Herbicide Resistant Weeds

Herbicide Resistant Weeds

ALS INHIBITORS (B/2) RESISTANT WEEDS by species and country
#	Species	Country (Click for Details)	Year

1.	*Alisma plantago-aquatica* Common Waterplantain	1994 - Italy 1995 - Portugal 2000 - Spain 2005 - Chile	1994

2.	*Alopecurus myosuroides* Blackgrass	1984 - United Kingdom 1993 - France 1996 - Belgium Multiple - 5 MOA's 2001 - Germany 2006 - France 2007 - Germany Multiple - 4 MOA's 2008 - Turkey *Multiple - 2 MOA's	1984

3.	*Amaranthus blitoides* Prostrate Pigweed	1991 - Israel *Multiple - 2 MOA's	1991

4.	*Amaranthus hybridus* Smooth Pigweed	1992 - USA (Kentucky) 1994 - USA (Virginia) 2000 - USA (Delaware) 2001 - USA (Ohio) 2002 - USA (Michigan)	1992

5.	*Amaranthus lividus* Livid Amaranth	1993 - USA (New Jersey)	1993

6.	*Amaranthus palmeri* Palmer Amaranth	1991 - USA (Kansas) 1994 - USA (Arkansas) 1995 - USA (North Carolina) 1997 - USA (South Carolina) 2000 - USA (Georgia) 2006 - USA (Tennessee) 2008 - USA (Florida) 2008 - USA (Mississippi) *Multiple - 2 MOA's	1991

7.	*Amaranthus powellii* Powell Amaranth	1996 - USA (Ohio) 1998 - Canada (Ontario) 1998 - Canada (Ontario) *Multiple - 2 MOA's	1996

8.	*Amaranthus quitensis* Pigweed (quitensis)	1996 - Argentina 2002 - Bolivia	1996

9.	*Amaranthus retroflexus* Redroot Pigweed	1991 - Israel 1995 - USA (Arkansas) 1998 - Canada (Ontario) 1998 - USA (Maryland) 1998 - USA (Pennsylvania) *Multiple - 2 MOA's 1999 - USA (North Dakota) 2002 - Canada (Manitoba) 2002 - Yugoslavia 2003 - Italy	1991

10.	*Amaranthus tuberculatus (syn. rudis)* Tall Waterhemp	1993 - USA (Illinois) 1993 - USA (Iowa) 1994 - USA (Missouri) 1995 - USA (Kansas) 1996 - USA (Illinois) Multiple - 2 MOA's 1996 - USA (Ohio) 1999 - USA (Wisconsin) 2000 - USA (Michigan) 2001 - USA (Kansas) Multiple - 2 MOA's 2002 - Canada (Ontario) Multiple - 2 MOA's 2002 - Canada (Ontario) 2002 - USA (Illinois) Multiple - 3 MOA's 2002 - USA (Oklahoma) 2005 - USA (Missouri) Multiple - 3 MOA's 2006 - USA (Illinois) Multiple - 2 MOA's 2007 - USA (Tennessee) 2009 - USA (Illinois) Multiple - 3 MOA's 2009 - USA (Iowa) Multiple - 3 MOA's	1993

11.	*Ambrosia artemisiifolia* Common Ragweed	1998 - USA (Illinois) 1998 - USA (Indiana) 1998 - USA (Michigan) 1998 - USA (Minnesota) 1998 - USA (Ohio) 2000 - Canada (Ontario) 2005 - USA (Delaware) Multiple - 2 MOA's 2006 - USA (Ohio) Multiple - 2 MOA's 2006 - USA (Ohio) *Multiple - 2 MOA's	1998

12.	*Ambrosia trifida* Giant Ragweed	1998 - USA (Illinois) 1998 - USA (Indiana) 1998 - USA (Indiana) 1998 - USA (Ohio) 2000 - USA (Iowa) 2006 - USA (Ohio) *Multiple - 2 MOA's	1998

13.	*Ammania auriculata* Redstem	1997 - USA (California)	1997

14.	*Ammania coccinea* Long-Leaved loosestrife	2000 - USA (California)	2000

15.	*Anthemis cotula* Mayweed Chamomile	1997 - USA (Idaho)	1997

16.	*Apera spica-venti* Wind Bentgrass	2005 - Czech Republic 2005 - Germany 2005 - Poland 2009 - Germany *Multiple - 3 MOA's	2005

17.	*Avena fatua* Wild Oat	1986 - South Africa Multiple - 2 MOA's 1994 - Canada (Manitoba) Multiple - 3 MOA's 1994 - United Kingdom Multiple - 3 MOA's 1996 - Canada (Saskatchewan) 1996 - Canada (Saskatchewan) Multiple - 3 MOA's 1996 - USA (Montana) 1996 - USA (North Dakota) 1997 - Canada (Manitoba) 1997 - Canada (Manitoba) Multiple - 4 MOA's 1998 - Canada (Alberta) 1998 - Canada (Alberta) Multiple - 3 MOA's 2005 - Mexico *Multiple - 2 MOA's	1986

18.	*Avena sterilis* Wild Oat (sterilis)	2008 - Iran 2008 - Turkey *Multiple - 2 MOA's	2008

19.	*Avena sterilis ludoviciana* Sterile oat	2005 - Australia (South Australia)	2005

20.	*Bacopa rotundifolia* Disc Water Hyssop	2000 - Malaysia 2001 - Malaysia	2000

21.	*Bidens pilosa* Hairy Beggarticks	1993 - Brazil	1993

22.	*Bidens subalternans* Beggarticks - B. subalternans	1996 - Brazil 2006 - Brazil *Multiple - 2 MOA's	1996

23.	*Brassica tournefortii* Wild Turnip	1992 - Australia (Western Australia) 1996 - Australia (South Australia)	1992

24.	*Bromus japonicus* Japanese Brome	2007 - USA (Kansas)	2007

25.	*Bromus secalinus* Rye Brome	2007 - USA (Kansas)	2007

26.	*Bromus tectorum* Downy Brome	1997 - USA (Oregon)	1997

27.	*Camelina microcarpa* Smallseed falseflax	1999 - USA (Oregon)	1999

28.	*Capsella bursa-pastoris* Shepherd's-purse	2000 - Israel 2008 - Canada (Saskatchewan)	2000

29.	*Chenopodium album* Lambsquarters	2001 - Canada (Ontario) 2001 - USA (Michigan) 2001 - USA (Ohio)	2001

30.	*Chrysanthemum coronarium* Crown daisy	2000 - Israel	2000

31.	*Conyza bonariensis* Hairy Fleabane	1993 - Israel	1993

32.	*Conyza canadensis* Horseweed	1993 - Israel Multiple - 2 MOA's 2000 - Poland 2001 - USA (Ohio) 2002 - USA (Michigan) 2003 - USA (Ohio) Multiple - 2 MOA's	1993

33.	*Cuscuta campestris* Field Dodder	1994 - Israel	1994

34.	*Cynosurus echinatus* HedgeHog DogTail	2004 - Chile Multiple - 2 MOA's 2005 - Chile Multiple - 2 MOA's	2004

35.	*Cyperus difformis* Smallflower Umbrella Sedge	1993 - USA (California) 1994 - Australia (New South Wales ) 1999 - Italy 2000 - Brazil 2000 - Spain 2002 - South Korea	1993

36.	*Damasonium minus* Starfruit	1994 - Australia (New South Wales )	1994

37.	*Descurainia sophia* Flixweed	2005 - China 2006 - USA (Kansas)	2005

38.	*Digitaria sanguinalis* Large Crabgrass	1993 - Australia (South Australia) *Multiple - 2 MOA's	1993

39.	*Diplotaxis tenuifolia* Perennial Wall Rocket	2004 - Australia (South Australia)	2004

40.	*Echinochloa colona* Junglerice	1998 - Costa Rica *Multiple - 3 MOA's 2006 - Bolivia	1998

41.	*Echinochloa crus-galli* Barnyardgrass	2002 - Yugoslavia 2007 - Italy 2009 - Brazil *Multiple - 2 MOA's	2002

42.	*Echinochloa phyllopogon* Late Watergrass	2006 - South Korea *Multiple - 3 MOA's	2006

43.	*Echium plantagineum* Salvation Jane	1997 - Australia (South Australia) 1997 - Australia (Western Australia)	1997

44.	*Elatine triandra var. pedicellata* Mizohakobe	1998 - Japan	1998

45.	*Eleusine indica* Goosegrass	1989 - Costa Rica	1989

46.	*Erysimum repandum* Bushy Wallflower	2005 - USA (Kansas)	2005

47.	*Euphorbia heterophylla* Wild Poinsettia	1992 - Brazil 1995 - Paraguay 2004 - Brazil Multiple - 2 MOA's 2006 - Brazil 2006 - Brazil Multiple - 2 MOA's 2007 - Brazil	1992

48.	*Fallopia convolvulus* Climbing Buckwheat	1993 - Australia (Queensland)	1993

49.	*Fimbristylis miliacea* Globe Fringerush	2001 - Brazil	2001

50.	*Galeopsis tetrahit* Common Hempnettle	1995 - Canada (Manitoba) 2006 - Canada (Alberta)	1995

51.	*Galium spurium* False Cleavers	1996 - Canada (Alberta) *Multiple - 2 MOA's 2006 - Canada (Saskatchewan)	1996

52.	*Helianthus annuus* Common Sunflower	1996 - USA (Kansas) 1996 - USA (Missouri) 1996 - USA (South Dakota) 1997 - USA (Iowa)	1996

53.	*Hordeum glaucum* Wall Barley	2005 - Australia (Western Australia)	2005

54.	*Iva xanthifolia* Marshelder	2003 - USA (North Dakota)	2003

55.	*Ixophorus unisetus* Pasto Honduras	1988 - Costa Rica	1988

56.	*Kochia scoparia* Kochia	1987 - USA (Kansas) 1987 - USA (North Dakota) 1988 - Canada (Manitoba) 1988 - Canada (Saskatchewan) 1988 - USA (New Mexico) 1988 - USA (South Dakota) 1989 - Canada (Alberta) 1989 - USA (Colorado) 1989 - USA (Idaho) 1989 - USA (Montana) 1989 - USA (Washington) 1992 - USA (Oklahoma) 1993 - USA (Oregon) 1994 - USA (Minnesota) 1995 - USA (Illinois) Multiple - 2 MOA's 1995 - USA (Indiana) Multiple - 2 MOA's 1995 - USA (Wisconsin) 1996 - Czech Republic *Multiple - 2 MOA's 1996 - USA (Wyoming) 1998 - USA (Texas) 1998 - USA (Utah) 2005 - USA (Michigan)	1987

57.	*Lactuca serriola* Prickly Lettuce	1987 - USA (Idaho) 1993 - USA (Oregon) 1993 - USA (Washington) 1994 - Australia (South Australia)	1987

58.	*Limnocharis flava* Yellow bur-head	1998 - Malaysia *Multiple - 2 MOA's	1998

59.	*Limnophila erecta* Marshweed	2002 - Malaysia *Multiple - 2 MOA's	2002

60.	*Limnophila sessiliflora* Asian marshweed	1997 - Japan	1997

61.	*Lindernia dubia* Low False Pimpernel	1996 - Japan 2000 - South Korea	1996

62.	*Lindernia dubia var. major* Low False Pimpernel (major)	1996 - Japan	1996

63.	*Lindernia micrantha* Azetogarashi (Japanese)	1996 - Japan	1996

64.	*Lindernia procumbens* Azena (Japanese)	1997 - Japan	1997

65.	*Lolium multiflorum* Italian Ryegrass	1995 - USA (Arkansas) Multiple - 2 MOA's 1995 - USA (Mississippi) 2002 - Chile Multiple - 2 MOA's 2003 - USA (Arkansas) 2005 - Chile Multiple - 2 MOA's 2005 - Chile Multiple - 2 MOA's 2005 - Chile Multiple - 2 MOA's 2005 - USA (Idaho) Multiple - 3 MOA's 2006 - Chile Multiple - 2 MOA's 2006 - Chile Multiple - 2 MOA's 2006 - Chile Multiple - 2 MOA's 2006 - Chile Multiple - 2 MOA's 2007 - Chile Multiple - 3 MOA's 2008 - USA (Arkansas) Multiple - 2 MOA's	1995

66.	*Lolium perenne* Perennial Ryegrass	1989 - USA (California) 1989 - USA (Texas) 2008 - Germany *Multiple - 2 MOA's	1989

67.	*Lolium rigidum* Rigid Ryegrass	1982 - Australia (South Australia) Multiple - 7 MOA's 1982 - Australia (Western Australia) Multiple - 3 MOA's 1984 - Australia (Victoria) Multiple - 3 MOA's 1984 - Australia (Western Australia) 1985 - Australia (New South Wales ) Multiple - 3 MOA's 1993 - South Africa Multiple - 2 MOA's 1999 - Australia (Victoria) Multiple - 4 MOA's 2003 - Chile Multiple - 2 MOA's 2006 - Chile Multiple - 2 MOA's 2006 - Chile Multiple - 2 MOA's 2006 - Chile Multiple - 2 MOA's 2006 - France	1982

68.	*Matriacaria chamomilla* Chamomile	2008 - Germany	2008

69.	*Mesembryanthemum crystallinum* Ice Plant	2005 - Australia (South Australia)	2005

70.	*Monochoria korsakowii* Mizuaoi (JPN)/Moolokzam (KOR)	1994 - Japan *Multiple - 2 MOA's 1998 - South Korea 2003 - China	1994

71.	*Monochoria vaginalis* Arrowleafed Monochoria	1999 - South Korea	1999

72.	*Neslia paniculata* Ball Mustard	1998 - Canada (Alberta)	1998

73.	*Oryza sativa* Red Rice	2006 - Brazil	2006

74.	*Papaver rhoeas* Corn Poppy	1993 - Spain *Multiple - 2 MOA's 1998 - Greece 1998 - Italy 2001 - United Kingdom 2003 - Denmark 2003 - Greece	1993

75.	*Parthenium hysterophorus* Ragweed Parthenium	2004 - Brazil	2004

76.	*Pentzia suffruticosa* Calomba daisy	2004 - Australia (South Australia)	2004

77.	*Phalaris brachystachys* Shortspike Canarygrass	2008 - Turkey *Multiple - 2 MOA's	2008

78.	*Phalaris minor* Little Seed Canary Grass	1999 - South Africa Multiple - 2 MOA's 2006 - India Multiple - 3 MOA's	1999

79.	*Polygonum convolvulus* Wild Buckwheat	2007 - Canada	2007

80.	*Raphanus raphanistrum* Wild Radish	1997 - Australia (Western Australia) 1997 - South Africa 1998 - Australia (South Australia) 1998 - Australia (Western Australia) Multiple - 2 MOA's 2004 - Australia (New South Wales ) 2006 - Australia (South Australia) Multiple - 3 MOA's	1997

81.	*Raphanus sativus* Raddish	2001 - Brazil	2001

82.	*Rapistrum rugosum* Turnipweed	1996 - Australia (Queensland)	1996

83.	*Rotala indica var. uliginosa* Kikashigusa	1998 - Japan	1998

84.	*Sagittaria guyanensis* Guyanese Arrowhead	2000 - Malaysia	2000

85.	*Sagittaria montevidensis* California Arrowhead	1993 - USA (California) 1994 - Australia (New South Wales ) 1999 - Brazil 2003 - China	1993

86.	*Sagittaria pygmaea* Dwarf Arrowhead	2004 - South Korea	2004

87.	*Salsola iberica* Russian Thistle	1987 - USA (Montana) 1987 - USA (Washington) 1989 - Canada (Saskatchewan) 1990 - USA (Idaho) 1993 - USA (Oregon) 1994 - USA (California)	1987

88.	*Scirpus juncoides var. ohwianus* Inu-hotarui	1998 - Japan 2001 - South Korea	1998

89.	*Scirpus maritimus* Bulrush	2006 - South Korea	2006

90.	*Scirpus mucronatus* Ricefield Bulrush	1994 - Italy 1997 - USA (California) 2005 - Chile	1994

91.	*Setaria faberi* Giant Foxtail	1996 - USA (Minnesota) 1999 - USA (Wisconsin) 2003 - Canada (Ontario) 2004 - USA (Pennsylvania) 2006 - USA (Michigan)	1996

92.	*Setaria lutescens* Yellow Foxtail (lutescens)	1997 - USA (Minnesota)	1997

93.	*Setaria viridis* Green Foxtail	1999 - USA (Wisconsin) 2001 - Canada (Ontario) 2002 - Canada (Manitoba)	1999

94.	*Setaria viridis var. robusta-alba Schreiber* Robust White Foxtail	1996 - USA (Minnesota)	1996

95.	*Sida spinosa* Prickly Sida	1993 - USA (Georgia)	1993

96.	*Sinapis alba* White Mustard	2007 - Spain	2007

97.	*Sinapis arvensis* Wild Mustard	1992 - Canada (Manitoba) 1993 - Canada (Alberta) 1996 - Australia (New South Wales ) 1999 - USA (North Dakota) 2001 - Turkey 2002 - Canada (Saskatchewan) 2005 - Canada (Saskatchewan) 2008 - Turkey *Multiple - 2 MOA's	1992

98.	*Sisymbrium orientale* Indian Hedge Mustard	1990 - Australia (South Australia) 1993 - Australia (Queensland) 1994 - Australia (New South Wales ) 1994 - Australia (Western Australia) 2005 - Australia (South Australia) *Multiple - 2 MOA's	1990

99.	*Sisymbrium thellungii* African Turnip Weed	1996 - Australia (Queensland)	1996

100.	*Solanum ptycanthum* Eastern Black Nightshade	1999 - USA (Illinois) 1999 - USA (North Dakota) 1999 - USA (Wisconsin) 2000 - Canada (Ontario)	1999

101.	*Sonchus asper* Spiny Sowthistle	1996 - Canada (Alberta) 2000 - USA (Washington)	1996

102.	*Sonchus oleraceus* Sowthistle	1990 - Australia (Queensland)	1990

103.	*Sorghum bicolor* Shattercane	1994 - USA (Nebraska) 1996 - USA (Kansas) 1998 - USA (Iowa) 2000 - USA (Ohio) 2001 - USA (Pennsylvania) 2003 - USA (Virginia) 2006 - USA (Indiana)	1994

104.	*Sorghum halepense* Johnsongrass	2000 - USA (Texas) 2005 - USA (Indiana) 2009 - Mexico	2000

105.	*Stellaria media* Common Chickweed	1988 - Canada (Alberta) 1991 - Denmark 1995 - New Zealand 1995 - Sweden 1996 - Ireland 2000 - United Kingdom 2002 - Norway 2002 - South Africa 2005 - Canada (Saskatchewan) 2008 - USA (Virginia) 2009 - USA (Maryland)	1988

106.	*Thlaspi arvense* Field Penny Cress	2001 - Canada (Alberta)	2001

107.	*Xanthium strumarium* Common cocklebur	1989 - USA (Mississippi) 1992 - USA (Missouri) 1992 - USA (Tennessee) 1994 - USA (Minnesota) 1995 - USA (Arkansas) 1995 - USA (Iowa) 1996 - USA (Oklahoma) 1997 - USA (Kansas) 1998 - USA (Maryland) 1999 - USA (Ohio)	1989

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