International Survey of Herbicide-Resistant Weeds

Countries Weeds Herbicides Mutations Graphs References Researchers
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Weeds Resistant to Synthetic Auxins (O/4)
by species and country
Weeds Resistant to Synthetic Auxins (O/4)
by species and country
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Weeds Resistant to Synthetic Auxins (O/4)
by species and country
#SpeciesCountryFirst Year
1 Amaranthus tuberculatus (=A. rudis)
Tall Waterhemp
2009 - United States (Nebraska)
2009219Amaranthus tuberculatus (=A. rudis)Tall WaterhempO244Synthetic Auxins
2 Carduus nutans
Musk Thistle
1981 - New Zealand
198142Carduus nutansMusk ThistleO244Synthetic Auxins
3 Carduus pycnocephalus
Italian Thistle
1997 - New Zealand
199743Carduus pycnocephalusItalian ThistleO244Synthetic Auxins
4 Centaurea cyanus
Cornflower
2012 - Poland
2012277Centaurea cyanusCornflowerO244Synthetic Auxins
5 Centaurea solstitialis
Yellow Starthistle
1988 - United States (Washington)
198844Centaurea solstitialisYellow StarthistleO244Synthetic Auxins
6 Chenopodium album
Common Lambsquarters
2005 - New Zealand
200547Chenopodium albumCommon LambsquartersO244Synthetic Auxins
7 Cirsium arvense
Canada thistle
1979 - Sweden
1985 - Hungary
197955Cirsium arvenseCanada thistleO244Synthetic Auxins
8 Commelina diffusa
Spreading Dayflower
1957 - United States (Hawaii)
195756Commelina diffusaSpreading DayflowerO244Synthetic Auxins
9 Daucus carota
Wild Carrot
1957 - Canada (Ontario)
1993 - United States (Michigan)
1994 - United States (Ohio)
195776Daucus carotaWild CarrotO244Synthetic Auxins
10 Descurainia sophia
Flixweed
2011 - China
2011237Descurainia sophiaFlixweedO244Synthetic Auxins
11 Digitaria ischaemum
Smooth Crabgrass
2002 - United States (California)
2002177Digitaria ischaemumSmooth CrabgrassO244Synthetic Auxins
12 Echinochloa colona
Junglerice
2000 - Colombia
200078Echinochloa colonaJunglericeO244Synthetic Auxins
13 Echinochloa crus-galli var. crus-galli
Barnyardgrass
1998 - United States (Louisiana)
1999 - Brazil
1999 - United States (Arkansas) *Multiple - 2 SOA's
2000 - China
2009 - Brazil *Multiple - 2 SOA's
2013 - Uruguay
199879Echinochloa crus-galli var. crus-galliBarnyardgrassO244Synthetic Auxins
14 Echinochloa crusgalli var. zelayensis
Gulf Cockspur Grass
2013 - China
2013305Echinochloa crusgalli var. zelayensisGulf Cockspur GrassO244Synthetic Auxins
15 Echinochloa crus-pavonis
Gulf Cockspur
1999 - Brazil
1999193Echinochloa crus-pavonisGulf CockspurO244Synthetic Auxins
16 Fimbristylis miliacea
Globe Fringerush
1989 - Malaysia
198990Fimbristylis miliaceaGlobe FringerushO244Synthetic Auxins
17 Galeopsis tetrahit
Common Hempnettle
1998 - Canada (Alberta)
199891Galeopsis tetrahitCommon HempnettleO244Synthetic Auxins
18 Galium aparine
Catchweed Bedstraw
2014 - China
2014272Galium aparineCatchweed BedstrawO244Synthetic Auxins
19 Galium spurium
False Cleavers
1996 - Canada (Alberta) *Multiple - 2 SOA's
199693Galium spuriumFalse CleaversO244Synthetic Auxins
20 Kochia scoparia
Kochia
1994 - United States (Montana)
1995 - United States (North Dakota)
1997 - United States (Idaho)
1999 - United States (Colorado)
2009 - United States (Nebraska)
2013 - United States (Kansas) *Multiple - 4 SOA's
2013 - United States (Kansas) *Multiple - 2 SOA's
2015 - Canada (Saskatchewan) *Multiple - 2 SOA's
1994101Kochia scopariaKochiaO244Synthetic Auxins
21 Lactuca serriola
Prickly Lettuce
2007 - United States (Washington)
2007102Lactuca serriolaPrickly LettuceO244Synthetic Auxins
22 Limnocharis flava
Sawah Flowering Rush
1995 - Indonesia
1998 - Malaysia *Multiple - 2 SOA's
1995104Limnocharis flavaSawah Flowering RushO244Synthetic Auxins
23 Limnophila erecta
Marshweed
2002 - Malaysia *Multiple - 2 SOA's
2002226Limnophila erectaMarshweedO244Synthetic Auxins
24 Papaver rhoeas
Corn Poppy
1993 - Spain *Multiple - 2 SOA's
1998 - Italy *Multiple - 2 SOA's
1998 - Italy
1993123Papaver rhoeasCorn PoppyO244Synthetic Auxins
25 Ranunculus acris
Tall Buttercup
1988 - New Zealand
1988140Ranunculus acrisTall ButtercupO244Synthetic Auxins
26 Raphanus raphanistrum
Wild Radish
1999 - Australia (Western Australia)
2006 - Australia (South Australia) *Multiple - 3 SOA's
2009 - Australia (Victoria) *Multiple - 2 SOA's
2010 - Australia (Western Australia) *Multiple - 4 SOA's
2011 - Australia (Victoria)
2013 - Australia (New South Wales )
1999141Raphanus raphanistrumWild RadishO244Synthetic Auxins
27 Sinapis arvensis
Wild Mustard
1990 - Canada (Manitoba)
2008 - Turkey *Multiple - 2 SOA's
1990158Sinapis arvensisWild MustardO244Synthetic Auxins
28 Sisymbrium orientale
Oriental Mustard
2005 - Australia (South Australia) *Multiple - 2 SOA's
2005159Sisymbrium orientaleOriental MustardO244Synthetic Auxins
29 Soliva sessilis
Lawn Burweed
1999 - New Zealand
1999199Soliva sessilisLawn BurweedO244Synthetic Auxins
30 Sonchus oleraceus
Annual Sowthistle
2015 - Australia (South Australia)
2015164Sonchus oleraceusAnnual SowthistleO244Synthetic Auxins
31 Sphenoclea zeylanica
Gooseweed
1983 - Philippines
1995 - Malaysia
2000 - Thailand
1983167Sphenoclea zeylanicaGooseweedO244Synthetic Auxins
32 Stellaria media
Common Chickweed
1985 - United Kingdom
2010 - China
1985168Stellaria mediaCommon ChickweedO244Synthetic Auxins
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Cite this site as: Heap, I.  The International Survey of Herbicide Resistant Weeds.  Online.  Internet.  Thursday, June 30, 2016 .  Available  www.weedscience.org
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