranthus palmeriPalmer AmaranthUnited StatesConnecticut201945 Multiple Resistance: 2 Sites of Action
ALS inhibitors (B/2)
EPSP synthase inhibitors (G/9)
18206

State: Delaware

  78 Amaranthus hybridus (syn: quitensis)Smooth PigweedUnited StatesDelaware197745 Photosystem II inhibitors (C1/5)
492
  79 Chenopodium albumCommon LambsquartersUnited StatesDelaware198845 Photosystem II inhibitors (C1/5)
491
  80 Conyza canadensisHorseweedUnited StatesDelaware200045 EPSP synthase inhibitors (G/9)
5086
  81 Amaranthus hybridus (syn: quitensis)Smooth PigweedUnited StatesDelaware200045 ALS inhibitors (B/2)
5160
  82 Conyza canadensisHorseweedUnited StatesDelaware200345 PSI Electron Diverter (D/22)
5257
  83 Ambrosia artemisiifoliaCommon RagweedUnited StatesDelaware200545 Multiple Resistance: 2 Sites of Action
ALS inhibitors (B/2)
PPO inhibitors (E/14)
5265
  84 Conyza canadensisHorseweedUnited StatesDelaware201045 Multiple Resistance: 2 Sites of Action
ALS inhibitors (B/2)
EPSP synthase inhibitors (G/9)
5710
  85 Amaranthus palmeriPalmer AmaranthUnited StatesDelaware201245 EPSP synthase inhibitors (G/9)
5707
  86 Stellaria mediaCommon ChickweedUnited StatesDelaware201245 ALS inhibitors (B/2)
5708
  87 Lolium perenne ssp. multiflorumItalian RyegrassUnited StatesDelaware201245 ALS inhibitors (B/2)
5709
  88 Amaranthus palmeriPalmer AmaranthUnited StatesDelaware201445 Multiple Resistance: 2 Sites of Action
ALS inhibitors (B/2)
EPSP synthase inhibitors (G/9)
8914

State: Florida

  89 Solanum americanumAmerican Black NightshadeUnited StatesFlorida198545 PSI Electron Diverter (D/22)
226
  90 Eleusine indicaGoosegrassUnited StatesFlorida199645 PSI Electron Diverter (D/22)
5053
  91 Landoltia punctataDotted DuckweedUnited StatesFlorida200145 PSI Electron Diverter (D/22)
5247
  92 Hydrilla verticillataHydrillaUnited StatesFlorida200245 Carotenoid biosynthesis inhibitors (F1/12)
5166
  93 Amaranthus palmeriPalmer AmaranthUnited StatesFlorida200845 ALS inhibitors (B/2)
5369
  94 Amaranthus palmeriPalmer AmaranthUnited StatesFlorida201345 EPSP synthase inhibitors (G/9)
7869
  95 Amaranthus palmeriPalmer AmaranthUnited StatesFlorida201345 Multiple Resistance: 2 Sites of Action
ALS inhibitors (B/2)
EPSP synthase inhibitors (G/9)
7870
  96 Parthenium hysterophorusRagweed PartheniumUnited StatesFlorida201445 EPSP synthase inhibitors (G/9)
11003

State: Georgia

  97 Eleusine indicaGoosegrassUnited StatesGeorgia199245 Microtubule inhibitors (K1/3)
1043
  98 Sida spinosaPrickly SidaUnited StatesGeorgia199345 ALS inhibitors (B/2)
325
  99 Lolium perenne ssp. multiflorumItalian RyegrassUnited StatesGeorgia199545 ACCase inhibitors (A/1)
543
  100 Amaranthus palmeriPalmer AmaranthUnited StatesGeorgia200045 ALS inhibitors (B/2)
5092
  101 Amaranthus palmeriPalmer AmaranthUnited StatesGeorgia200545 EPSP synthase inhibitors (G/9)
5256
  102 Amaranthus palmeriPalmer AmaranthUnited StatesGeorgia200845 Multiple Resistance: 2 Sites of Action
ALS inhibitors (B/2)
EPSP synthase inhibitors (G/9)
5498
  103 Amaranthus palmeriPalmer AmaranthUnited StatesGeorgia200845 Photosystem II inhibitors (C1/5)
5499
  104 Digitaria sanguinalisLarge CrabgrassUnited StatesGeorgia200845 ACCase inhibitors (A/1)
7787
  105 Lolium perenne ssp. multiflorumItalian RyegrassUnited StatesGeorgia200945 Multiple Resistance: 2 Sites of Action
ACCase inhibitors (A/1)
ALS inhibitors (B/2)
5500
  106 Amaranthus palmeriPalmer AmaranthUnited StatesGeorgia201045 Multiple Resistance: 3 Sites of Action
ALS inhibitors (B/2)
Photosystem II inhibitors (C1/5)
EPSP synthase inhibitors (G/9)
7788
  107 Chamaesyce maculataSpotted SpurgeUnited StatesGeorgia201445 ALS inhibitors (B/2)
13035

State: Hawaii

  108 Commelina diffusaSpreading DayflowerUnited StatesHawaii195745 Synthetic Auxins (O/4)
394
  109 Chloris barbata = (C. inflate)Swollen FingergrassUnited StatesHawaii198745 Photosystem II inhibitors (C1/5)
227
  110 Chloris barbata = (C. inflate)Swollen FingergrassUnited StatesHawaii198745 PSII inhibitor (Ureas and amides) (C2/7)
228
  111 Eleusine indicaGoosegrassUnited StatesHawaii200345 Photosystem II inhibitors (C1/5)
5533

State: Idaho

  112 Lactuca serriolaPrickly LettuceUnited StatesIdaho198745 ALS inhibitors (B/2)
230
  113 Kochia scopariaKochiaUnited StatesIdaho198945 ALS inhibitors (B/2)
232
  114 Salsola tragusRussian-thistleUnited StatesIdaho199045 ALS inhibitors (B/2)
512
  115 Lolium perenne ssp. multiflorumItalian RyegrassUnited StatesIdaho199145 ACCase inhibitors (A/1)
519
  116 Avena fatuaWild OatUnited StatesIdaho199245 ACCase inhibitors (A/1)
235
  117 Avena fatuaWild OatUnited StatesIdaho199345 Multiple Resistance: 2 Sites of Action
Lipid Inhibitors (N/8)
Cell elongation inhibitors (Z/8)
234
  118 Anthemis cotulaMayweed ChamomileUnited StatesIdaho199745 ALS inhibitors (B/2)
524
  119 Kochia scopariaKochiaUnited StatesIdaho199745 Synthetic Auxins (O/4)
1058
  120 Lolium perenne ssp. multiflorumItalian RyegrassUnited StatesIdaho200545 Multiple Resistance: 3 Sites of Action
ACCase inhibitors (A/1)
ALS inhibitors (B/2)
Long chain fatty acid inhibitors (K3/15)
5280
  121 Amaranthus retroflexusRedroot PigweedUnited StatesIdaho200545 Photosystem II inhibitors (C1/5)
5293
  122 Kochia scopariaKochiaUnited StatesIdaho201445 EPSP synthase inhibitors (G/9)
9945

State: Illinois

  123 Chenopodium albumCommon LambsquartersUnited StatesIllinois198545 Photosystem II inhibitors (C1/5)
237
  124 Kochia scopariaKochiaUnited StatesIllinois199245 Photosystem II inhibitors (C1/5)
238
  125 Amaranthus hybridus (syn: quitensis)Smooth PigweedUnited StatesIllinois199345 Photosystem II inhibitors (C1/5)
236
  126 Amaranthus tuberculatus (=A. rudis)Tall WaterhempUnited StatesIllinois199345 ALS inhibitors (B/2)
5183
  127 Kochia scopariaKochiaUnited StatesIllinois199545 Multiple Resistance: 2 Sites of Action
ALS inhibitors (B/2)
Photosystem II inhibitors (C1/5)
1126
  128 Amaranthus tuberculatus (=A. rudis)Tall WaterhempUnited StatesIllinois199645 Multiple Resistance: 2 Sites of Action
ALS inhibitors (B/2)
Photosystem II inhibitors (C1/5)
1127
  129 Ambrosia artemisiifoliaCommon RagweedUnited StatesIllinois199845 ALS inhibitors (B/2)
1114
  130 Ambrosia trifidaGiant RagweedUnited StatesIllinois199845 ALS inhibitors (B/2)
1124
  131 Xanthium strumariumCommon cockleburUnited StatesIllinois199845 ALS inhibitors (B/2)
7858
  132 Amaranthus hybridus (syn: quitensis)Smooth PigweedUnited StatesIllinois199845 ALS inhibitors (B/2)
7859
  133 Setaria faberiGiant FoxtailUnited StatesIllinois199845 ACCase inhibitors (A/1)
7863
  134 Solanum ptycanthumEastern Black NightshadeUnited StatesIllinois199945 ALS inhibitors (B/2)
5184
  135 Amaranthus hybridus (syn: quitensis)Smooth PigweedUnited StatesIllinois200045 Multiple Resistance: 2 Sites of Action
ALS inhibitors (B/2)
Photosystem II inhibitors (C1/5)
7860
  136 Sorghum bicolorShattercaneUnited StatesIllinois200045 ALS inhibitors (B/2)
7861
  137 Amaranthus tuberculatus (=A. rudis)Tall WaterhempUnited StatesIllinois200145 Photosystem II inhibitors (C1/5)
5182
  138 Amaranthus tuberculatus (=A. rudis)Tall WaterhempUnited StatesIllinois200245 Multiple Resistance: 3 Sites of Action
ALS inhibitors (B/2)
Photosystem II inhibitors (C1/5)
PPO inhibitors (E/14)
5171
  139 Conyza canadensisHorseweedUnited StatesIllinois200545 EPSP synthase inhibitors (G/9)
5276
  140 Amaranthus tuberculatus (=A. rudis)Tall WaterhempUnited StatesIllinois200645 Multiple Resistance: 2 Sites of Action
ALS inhibitors (B/2)
EPSP synthase inhibitors (G/9)
5311
  141 Setaria faberiGiant FoxtailUnited StatesIllinois200745 ALS inhibitors (B/2)
7862
  142 Amaranthus tuberculatus (=A. rudis)Tall WaterhempUnited StatesIllinois200945 Multiple Resistance: 3 Sites of Action
ALS inhibitors (B/2)
Photosystem II inhibitors (C1/5)
HPPD inhibitors (F2/27)
5491
  143 Amaranthus tuberculatus (=A. rudis)Tall WaterhempUnited StatesIllinois200945 Multiple Resistance: 4 Sites of Action
ALS inhibitors (B/2)
Photosystem II inhibitors (C1/5)
PPO inhibitors (E/14)
EPSP synthase inhibitors (G/9)
7864
  144 Amaranthus palmeriPalmer AmaranthUnited StatesIllinois201045 EPSP synthase inhibitors (G/9)
5543
  145 Conyza canadensisHorseweedUnited StatesIllinois201345 ALS inhibitors (B/2)
7865
  146 Amaranthus palmeriPalmer AmaranthUnited StatesIllinois201345 ALS inhibitors (B/2)
7866
  147 Amaranthus palmeriPalmer AmaranthUnited StatesIllinois201345 Multiple Resistance: 2 Sites of Action
ALS inhibitors (B/2)
EPSP synthase inhibitors (G/9)
7867
  148 Amaranthus palmeriPalmer AmaranthUnited StatesIllinois201645 Multiple Resistance: 2 Sites of Action
PPO inhibitors (E/14)
EPSP synthase inhibitors (G/9)
13050
  149 Amaranthus tuberculatus (=A. rudis)Tall WaterhempUnited StatesIllinois201645 Multiple Resistance: 5 Sites of Action
ALS inhibitors (B/2)
Photosystem II inhibitors (C1/5)
PPO inhibitors (E/14)
HPPD inhibitors (F2/27)
Synthetic Auxins (O/4)
14051
  150 Amaranthus tuberculatus (=A. rudis)Tall WaterhempUnited StatesIllinois201645 Long chain fatty acid inhibitors (K3/15)
18152

State: Indiana

  151 Amaranthus retroflexusRedroot PigweedUnited StatesIndiana198045 Photosystem II inhibitors (C1/5)
408
  152 Chenopodium albumCommon LambsquartersUnited StatesIndiana198045 Photosystem II inhibitors (C1/5)
409
  153 Datura stramoniumJimsonweedUnited StatesIndiana199245 Photosystem II inhibitors (C1/5)
407
  154 Kochia scopariaKochiaUnited StatesIndiana199545 Multiple Resistance: 2 Sites of Action
ALS inhibitors (B/2)
Photosystem II inhibitors (C1/5)
405
  155 Ambrosia artemisiifoliaCommon RagweedUnited StatesIndiana199845 ALS inhibitors (B/2)
1113
  156 Ambrosia trifidaGiant RagweedUnited StatesIndiana199845 ALS inhibitors (B/2)
1123
  157 Conyza canadensisHorseweedUnited StatesIndiana200245 EPSP synthase inhibitors (G/9)
5128
  158 Setaria faberiGiant FoxtailUnited StatesIndiana200445 ALS inhibitors (B/2)
5520
  159 Ambrosia trifidaGiant RagweedUnited StatesIndiana200545 EPSP synthase inhibitors (G/9)
5279
  160 Sorghum halepenseJohnsongrassUnited StatesIndiana200545 ALS inhibitors (B/2)
5282
  161 Amaranthus tuberculatus (=A. rudis)Tall WaterhempUnited StatesIndiana200545 ALS inhibitors (B/2)
5521
  162 Conyza canadensisHorseweedUnited StatesIndiana200545 ALS inhibitors (B/2)
7836
  163 Sorghum bicolorShattercaneUnited StatesIndiana200645 ALS inhibitors (B/2)
5281
  164 Ambrosia artemisiifoliaCommon RagweedUnited StatesIndiana200745 EPSP synthase inhibitors (G/9)
5519
  165 Amaranthus tuberculatus (=A. rudis)Tall WaterhempUnited StatesIndiana200945 EPSP synthase inhibitors (G/9)
5518
  166 Amaranthus palmeriPalmer AmaranthUnited StatesIndiana201245 EPSP synthase inhibitors (G/9)
7835
  167 Amaranthus tuberculatus (=A. rudis)Tall WaterhempUnited StatesIndiana201445 PPO inhibitors (E/14)
8919
  168 Plantago lanceolataBuckhorn PlantainUnited StatesIndiana201645 Synthetic Auxins (O/4)
17133

State: Iowa

  169 Kochia scopariaKochiaUnited StatesIowa198545 Photosystem II inhibitors (C1/5)
243
  170 Chenopodium albumCommon LambsquartersUnited StatesIowa198945 Photosystem II inhibitors (C1/5)
242
  171 Polygonum pensylvanicumPennsylvania SmartweedUnited StatesIowa199045 Photosystem II inhibitors (C1/5)
240
  172 Setaria faberiGiant FoxtailUnited StatesIowa199245 Photosystem II inhibitors (C1/5)
241
  173 Amaranthus tuberculatus (=A. rudis)Tall WaterhempUnited StatesIowa199345 ALS inhibitors (B/2)
239
  174 Setaria faberiGiant FoxtailUnited StatesIowa199445 ACCase inhibitors (A/1)
1064
  175 Xanthium strumariumCommon cockleburUnited StatesIowa199545 ALS inhibitors (B/2)
1062
  176 Amaranthus tuberculatus (=A. rudis)Tall WaterhempUnited StatesIowa199645 Photosystem II inhibitors (C1/5)
1061
  177 Helianthus annuusCommon SunflowerUnited StatesIowa199745 ALS inhibitors (B/2)
5230
  178 Sorghum bicolorShattercaneUnited StatesIowa199845 ALS inhibitors (B/2)
5229
  179 Ambrosia trifidaGiant RagweedUnited StatesIowa200045 ALS inhibitors (B/2)
5231
  180 Amaranthus tuberculatus (=A. rudis)Tall WaterhempUnited StatesIowa200945 PPO inhibitors (E/14)
5460
  181 Amaranthus tuberculatus (=A. rudis)Tall WaterhempUnited StatesIowa200945 EPSP synthase inhibitors (G/9)
5461
  182 Ambrosia trifidaGiant RagweedUnited StatesIowa200945 EPSP synthase inhibitors (G/9)
5463
  183 Amaranthus tuberculatus (=A. rudis)Tall WaterhempUnited StatesIowa200945 Multiple Resistance: 3 Sites of Action
ALS inhibitors (B/2)
Photosystem II inhibitors (C1/5)
HPPD inhibitors (F2/27)
5490
  184 Conyza canadensisHorseweedUnited StatesIowa201145 EPSP synthase inhibitors (G/9)
5567
  185 Amaranthus tuberculatus (=A. rudis)Tall WaterhempUnited StatesIowa201145 Multiple Resistance: 4 Sites of Action
ALS inhibitors (B/2)
Photosystem II inhibitors (C1/5)
HPPD inhibitors (F2/27)
EPSP synthase inhibitors (G/9)
5576

State: Kansas

  186 Kochia scopariaKochiaUnited StatesKansas197645 Photosystem II inhibitors (C1/5)
1070
  187 Kochia scopariaKochiaUnited StatesKansas198745 ALS inhibitors (B/2)
1042
  188 Amaranthus palmeriPalmer AmaranthUnited StatesKansas199345 ALS inhibitors (B/2)
332
  189 Amaranthus tuberculatus (=A. rudis)Tall WaterhempUnited StatesKansas199545 ALS inhibitors (B/2)
333
  190 Amaranthus tuberculatus (=A. rudis)Tall WaterhempUnited StatesKansas199545 Photosystem II inhibitors (C1/5)
1038
  191 Amaranthus retroflexusRedroot PigweedUnited StatesKansas199545 Photosystem II inhibitors (C1/5)
1039
  192 Amaranthus palmeriPalmer AmaranthUnited StatesKansas199545 Photosystem II inhibitors (C1/5)
1040
  193 Helianthus annuusCommon SunflowerUnited StatesKansas199645 ALS inhibitors (B/2)
499
  194 Sorghum bicolorShattercaneUnited StatesKansas199645 ALS inhibitors (B/2)
500
  195 Xanthium strumariumCommon cockleburUnited StatesKansas199745 ALS inhibitors (B/2)
1041
  196 Amaranthus tuberculatus (=A. rudis)Tall WaterhempUnited StatesKansas200145 Multiple Resistance: 2 Sites of Action
ALS inhibitors (B/2)
PPO inhibitors (E/14)
5112
  197 Conyza canadensisHorseweedUnited StatesKansas200545 EPSP synthase inhibitors (G/9)
5308
  198 Erysimum repandumBushy WallflowerUnited StatesKansas200545 ALS inhibitors (B/2)
5448
  199 Ambrosia trifidaGiant RagweedUnited StatesKansas200645 EPSP synthase inhibitors (G/9)
5304
  200 Amaranthus tuberculatus (=A. rudis)Tall WaterhempUnited StatesKansas200645 EPSP synthase inhibitors (G/9)
5307
  201 Descurainia sophiaFlixweedUnited StatesKansas200645 ALS inhibitors (B/2)
5404
  202 Ambrosia artemisiifoliaCommon RagweedUnited StatesKansas200745 EPSP synthase inhibitors (G/9)
5305
  203 Bromus secalinusCheat (Rye Brome)United StatesKansas200745 ALS inhibitors (B/2)
5446
  204 Bromus japonicusJapanese BromeUnited StatesKansas200745 ALS inhibitors (B/2)
5447
  205 Kochia scopariaKochiaUnited StatesKansas200745 EPSP synthase inhibitors (G/9)
5470
  206 Amaranthus palmeriPalmer AmaranthUnited StatesKansas200945 Multiple Resistance: 3 Sites of Action
ALS inhibitors (B/2)
Photosystem II inhibitors (C1/5)
HPPD inhibitors (F2/27)
5705
  207 Amaranthus palmeriPalmer AmaranthUnited StatesKansas201145 EPSP synthase inhibitors (G/9)
5704
  208 Conyza canadensisHorseweedUnited StatesKansas201145 ALS inhibitors (B/2)
7806
  209 Kochia scopariaKochiaUnited StatesKansas201345 Multiple Resistance: 4 Sites of Action
ALS inhibitors (B/2)
Photosystem II inhibitors (C1/5)
EPSP synthase inhibitors (G/9)
Synthetic Auxins (O/4)
10972
  210 Kochia scopariaKochiaUnited StatesKansas201345 Multiple Resistance: 2 Sites of Action
EPSP synthase inhibitors (G/9)
Synthetic Auxins (O/4)
10973
  211 Lamium amplexicauleHenbit DeadnettleUnited StatesKansas201445 ALS inhibitors (B/2)
10970
  212 Amaranthus palmeriPalmer AmaranthUnited StatesKansas201545 Multiple Resistance: 5 Sites of Action
ALS inhibitors (B/2)
Photosystem II inhibitors (C1/5)
HPPD inhibitors (F2/27)
EPSP synthase inhibitors (G/9)
Synthetic Auxins (O/4)
18157
  213 Amaranthus palmeriPalmer AmaranthUnited StatesKansas201845 Synthetic Auxins (O/4)
18151

State: Kentucky

  214 Amaranthus hybridus (syn: quitensis)Smooth PigweedUnited StatesKentucky198745 Photosystem II inhibitors (C1/5)
489
  215 Sorghum halepenseJohnsongrassUnited StatesKentucky199145 ACCase inhibitors (A/1)
488
  216 Amaranthus hybridus (syn: quitensis)Smooth PigweedUnited StatesKentucky199245 ALS inhibitors (B/2)
490
  217 Conyza canadensisHorseweedUnited StatesKentucky200145 EPSP synthase inhibitors (G/9)
5208
  218 Lolium perenne ssp. multiflorumItalian RyegrassUnited StatesKentucky200445 ACCase inhibitors (A/1)
7877
  219 Ambrosia trifidaGiant RagweedUnited StatesKentucky200545 EPSP synthase inhibitors (G/9)
7878
  220 Ambrosia artemisiifoliaCommon RagweedUnited StatesKentucky200645 EPSP synthase inhibitors (G/9)
7879
  221 Sorghum halepenseJohnsongrassUnited StatesKentucky200645 ALS inhibitors (B/2)
7880
  222 Amaranthus tuberculatus (=A. rudis)Tall WaterhempUnited StatesKentucky201045 EPSP synthase inhibitors (G/9)
7881
  223 Amaranthus palmeriPalmer AmaranthUnited StatesKentucky201045 EPSP synthase inhibitors (G/9)
7882
  224 Stellaria mediaCommon ChickweedUnited StatesKentucky201345 ALS inhibitors (B/2)
7883
  225 Lolium perenne ssp. multiflorumItalian RyegrassUnited StatesKentucky201345 ALS inhibitors (B/2)
7891

State: Louisiana

  226 Xanthium strumariumCommon cockleburUnited StatesLouisiana199245 Nucleic acid inhibitors (Z/17)
1045
  227 Echinochloa crus-galli var. crus-galliBarnyardgrassUnited StatesLouisiana199545 PSII inhibitor (Ureas and amides) (C2/7)
1046
  228 Sorghum halepenseJohnsongrassUnited StatesLouisiana199745 ACCase inhibitors (A/1)
1044
  229 Rottboellia cochinchinensis (=R. exaltata)ItchgrassUnited StatesLouisiana199745 ACCase inhibitors (A/1)
1182
  230 Echinochloa crus-galli var. crus-galliBarnyardgrassUnited StatesLouisiana199845 Synthetic Auxins (O/4)
1180
  231 Leptochloa panicoidesAmazon SprangletopUnited StatesLouisiana200945 ACCase inhibitors (A/1)
5565
  232 Amaranthus palmeriPalmer AmaranthUnited StatesLouisiana201045 EPSP synthase inhibitors (G/9)
5494
  233 Sorghum halepenseJohnsongrassUnited StatesLouisiana201045 EPSP synthase inhibitors (G/9)
5522
  234 Cyperus iriaRice FlatsedgeUnited StatesLouisiana201345 ALS inhibitors (B/2)
7785
  235 Echinochloa crus-galli var. crus-galliBarnyardgrassUnited StatesLouisiana201345 ALS inhibitors (B/2)
7786
  236 Lolium perenne ssp. multiflorumItalian RyegrassUnited StatesLouisiana201445 EPSP synthase inhibitors (G/9)
8898
  237 Amaranthus tuberculatus (=A. rudis)Tall WaterhempUnited StatesLouisiana201545 EPSP synthase inhibitors (G/9)
11005

State: Maine

  238 Chenopodium albumCommon LambsquartersUnited StatesMaine198545 Photosystem II inhibitors (C1/5)
1091
  239 Amaranthus retroflexusRedroot PigweedUnited StatesMaine198545 Photosystem II inhibitors (C1/5)
1092

State: Maryland

  240 Amaranthus hybridus (syn: quitensis)Smooth PigweedUnited StatesMaryland197245 Photosystem II inhibitors (C1/5)
429
  241 Echinochloa crus-galli var. crus-galliBarnyardgrassUnited StatesMaryland197845 Photosystem II inhibitors (C1/5)
426
  242 Chenopodium albumCommon LambsquartersUnited StatesMaryland198245 Photosystem II inhibitors (C1/5)
424
  243 Abutilon theophrastiVelvetleafUnited StatesMaryland198445 Photosystem II inhibitors (C1/5)
425
  244 Setaria pumila (=S. glauca)Yellow FoxtailUnited StatesMaryland198445 Photosystem II inhibitors (C1/5)
427
  245 Setaria faberiGiant FoxtailUnited StatesMaryland198445 Photosystem II inhibitors (C1/5)
428
  246 Lolium perenne ssp. multiflorumItalian RyegrassUnited StatesMaryland199845 ACCase inhibitors (A/1)
1084
  247 Amaranthus retroflexusRedroot PigweedUnited StatesMaryland199845 ALS inhibitors (B/2)
1085
  248 Xanthium strumariumCommon cockleburUnited StatesMaryland199845 ALS inhibitors (B/2)
1086
  249 Conyza canadensisHorseweedUnited StatesMaryland200245 EPSP synthase inhibitors (G/9)
5129
  250 Stellaria mediaCommon ChickweedUnited StatesMaryland200945 ALS inhibitors (B/2)
5374
  251 Amaranthus palmeriPalmer AmaranthUnited StatesMaryland201445 Multiple Resistance: 2 Sites of Action
ALS inhibitors (B/2)
EPSP synthase inhibitors (G/9)
8915
  252 Ambrosia artemisiifoliaCommon RagweedUnited StatesMaryland201645 Multiple Resistance: 3 Sites of Action
ALS inhibitors (B/2)
PPO inhibitors (E/14)
EPSP synthase inhibitors (G/9)
17109

State: Massachusetts

  253 Chenopodium albumCommon LambsquartersUnited StatesMassachusetts198345 Photosystem II inhibitors (C1/5)
1095

State: Michigan

  254 Chenopodium albumCommon LambsquartersUnited StatesMichigan197545 Photosystem II inhibitors (C1/5)
5084
  255 Senecio vulgarisCommon GroundselUnited StatesMichigan199045 Photosystem II inhibitors (C1/5)
5180
  256 Ambrosia artemisiifoliaCommon RagweedUnited StatesMichigan199045 Photosystem II inhibitors (C1/5)
5181
  257 Portulaca oleraceaCommon PurslaneUnited StatesMichigan199145 Multiple Resistance: 2 Sites of Action
Photosystem II inhibitors (C1/5)
PSII inhibitor (Ureas and amides) (C2/7)
378
  258 Daucus carotaWild CarrotUnited StatesMichigan199345 Synthetic Auxins (O/4)
505
  259 Ambrosia artemisiifoliaCommon RagweedUnited StatesMichigan199845 ALS inhibitors (B/2)
1115
  260 Amaranthus tuberculatus (=A. rudis)Tall WaterhempUnited StatesMichigan200045 ALS inhibitors (B/2)
5179
  261 Chenopodium albumCommon LambsquartersUnited StatesMichigan200145 ALS inhibitors (B/2)
5133
  262 Amaranthus powelliiPowell AmaranthUnited StatesMichigan200145 Multiple Resistance: 2 Sites of Action
Photosystem II inhibitors (C1/5)
PSII inhibitor (Ureas and amides) (C2/7)
5176
  263 Amaranthus retroflexusRedroot PigweedUnited StatesMichigan200145 Multiple Resistance: 2 Sites of Action
Photosystem II inhibitors (C1/5)
PSII inhibitor (Ureas and amides) (C2/7)
5177
  264 Polygonum persicariaLadysthumbUnited StatesMichigan200145 Photosystem II inhibitors (C1/5)
5178
  265 Amaranthus hybridus (syn: quitensis)Smooth PigweedUnited StatesMichigan200245 ALS inhibitors (B/2)
5170
  266 Conyza canadensisHorseweedUnited StatesMichigan200245 ALS inhibitors (B/2)
5172
  267 Conyza canadensisHorseweedUnited StatesMichigan200245 Multiple Resistance: 2 Sites of Action
Photosystem II inhibitors (C1/5)
PSII inhibitor (Ureas and amides) (C2/7)
5173
  268 Conyza canadensisHorseweedUnited StatesMichigan200245 PSII inhibitor (Ureas and amides) (C2/7)
5174
  269 Atriplex patulaHalberdleaf OrachUnited StatesMichigan200345 Photosystem II inhibitors (C1/5)
5291
  270 Solanum ptycanthumEastern Black NightshadeUnited StatesMichigan200445 Photosystem II inhibitors (C1/5)
5286
  271 Chenopodium album var. striatum (=C. strictum var. glaucophyllum)Lateflowering GoosefootUnited StatesMichigan200445 Photosystem II inhibitors (C1/5)
5288
  272 Abutilon theophrastiVelvetleafUnited StatesMichigan200445 Photosystem II inhibitors (C1/5)
5289
  273 Kochia scopariaKochiaUnited StatesMichigan200545 ALS inhibitors (B/2)
5287
  274 Setaria faberiGiant FoxtailUnited StatesMichigan200645 ALS inhibitors (B/2)
5290
  275 Conyza canadensisHorseweedUnited StatesMichigan200745 EPSP synthase inhibitors (G/9)
5312
  276 Amaranthus palmeriPalmer AmaranthUnited StatesMichigan201145 EPSP synthase inhibitors (G/9)
5557
  277 Amaranthus blitoidesProstrate PigweedUnited StatesMichigan201245 Photosystem II inhibitors (C1/5)
5736
  278 Ambrosia artemisiifoliaCommon RagweedUnited StatesMichigan201645 Multiple Resistance: 2 Sites of Action
ALS inhibitors (B/2)
PPO inhibitors (E/14)
17106

State: Minnesota

  279 Chenopodium albumCommon LambsquartersUnited StatesMinnesota198245 Photosystem II inhibitors (C1/5)
246
  280 Abutilon theophrastiVelvetleafUnited StatesMinnesota199145 Photosystem II inhibitors (C1/5)
244
  281 Amaranthus retroflexusRedroot PigweedUnited StatesMinnesota199145 Photosystem II inhibitors (C1/5)
245
  282 Avena fatuaWild OatUnited StatesMinnesota199145 ACCase inhibitors (A/1)
247
  283 Kochia scopariaKochiaUnited StatesMinnesota199445 ALS inhibitors (B/2)
248
  284 Xanthium strumariumCommon cockleburUnited StatesMinnesota199445 ALS inhibitors (B/2)
249
  285 Amaranthus tuberculatus (=A. rudis)Tall WaterhempUnited StatesMinnesota199445 ALS inhibitors (B/2)
7802
  286 Setaria faberiGiant FoxtailUnited StatesMinnesota199645 ALS inhibitors (B/2)
503
  287 Setaria viridis var. major (=var. robusta-alba, var. robustapurpurea)Giant Green FoxtailUnited StatesMinnesota199645 ALS inhibitors (B/2)
504
  288 Setaria pumila (=S. glauca)Yellow FoxtailUnited StatesMinnesota199745 ALS inhibitors (B/2)
506
  289 Ambrosia artemisiifoliaCommon RagweedUnited StatesMinnesota199845 ALS inhibitors (B/2)
1116
  290 Setaria viridis var. major (=var. robusta-alba, var. robustapurpurea)Giant Green FoxtailUnited StatesMinnesota199945 ACCase inhibitors (A/1)
5167
  291 Setaria viridis var. major (=var. robusta-alba, var. robustapurpurea)Giant Green FoxtailUnited StatesMinnesota199945 ACCase inhibitors (A/1)
5168
  292 Ambrosia trifidaGiant RagweedUnited StatesMinnesota200645 EPSP synthase inhibitors (G/9)
5333
  293 Amaranthus tuberculatus (=A. rudis)Tall WaterhempUnited StatesMinnesota200745 EPSP synthase inhibitors (G/9)
5334
  294 Amaranthus tuberculatus (=A. rudis)Tall WaterhempUnited StatesMinnesota200745 Multiple Resistance: 2 Sites of Action
ALS inhibitors (B/2)
EPSP synthase inhibitors (G/9)
7803
  295 Ambrosia artemisiifoliaCommon RagweedUnited StatesMinnesota200845 EPSP synthase inhibitors (G/9)
5506
  296 Ambrosia trifidaGiant RagweedUnited StatesMinnesota200845 Multiple Resistance: 2 Sites of Action
ALS inhibitors (B/2)
EPSP synthase inhibitors (G/9)
5508
  297 Ambrosia artemisiifoliaCommon RagweedUnited StatesMinnesota201045 Multiple Resistance: 2 Sites of Action
ALS inhibitors (B/2)
EPSP synthase inhibitors (G/9)
7801
  298 Amaranthus tuberculatus (=A. rudis)Tall WaterhempUnited StatesMinnesota201445 PPO inhibitors (E/14)
11004
  299 Amaranthus tuberculatus (=A. rudis)Tall WaterhempUnited StatesMinnesota201645 Multiple Resistance: 2 Sites of Action
PPO inhibitors (E/14)
EPSP synthase inhibitors (G/9)
13056

State: Mississippi

  300 Xanthium strumariumCommon cockleburUnited StatesMississippi198945 ALS inhibitors (B/2)
251
  301 Sorghum halepenseJohnsongrassUnited StatesMississippi199145 ACCase inhibitors (A/1)
250
  302 Sorghum halepenseJohnsongrassUnited StatesMississippi199245 Microtubule inhibitors (K1/3)
328
  303 Xanthium strumariumCommon cockleburUnited StatesMississippi199445 Nucleic acid inhibitors (Z/17)
254
  304 Eleusine indicaGoosegrassUnited StatesMississippi199445 Microtubule inhibitors (K1/3)
255
  305 Conyza canadensisHorseweedUnited StatesMississippi199445 PSI Electron Diverter (D/22)
1109
  306 Lolium perenne ssp. multiflorumItalian RyegrassUnited StatesMississippi199545 ALS inhibitors (B/2)
526
  307 Poa annuaAnnual BluegrassUnited StatesMississippi199645 Photosystem II inhibitors (C1/5)
1187
  308 Conyza canadensisHorseweedUnited StatesMississippi200345 EPSP synthase inhibitors (G/9)
5195
  309 Lolium perenne ssp. multiflorumItalian RyegrassUnited StatesMississippi200545 EPSP synthase inhibitors (G/9)
5309
  310 Conyza canadensisHorseweedUnited StatesMississippi200745 Multiple Resistance: 2 Sites of Action
PSI Electron Diverter (D/22)
EPSP synthase inhibitors (G/9)
5384
  311 Amaranthus palmeriPalmer AmaranthUnited StatesMississippi200845 Multiple Resistance: 2 Sites of Action
ALS inhibitors (B/2)
EPSP synthase inhibitors (G/9)
5359
  312 Sorghum halepenseJohnsongrassUnited StatesMississippi200845 EPSP synthase inhibitors (G/9)
5558
  313 Amaranthus tuberculatus (=A. rudis)Tall WaterhempUnited StatesMississippi201045 EPSP synthase inhibitors (G/9)
5485
  314 Eleusine indicaGoosegrassUnited StatesMississippi201045 EPSP synthase inhibitors (G/9)
5503
  315 Ambrosia trifidaGiant RagweedUnited StatesMississippi201045 EPSP synthase inhibitors (G/9)
5504
  316 Amaranthus retroflexusRedroot PigweedUnited StatesMississippi201045 ALS inhibitors (B/2)
16079
  317 Amaranthus tuberculatus (=A. rudis)Tall WaterhempUnited StatesMississippi201045 ALS inhibitors (B/2)
16080
  318 Echinochloa crus-galli var. crus-galliBarnyardgrassUnited StatesMississippi201145 Multiple Resistance: 4 Sites of Action
ACCase inhibitors (A/1)
ALS inhibitors (B/2)
PSII inhibitor (Ureas and amides) (C2/7)
Cellulose inhibitors (L/26)
8901
  319 Amaranthus spinosusSpiny AmaranthUnited StatesMississippi201245 EPSP synthase inhibitors (G/9)
5682
  320 Amaranthus spinosusSpiny AmaranthUnited StatesMississippi201345 ALS inhibitors (B/2)
16081
  321 Ambrosia artemisiifoliaCommon RagweedUnited StatesMississippi201445 EPSP synthase inhibitors (G/9)
8900
  322 Poa annuaAnnual BluegrassUnited StatesMississippi201445 ALS inhibitors (B/2)
10982

State: Missouri

  323 Xanthium strumariumCommon cockleburUnited StatesMissouri199245 ALS inhibitors (B/2)
1080
  324 Amaranthus tuberculatus (=A. rudis)Tall WaterhempUnited StatesMissouri199445 Photosystem II inhibitors (C1/5)
1066
  325 Echinochloa crus-galli var. crus-galliBarnyardgrassUnited StatesMissouri199445 PSII inhibitor (Ureas and amides) (C2/7)
1082
  326 Amaranthus tuberculatus (=A. rudis)Tall WaterhempUnited StatesMissouri199445 ALS inhibitors (B/2)
1083
  327 Helianthus annuusCommon SunflowerUnited StatesMissouri199645 ALS inhibitors (B/2)
1067
  328 Conyza canadensisHorseweedUnited StatesMissouri200245 EPSP synthase inhibitors (G/9)
5260
  329 Ambrosia artemisiifoliaCommon RagweedUnited StatesMissouri200445 EPSP synthase inhibitors (G/9)
5228
  330 Amaranthus tuberculatus (=A. rudis)Tall WaterhempUnited StatesMissouri200545 Multiple Resistance: 3 Sites of Action
ALS inhibitors (B/2)
PPO inhibitors (E/14)
EPSP synthase inhibitors (G/9)
5269
  331 Amaranthus palmeriPalmer AmaranthUnited StatesMissouri200845 EPSP synthase inhibitors (G/9)
5391
  332 Ambrosia trifidaGiant RagweedUnited StatesMissouri200945 EPSP synthase inhibitors (G/9)
5466
  333 Amaranthus tuberculatus (=A. rudis)Tall WaterhempUnited StatesMissouri200945 Multiple Resistance: 2 Sites of Action
ALS inhibitors (B/2)
EPSP synthase inhibitors (G/9)
7807
  334 Poa annuaAnnual BluegrassUnited StatesMissouri201045 EPSP synthase inhibitors (G/9)
5495
  335 Ambrosia trifidaGiant RagweedUnited StatesMissouri201145 Multiple Resistance: 2 Sites of Action
ALS inhibitors (B/2)
EPSP synthase inhibitors (G/9)
7808
  336 Lolium perenne ssp. multiflorumItalian RyegrassUnited StatesMissouri201345 Multiple Resistance: 2 Sites of Action
ACCase inhibitors (A/1)
ALS inhibitors (B/2)
7809

State: Montana

  337 Kochia scopariaKochiaUnited StatesMontana198445 Photosystem II inhibitors (C1/5)
414
  338 Salsola tragusRussian-thistleUnited StatesMontana198745 ALS inhibitors (B/2)
411
  339 Kochia scopariaKochiaUnited StatesMontana198945 ALS inhibitors (B/2)
420
  340 Avena fatuaWild OatUnited StatesMontana199045 Multiple Resistance: 2 Sites of Action
Lipid Inhibitors (N/8)
Cell elongation inhibitors (Z/8)
412
  341 Lolium persicumPersian DarnelUnited StatesMontana199345 ACCase inhibitors (A/1)
557
  342 Kochia scopariaKochiaUnited StatesMontana199445 Synthetic Auxins (O/4)
532
  343 Avena fatuaWild OatUnited StatesMontana199645 ALS inhibitors (B/2)
558
  344 Avena fatuaWild OatUnited StatesMontana200245 ACCase inhibitors (A/1)
5246
  345 Setaria viridisGreen FoxtailUnited StatesMontana200545 ACCase inhibitors (A/1)
7804
  346 Kochia scopariaKochiaUnited StatesMontana201245 EPSP synthase inhibitors (G/9)
5711
  347 Kochia scopariaKochiaUnited StatesMontana201345 Multiple Resistance: 2 Sites of Action
ALS inhibitors (B/2)
EPSP synthase inhibitors (G/9)
7810
  348 Conyza canadensisHorseweedUnited StatesMontana201545 EPSP synthase inhibitors (G/9)
11011
  349 Salsola tragusRussian-thistleUnited StatesMontana201545 EPSP synthase inhibitors (G/9)
12032
  350 Bromus tectorumDowny Brome (Cheatgrass)United StatesMontana201645 ALS inhibitors (B/2)
15071

State: Nebraska

  351 Sorghum bicolorShattercaneUnited StatesNebraska199445 ALS inhibitors (B/2)
474
  352 Amaranthus tuberculatus (=A. rudis)Tall WaterhempUnited StatesNebraska199645 Photosystem II inhibitors (C1/5)
525
  353 Conyza canadensisHorseweedUnited StatesNebraska200645 EPSP synthase inhibitors (G/9)
5496
  354 Amaranthus tuberculatus (=A. rudis)Tall WaterhempUnited StatesNebraska200945 Multiple Resistance: 3 Sites of Action
ALS inhibitors (B/2)
Photosystem II inhibitors (C1/5)
Synthetic Auxins (O/4)
5574
  355 Kochia scopariaKochiaUnited StatesNebraska200945 Synthetic Auxins (O/4)
5594
  356 Ambrosia trifidaGiant RagweedUnited StatesNebraska201045 EPSP synthase inhibitors (G/9)
5573
  357 Amaranthus tuberculatus (=A. rudis)Tall WaterhempUnited StatesNebraska201145 HPPD inhibitors (F2/27)
5582
  358 Kochia scopariaKochiaUnited StatesNebraska201145 EPSP synthase inhibitors (G/9)
5585
  359 Amaranthus palmeriPalmer AmaranthUnited StatesNebraska201145 Photosystem II inhibitors (C1/5)
5694
  360 Amaranthus palmeriPalmer AmaranthUnited StatesNebraska201145 HPPD inhibitors (F2/27)
5700
  361 Amaranthus tuberculatus (=A. rudis)Tall WaterhempUnited StatesNebraska201245 EPSP synthase inhibitors (G/9)
5737
  362 Ambrosia artemisiifoliaCommon RagweedUnited StatesNebraska201345 EPSP synthase inhibitors (G/9)
8917
  363 Kochia scopariaKochiaUnited StatesNebraska201445 Photosystem II inhibitors (C1/5)
9926
  364 Amaranthus palmeriPalmer AmaranthUnited StatesNebraska201445 Multiple Resistance: 2 Sites of Action
Photosystem II inhibitors (C1/5)
HPPD inhibitors (F2/27)
13048
  365 Amaranthus palmeriPalmer AmaranthUnited StatesNebraska201645 Multiple Resistance: 2 Sites of Action
Photosystem II inhibitors (C1/5)
EPSP synthase inhibitors (G/9)
13047
  366 Amaranthus tuberculatus (=A. rudis)Tall WaterhempUnited StatesNebraska201645 Multiple Resistance: 4 Sites of Action
ALS inhibitors (B/2)
Photosystem II inhibitors (C1/5)
PPO inhibitors (E/14)
EPSP synthase inhibitors (G/9)
17121

State: New Hampshire

  367 Amaranthus retroflexusRedroot PigweedUnited StatesNew Hampshire198445 Photosystem II inhibitors (C1/5)
1078
  368 Chenopodium albumCommon LambsquartersUnited StatesNew Hampshire198645 Photosystem II inhibitors (C1/5)
1077

State: New Jersey

  369 Amaranthus hybridus (syn: quitensis)Smooth PigweedUnited StatesNew Jersey198045 Photosystem II inhibitors (C1/5)
494
  370 Amaranthus blitum (ssp. oleraceus)Livid AmaranthUnited StatesNew Jersey199345 ALS inhibitors (B/2)
1167
  371 Digitaria ischaemumSmooth CrabgrassUnited StatesNew Jersey199645 ACCase inhibitors (A/1)
556
  372 Conyza canadensisHorseweedUnited StatesNew Jersey200245 EPSP synthase inhibitors (G/9)
5130
  373 Ambrosia artemisiifoliaCommon RagweedUnited StatesNew Jersey201345 EPSP synthase inhibitors (G/9)
8916
  374 Amaranthus palmeriPalmer AmaranthUnited StatesNew Jersey201445 EPSP synthase inhibitors (G/9)
9922
  375 Ambrosia artemisiifoliaCommon RagweedUnited StatesNew Jersey201645 Multiple Resistance: 3 Sites of Action
ALS inhibitors (B/2)
PPO inhibitors (E/14)
EPSP synthase inhibitors (G/9)
17110

State: New Mexico

  376 Kochia scopariaKochiaUnited StatesNew Mexico198845 ALS inhibitors (B/2)
256
  377 Amaranthus palmeriPalmer AmaranthUnited StatesNew Mexico200745 EPSP synthase inhibitors (G/9)
5386

State: New York

  378 Chenopodium albumCommon LambsquartersUnited StatesNew York197745 Photosystem II inhibitors (C1/5)
1053
  379 Amaranthus hybridus (syn: quitensis)Smooth PigweedUnited StatesNew York198045 Photosystem II inhibitors (C1/5)
5225
  380 Senecio vulgarisCommon GroundselUnited StatesNew York199145 Photosystem II inhibitors (C1/5)
1056
  381 Ambrosia artemisiifoliaCommon RagweedUnited StatesNew York199345 Photosystem II inhibitors (C1/5)
1057

State: North Carolina

  382 Eleusine indicaGoosegrassUnited StatesNorth Carolina197345 Microtubule inhibitors (K1/3)
258
  383 Chenopodium albumCommon LambsquartersUnited StatesNorth Carolina198045 Photosystem II inhibitors (C1/5)
261
  384 Amaranthus hybridus (syn: quitensis)Smooth PigweedUnited StatesNorth Carolina198045 Photosystem II inhibitors (C1/5)
262
  385 Lolium perenne ssp. multiflorumItalian RyegrassUnited StatesNorth Carolina199045 ACCase inhibitors (A/1)
259
  386 Xanthium strumariumCommon cockleburUnited StatesNorth Carolina199445 Nucleic acid inhibitors (Z/17)
260
  387 Amaranthus palmeriPalmer AmaranthUnited StatesNorth Carolina199545 ALS inhibitors (B/2)
1059
  388 Poa annuaAnnual BluegrassUnited StatesNorth Carolina199545 Photosystem II inhibitors (C1/5)
1060
  389 Poa annuaAnnual BluegrassUnited StatesNorth Carolina199745 Microtubule inhibitors (K1/3)
1165
  390 Xanthium strumariumCommon cockleburUnited StatesNorth Carolina199945 ALS inhibitors (B/2)
7820
  391 Conyza canadensisHorseweedUnited StatesNorth Carolina200345 EPSP synthase inhibitors (G/9)
5200
  392 Amaranthus palmeriPalmer AmaranthUnited StatesNorth Carolina200545 EPSP synthase inhibitors (G/9)
5360
  393 Ambrosia artemisiifoliaCommon RagweedUnited StatesNorth Carolina200645 EPSP synthase inhibitors (G/9)
7819
  394 Ambrosia artemisiifoliaCommon RagweedUnited StatesNorth Carolina200645 ALS inhibitors (B/2)
7857
  395 Lolium perenne ssp. multiflorumItalian RyegrassUnited StatesNorth Carolina200745 ALS inhibitors (B/2)
7818
  396 Lolium perenne ssp. multiflorumItalian RyegrassUnited StatesNorth Carolina200745 Multiple Resistance: 2 Sites of Action
ACCase inhibitors (A/1)
ALS inhibitors (B/2)
7856
  397 Lolium perenne ssp. multiflorumItalian RyegrassUnited StatesNorth Carolina200945 EPSP synthase inhibitors (G/9)
7811
  398 Ambrosia artemisiifoliaCommon RagweedUnited StatesNorth Carolina201545 Multiple Resistance: 3 Sites of Action
ALS inhibitors (B/2)
PPO inhibitors (E/14)
EPSP synthase inhibitors (G/9)
13036
  399 Eleusine indicaGoosegrassUnited StatesNorth Carolina201545 PPO inhibitors (E/14)
15072
  400 Amaranthus palmeriPalmer AmaranthUnited StatesNorth Carolina201645 HPPD inhibitors (F2/27)
18188

State: North Dakota

  401 Kochia scopariaKochiaUnited StatesNorth Dakota198745 ALS inhibitors (B/2)
423
  402 Setaria viridisGreen FoxtailUnited StatesNorth Dakota198945 Microtubule inhibitors (K1/3)
493
  403 Avena fatuaWild OatUnited StatesNorth Dakota199145 ACCase inhibitors (A/1)
485
  404 Kochia scopariaKochiaUnited StatesNorth Dakota199545 Synthetic Auxins (O/4)
1047
  405 Avena fatuaWild OatUnited StatesNorth Dakota199645 ALS inhibitors (B/2)
1048
  406 Kochia scopariaKochiaUnited StatesNorth Dakota199845 Photosystem II inhibitors (C1/5)
1192
  407 Sinapis arvensisWild MustardUnited StatesNorth Dakota199945 ALS inhibitors (B/2)
1193
  408 Solanum ptycanthumEastern Black NightshadeUnited StatesNorth Dakota199945 ALS inhibitors (B/2)
1196
  409 Amaranthus retroflexusRedroot PigweedUnited StatesNorth Dakota199945 ALS inhibitors (B/2)
5046
  410 Iva xanthifoliaMarshelderUnited StatesNorth Dakota200345 ALS inhibitors (B/2)
5236
  411 Kochia scopariaKochiaUnited StatesNorth Dakota200445 Multiple Resistance: 2 Sites of Action
Photosystem II inhibitors (C1/5)
PSII inhibitor (Ureas and amides) (C2/7)
10986
  412 Ambrosia artemisiifoliaCommon RagweedUnited StatesNorth Dakota200745 EPSP synthase inhibitors (G/9)
5507
  413 Amaranthus tuberculatus (=A. rudis)Tall WaterhempUnited StatesNorth Dakota201045 EPSP synthase inhibitors (G/9)
5575
  414 Kochia scopariaKochiaUnited StatesNorth Dakota201245 EPSP synthase inhibitors (G/9)
5683

State: Ohio

  415 Chenopodium albumCommon LambsquartersUnited StatesOhio198145 Photosystem II inhibitors (C1/5)
1089
  416 Daucus carotaWild CarrotUnited StatesOhio199445 Synthetic Auxins (O/4)
5234
  417 Amaranthus tuberculatus (=A. rudis)Tall WaterhempUnited StatesOhio199645 ALS inhibitors (B/2)
1087
  418 Amaranthus powelliiPowell AmaranthUnited StatesOhio199645 ALS inhibitors (B/2)
1100
  419 Ambrosia artemisiifoliaCommon RagweedUnited StatesOhio199845 ALS inhibitors (B/2)
1117
  420 Ambrosia trifidaGiant RagweedUnited StatesOhio199845 ALS inhibitors (B/2)
1164
  421 Xanthium strumariumCommon cockleburUnited StatesOhio199945 ALS inhibitors (B/2)
1197
  422 Sorghum bicolorShattercaneUnited StatesOhio200045 ALS inhibitors (B/2)
5235
  423 Conyza canadensisHorseweedUnited StatesOhio200145 ALS inhibitors (B/2)
5157
  424 Chenopodium albumCommon LambsquartersUnited StatesOhio200145 ALS inhibitors (B/2)
5232
  425 Amaranthus hybridus (syn: quitensis)Smooth PigweedUnited StatesOhio200145 ALS inhibitors (B/2)
5233
  426 Conyza canadensisHorseweedUnited StatesOhio200245 EPSP synthase inhibitors (G/9)
5127
  427 Conyza canadensisHorseweedUnited StatesOhio200345 Multiple Resistance: 2 Sites of Action
ALS inhibitors (B/2)
EPSP synthase inhibitors (G/9)
5158
  428 Ambrosia trifidaGiant RagweedUnited StatesOhio200445 EPSP synthase inhibitors (G/9)
5278
  429 Ambrosia artemisiifoliaCommon RagweedUnited StatesOhio200645 Multiple Resistance: 2 Sites of Action
ALS inhibitors (B/2)
EPSP synthase inhibitors (G/9)
5406
  430 Ambrosia artemisiifoliaCommon RagweedUnited StatesOhio200645 Multiple Resistance: 2 Sites of Action
ALS inhibitors (B/2)
PPO inhibitors (E/14)
5407
  431 Ambrosia trifidaGiant RagweedUnited StatesOhio200645 Multiple Resistance: 2 Sites of Action
ALS inhibitors (B/2)
EPSP synthase inhibitors (G/9)
5408
  432 Amaranthus tuberculatus (=A. rudis)Tall WaterhempUnited StatesOhio200845 EPSP synthase inhibitors (G/9)
5697
  433 Amaranthus palmeriPalmer AmaranthUnited StatesOhio201045 EPSP synthase inhibitors (G/9)
5696

State: Oklahoma

  434 Kochia scopariaKochiaUnited StatesOklahoma199245 ALS inhibitors (B/2)
1069
  435 Xanthium strumariumCommon cockleburUnited StatesOklahoma199645 ALS inhibitors (B/2)
1068
  436 Amaranthus tuberculatus (=A. rudis)Tall WaterhempUnited StatesOklahoma200245 ALS inhibitors (B/2)
5156
  437 Bromus secalinusCheat (Rye Brome)United StatesOklahoma200945 ALS inhibitors (B/2)
5527
  438 Conyza canadensisHorseweedUnited StatesOklahoma200945 EPSP synthase inhibitors (G/9)
5528
  439 Amaranthus tuberculatus (=A. rudis)Tall WaterhempUnited StatesOklahoma201145 EPSP synthase inhibitors (G/9)
5593
  440 Kochia scopariaKochiaUnited StatesOklahoma201345 EPSP synthase inhibitors (G/9)
6755
  441 Lolium perenne ssp. multiflorumItalian RyegrassUnited StatesOklahoma201745 ACCase inhibitors (A/1)
18167
  442 Amaranthus palmeriPalmer AmaranthUnited StatesOklahoma201845 EPSP synthase inhibitors (G/9)
17134
  443 Conyza canadensisHorseweedUnited StatesOklahoma201845 ALS inhibitors (B/2)
17149

State: Oregon

  444 Lolium perenne ssp. multiflorumItalian RyegrassUnited StatesOregon198745 ACCase inhibitors (A/1)
320
  445 Avena fatuaWild OatUnited StatesOregon199045 ACCase inhibitors (A/1)
319
  446 Avena fatuaWild OatUnited StatesOregon199045 Microtubule inhibitors (K1/3)
475
  447 Salsola tragusRussian-thistleUnited StatesOregon199345 ALS inhibitors (B/2)
1173
  448 Lactuca serriolaPrickly LettuceUnited StatesOregon199345 ALS inhibitors (B/2)
1174
  449 Kochia scopariaKochiaUnited StatesOregon199345 ALS inhibitors (B/2)
1175
  450 Amaranthus retroflexusRedroot PigweedUnited StatesOregon199445 Photosystem II inhibitors (C1/5)
321
  451 Poa annuaAnnual BluegrassUnited StatesOregon199445 Lipid Inhibitors (N/16)
334
  452 Poa annuaAnnual BluegrassUnited StatesOregon199445 PSII inhibitor (Ureas and amides) (C2/7)
336
  453 Poa annuaAnnual BluegrassUnited StatesOregon199445 Photosystem II inhibitors (C1/5)
338
  454 Senecio vulgarisCommon GroundselUnited StatesOregon199545 PSII inhibitors (Nitriles) (C3/6)
322
  455 Bromus tectorumDowny Brome (Cheatgrass)United StatesOregon199745 ALS inhibitors (B/2)
1112
  456 Camelina microcarpaSmallseed FlaxfalseUnited StatesOregon199945 ALS inhibitors (B/2)
5111
  457 Poa annuaAnnual BluegrassUnited StatesOregon200045 Multiple Resistance: 2 Sites of Action
Photosystem II inhibitors (C1/5)
PSII inhibitor (Ureas and amides) (C2/7)
18181
  458 Lolium perenne ssp. multiflorumItalian RyegrassUnited StatesOregon200445 EPSP synthase inhibitors (G/9)
5249
  459 Bromus tectorumDowny Brome (Cheatgrass)United StatesOregon200545 ACCase inhibitors (A/1)
5375
  460 Capsella bursa-pastorisShepherd's-purseUnited StatesOregon200745 Photosystem II inhibitors (C1/5)
5366
  461 Lolium perenne ssp. multiflorumItalian RyegrassUnited StatesOregon201045 Multiple Resistance: 2 Sites of Action
EPSP synthase inhibitors (G/9)
Glutamine synthase inhibitors (H/10)
5564
  462 Kochia scopariaKochiaUnited StatesOregon201445 EPSP synthase inhibitors (G/9)
9944
  463 Salsola tragusRussian-thistleUnited StatesOregon201645 EPSP synthase inhibitors (G/9)
13055
  464 Lolium perenne ssp. multiflorumItalian RyegrassUnited StatesOregon201845 Long chain fatty acid inhibitors (K3/15)
17151

State: Pennsylvania

  465 Chenopodium albumCommon LambsquartersUnited StatesPennsylvania198045 Photosystem II inhibitors (C1/5)
263
  466 Amaranthus hybridus (syn: quitensis)Smooth PigweedUnited StatesPennsylvania198045 Photosystem II inhibitors (C1/5)
264
  467 Amaranthus retroflexusRedroot PigweedUnited StatesPennsylvania199845 Multiple Resistance: 2 Sites of Action
ALS inhibitors (B/2)
Photosystem II inhibitors (C1/5)
5021
  468 Sorghum bicolorShattercaneUnited StatesPennsylvania200145 ALS inhibitors (B/2)
5121
  469 Conyza canadensisHorseweedUnited StatesPennsylvania200345 EPSP synthase inhibitors (G/9)
5258
  470 Setaria faberiGiant FoxtailUnited StatesPennsylvania200445 ALS inhibitors (B/2)
5259
  471 Ambrosia artemisiifoliaCommon RagweedUnited StatesPennsylvania200845 EPSP synthase inhibitors (G/9)
7778
  472 Stellaria mediaCommon ChickweedUnited StatesPennsylvania201045 ALS inhibitors (B/2)
7898
  473 Amaranthus palmeriPalmer AmaranthUnited StatesPennsylvania201345 EPSP synthase inhibitors (G/9)
7779

State: Rhode Island

  474 Chenopodium albumCommon LambsquartersUnited StatesRhode Island199545 Photosystem II inhibitors (C1/5)
495

State: South Carolina

  475 Eleusine indicaGoosegrassUnited StatesSouth Carolina197445 Microtubule inhibitors (K1/3)
266
  476 Xanthium strumariumCommon cockleburUnited StatesSouth Carolina198545 Nucleic acid inhibitors (Z/17)
265
  477 Amaranthus palmeriPalmer AmaranthUnited StatesSouth Carolina198945 Microtubule inhibitors (K1/3)
267
  478 Lolium perenne ssp. multiflorumItalian RyegrassUnited StatesSouth Carolina199045 ACCase inhibitors (A/1)
268
  479 Amaranthus palmeriPalmer AmaranthUnited StatesSouth Carolina199745 ALS inhibitors (B/2)
1111
  480 Amaranthus palmeriPalmer AmaranthUnited StatesSouth Carolina200645 EPSP synthase inhibitors (G/9)
7780
  481 Amaranthus palmeriPalmer AmaranthUnited StatesSouth Carolina201045 Multiple Resistance: 2 Sites of Action
ALS inhibitors (B/2)
EPSP synthase inhibitors (G/9)
7781
  482 Lolium perenne ssp. multiflorumItalian RyegrassUnited StatesSouth Carolina201045 Multiple Resistance: 2 Sites of Action
ACCase inhibitors (A/1)
ALS inhibitors (B/2)
7782

State: South Dakota

  483 Kochia scopariaKochiaUnited StatesSouth Dakota198845 ALS inhibitors (B/2)
269
  484 Helianthus annuusCommon SunflowerUnited StatesSouth Dakota199645 ALS inhibitors (B/2)
1186
  485 Ambrosia artemisiifoliaCommon RagweedUnited StatesSouth Dakota200745 EPSP synthase inhibitors (G/9)
5635
  486 Kochia scopariaKochiaUnited StatesSouth Dakota200945 EPSP synthase inhibitors (G/9)
5636
  487 Avena fatuaWild OatUnited StatesSouth Dakota200945 ACCase inhibitors (A/1)
5637
  488 Amaranthus tuberculatus (=A. rudis)Tall WaterhempUnited StatesSouth Dakota201045 EPSP synthase inhibitors (G/9)
5633
  489 Conyza canadensisHorseweedUnited StatesSouth Dakota201045 EPSP synthase inhibitors (G/9)
5634
  490 Avena fatuaWild OatUnited StatesSouth Dakota201145 ALS inhibitors (B/2)
5638
  491 Avena fatuaWild OatUnited StatesSouth Dakota201245 Multiple Resistance: 2 Sites of Action
ACCase inhibitors (A/1)
ALS inhibitors (B/2)
5663

State: Tennessee

  492 Eleusine indicaGoosegrassUnited StatesTennessee198845 Microtubule inhibitors (K1/3)
1103
  493 Xanthium strumariumCommon cockleburUnited StatesTennessee199145 Nucleic acid inhibitors (Z/17)
1104
  494 Xanthium strumariumCommon cockleburUnited StatesTennessee199245 ALS inhibitors (B/2)
1105
  495 Amaranthus palmeriPalmer AmaranthUnited StatesTennessee199445 ALS inhibitors (B/2)
5313
  496 Sorghum halepenseJohnsongrassUnited StatesTennessee199545 ACCase inhibitors (A/1)
1106
  497 Chenopodium albumCommon LambsquartersUnited StatesTennessee199845 Photosystem II inhibitors (C1/5)
1107
  498 Amaranthus palmeriPalmer AmaranthUnited StatesTennessee199845 Microtubule inhibitors (K1/3)
5569
  499 Conyza canadensisHorseweedUnited StatesTennessee200145 EPSP synthase inhibitors (G/9)
5122
  500 Lolium perenne ssp. multiflorumItalian RyegrassUnited StatesTennessee200645 ACCase inhibitors (A/1)
5316
  501 Amaranthus palmeriPalmer AmaranthUnited StatesTennessee200645 EPSP synthase inhibitors (G/9)
5387
  502 Amaranthus tuberculatus (=A. rudis)Tall WaterhempUnited StatesTennessee200745 ALS inhibitors (B/2)
5314
  503 Ambrosia trifidaGiant RagweedUnited StatesTennessee200745 EPSP synthase inhibitors (G/9)
5335
  504 Poa annuaAnnual BluegrassUnited StatesTennessee200745 Microtubule inhibitors (K1/3)
5645
  505 Amaranthus palmeriPalmer AmaranthUnited StatesTennessee200945 Multiple Resistance: 2 Sites of Action
ALS inhibitors (B/2)
EPSP synthase inhibitors (G/9)
5571
  506 Eleusine indicaGoosegrassUnited StatesTennessee201145 EPSP synthase inhibitors (G/9)
5549
  507 Amaranthus tuberculatus (=A. rudis)Tall WaterhempUnited StatesTennessee201145 EPSP synthase inhibitors (G/9)
5595
  508 Poa annuaAnnual BluegrassUnited StatesTennessee201145 EPSP synthase inhibitors (G/9)
5596
  509 Lolium perenne ssp. multiflorumItalian RyegrassUnited StatesTennessee201245 EPSP synthase inhibitors (G/9)
6753
  510 Poa annuaAnnual BluegrassUnited StatesTennessee201345 Multiple Resistance: 2 Sites of Action
ALS inhibitors (B/2)
Photosystem II inhibitors (C1/5)
6765
  511 Amaranthus palmeriPalmer AmaranthUnited StatesTennessee201545 Multiple Resistance: 2 Sites of Action
PPO inhibitors (E/14)
EPSP synthase inhibitors (G/9)
13037

State: Texas

  512 Lolium perennePerennial RyegrassUnited StatesTexas198945 ALS inhibitors (B/2)
397
  513 Echinochloa crus-galli var. crus-galliBarnyardgrassUnited StatesTexas199145 PSII inhibitor (Ureas and amides) (C2/7)
271
  514 Amaranthus palmeriPalmer AmaranthUnited StatesTexas199345 Photosystem II inhibitors (C1/5)
270
  515 Kochia scopariaKochiaUnited StatesTexas199845 ALS inhibitors (B/2)
5063
  516 Sorghum halepenseJohnsongrassUnited StatesTexas200045 ALS inhibitors (B/2)
5091
  517 Amaranthus tuberculatus (=A. rudis)Tall WaterhempUnited StatesTexas200645 EPSP synthase inhibitors (G/9)
7776
  518 Amaranthus palmeriPalmer AmaranthUnited StatesTexas201145 EPSP synthase inhibitors (G/9)
7777
  519 Helianthus annuusCommon SunflowerUnited StatesTexas201545 EPSP synthase inhibitors (G/9)
15062

State: Utah

  520 Kochia scopariaKochiaUnited StatesUtah199845 ALS inhibitors (B/2)
1090

State: Vermont

  521 Amaranthus retroflexusRedroot PigweedUnited StatesVermont199145 Photosystem II inhibitors (C1/5)
1101
  522 Chenopodium albumCommon LambsquartersUnited StatesVermont199145 Photosystem II inhibitors (C1/5)
1102

State: Virginia

  523 Amaranthus hybridus (syn: quitensis)Smooth PigweedUnited StatesVirginia197645 Photosystem II inhibitors (C1/5)
273
  524 Chenopodium albumCommon LambsquartersUnited StatesVirginia197945 Photosystem II inhibitors (C1/5)
274
  525 Lolium perenne ssp. multiflorumItalian RyegrassUnited StatesVirginia199345 ACCase inhibitors (A/1)
275
  526 Amaranthus retroflexusRedroot PigweedUnited StatesVirginia199345 Photosystem II inhibitors (C1/5)
373
  527 Amaranthus hybridus (syn: quitensis)Smooth PigweedUnited StatesVirginia199445 ALS inhibitors (B/2)
278
  528 Sorghum halepenseJohnsongrassUnited StatesVirginia199545 ACCase inhibitors (A/1)
1108
  529 Poa annuaAnnual BluegrassUnited StatesVirginia200145 Photosystem II inhibitors (C1/5)
5162
  530 Sorghum bicolorShattercaneUnited StatesVirginia200345 ALS inhibitors (B/2)
5204
  531 Conyza canadensisHorseweedUnited StatesVirginia200545 EPSP synthase inhibitors (G/9)
5559
  532 Stellaria mediaCommon ChickweedUnited StatesVirginia200845 ALS inhibitors (B/2)
5373
  533 Amaranthus palmeriPalmer AmaranthUnited StatesVirginia201145 EPSP synthase inhibitors (G/9)
5568
  534 Eleusine indicaGoosegrassUnited StatesVirginia201545 PPO inhibitors (E/14)
15073

State: Washington

  535 Senecio vulgarisCommon GroundselUnited StatesWashington197045 Photosystem II inhibitors (C1/5)
386
  536 Salsola tragusRussian-thistleUnited StatesWashington198745 ALS inhibitors (B/2)
231
  537 Centaurea solstitialisYellow StarthistleUnited StatesWashington198845 Synthetic Auxins (O/4)
515
  538 Kochia scopariaKochiaUnited StatesWashington198945 ALS inhibitors (B/2)
517
  539 Avena fatuaWild OatUnited StatesWashington199145 ACCase inhibitors (A/1)
521
  540 Amaranthus powelliiPowell AmaranthUnited StatesWashington199245 Photosystem II inhibitors (C1/5)
331
  541 Lactuca serriolaPrickly LettuceUnited StatesWashington199345 ALS inhibitors (B/2)
518
  542 Sonchus asperSpiny SowthistleUnited StatesWashington200045 ALS inhibitors (B/2)
5186
  543 Lactuca serriolaPrickly LettuceUnited StatesWashington200745 Synthetic Auxins (O/4)
5328
  544 Amaranthus retroflexusRedroot PigweedUnited StatesWashington201045 Photosystem II inhibitors (C1/5)
5667
  545 Chenopodium albumCommon LambsquartersUnited StatesWashington201045 Photosystem II inhibitors (C1/5)
5668
  546 Anthemis cotulaMayweed ChamomileUnited StatesWashington201045 ALS inhibitors (B/2)
10987
  547 Salsola tragusRussian-thistleUnited StatesWashington201545 EPSP synthase inhibitors (G/9)
18160
  548 Lolium perenne ssp. multiflorumItalian RyegrassUnited StatesWashington201845 Long chain fatty acid inhibitors (K3/15)
17154

State: West Virginia

  549 Chenopodium albumCommon LambsquartersUnited StatesWest Virginia200045 Photosystem II inhibitors (C1/5)
7772
  550 Amaranthus retroflexusRedroot PigweedUnited StatesWest Virginia200045 Photosystem II inhibitors (C1/5)
7773
  551 Sorghum halepenseJohnsongrassUnited StatesWest Virginia200445 ALS inhibitors (B/2)
7775
  552 Conyza canadensisHorseweedUnited StatesWest Virginia200745 EPSP synthase inhibitors (G/9)
7774

State: Wisconsin

  553 Chenopodium albumCommon LambsquartersUnited StatesWisconsin197945 Photosystem II inhibitors (C1/5)
419
  554 Amaranthus hybridus (syn: quitensis)Smooth PigweedUnited StatesWisconsin198545 Photosystem II inhibitors (C1/5)
418
  555 Kochia scopariaKochiaUnited StatesWisconsin198745 Photosystem II inhibitors (C1/5)
416
  556 Abutilon theophrastiVelvetleafUnited StatesWisconsin199045 Photosystem II inhibitors (C1/5)
410
  557 Setaria faberiGiant FoxtailUnited StatesWisconsin199145 ACCase inhibitors (A/1)
415
  558 Digitaria sanguinalisLarge CrabgrassUnited StatesWisconsin199245 ACCase inhibitors (A/1)
417
  559 Kochia scopariaKochiaUnited StatesWisconsin199545 ALS inhibitors (B/2)
1169
  560 Solanum ptycanthumEastern Black NightshadeUnited StatesWisconsin199945 ALS inhibitors (B/2)
1170
  561 Setaria faberiGiant FoxtailUnited StatesWisconsin199945 ALS inhibitors (B/2)
1171
  562 Setaria viridisGreen FoxtailUnited StatesWisconsin199945 ALS inhibitors (B/2)
1172
  563 Amaranthus tuberculatus (=A. rudis)Tall WaterhempUnited StatesWisconsin199945 ALS inhibitors (B/2)
5090
  564 Ambrosia trifidaGiant RagweedUnited StatesWisconsin201145 EPSP synthase inhibitors (G/9)
5660
  565 Ambrosia trifidaGiant RagweedUnited StatesWisconsin201345 ALS inhibitors (B/2)
7822
  566 Conyza canadensisHorseweedUnited StatesWisconsin201345 EPSP synthase inhibitors (G/9)
7823
  567 Amaranthus palmeriPalmer AmaranthUnited StatesWisconsin201345 EPSP synthase inhibitors (G/9)
10957
  568 Amaranthus tuberculatus (=A. rudis)Tall WaterhempUnited StatesWisconsin201345 EPSP synthase inhibitors (G/9)
10958
  569 Ambrosia artemisiifoliaCommon RagweedUnited StatesWisconsin201345 ALS inhibitors (B/2)
10981
  570 Amaranthus palmeriPalmer AmaranthUnited StatesWisconsin201445 Multiple Resistance: 2 Sites of Action
ALS inhibitors (B/2)
HPPD inhibitors (F2/27)
16099
  571 Amaranthus tuberculatus (=A. rudis)Tall WaterhempUnited StatesWisconsin201645 Multiple Resistance: 2 Sites of Action
PPO inhibitors (E/14)
EPSP synthase inhibitors (G/9)
16100
  572 Ambrosia artemisiifoliaCommon RagweedUnited StatesWisconsin201745 EPSP synthase inhibitors (G/9)
17155

State: Wyoming

  573 Kochia scopariaKochiaUnited StatesWyoming198445 Photosystem II inhibitors (C1/5)
1051
  574 Kochia scopariaKochiaUnited StatesWyoming199645 ALS inhibitors (B/2)
1050
  575 Kochia scopariaKochiaUnited StatesWyoming201445 EPSP synthase inhibitors (G/9)
10961
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Cite this site as: Heap, I.  The International Survey of Herbicide Resistant Weeds.  Online.  Internet.  Tuesday, December 1, 2020 .  Available  www.weedscience.org
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