Noxious weed identification
The Utah Noxious Weed List
All 54 state-listed weeds, with photographs taken in northern Utah.
54 entries
African MustardBrassica tournefortii1B
African RuePeganum harmala1A
BermudagrassCynodon dactylonClass 3
Black HenbaneHyoscyamus nigerClass 2
CamelthornAlhagi maurorum1B
Canada ThistleCirsium arvenseClass 3
CogongrassImperata cylindricaClass 4
Common CrupinaCrupina vulgaris1A
Common St. JohnswortHypericum perforatum1B
Cutleaf VipergrassScorzonera laciniata1B
Dalmatian ToadflaxLinaria dalmaticaClass 2
DamesrocketHesperis matronalisClass 4
Diffuse KnapweedCentaurea diffusaClass 2
Dyers WoadIsatis tinctoriaClass 2
Elongated MustardBrassica elongata1B
Field BindweedConvolvulus arvensisClass 3
Garlic MustardAlliaria petiolata1B
Giant ReedArundo donax1B
GoatsrueGalega officinalis1B
Hoary CressCardari adrabaClass 3
HoundstongueCynoglossum officinaleClass 3
Japanese KnotweedPolygonum cuspidatum1B
Jointed GoatgrassAegilops cylindricaClass 3
Leafy SpurgeEuphorbia esulaClass 2
Malta StarthistleCentaurea melitensis1A
Mediterranean SageSalvia aethiopis1A
MedusaheadTaeniatherum caput-medusaeClass 2
Musk ThistleCarduus nutansClass 3
Myrtle SpurgeEuphorbia myrsinitesClass 4
Oxeye DaisyLeucanthemum vulgare1B
Perennial PepperweedLepidium latifoliumClass 3
Perennial Sorghum SpeciesSorghum halepenseClass 3
PhragmitesPhragmites australisClass 3
Plumeless ThistleCarduus acanthoides1A
Poison HemlockConium maculatumClass 3
PuncturevineTribulus terrestrisClass 3
Purple LoosestrifeLythrum salicariaClass 2
Purple StarthistleCentaurea calcitrapa1B
QuackgrassElymus repensClass 3
Rush SkeletonweedChondrilla junceaClass 2
Russian KnapweedAcroptilon repensClass 3
Russian OliveElaeagnus angustifoliaClass 4
SaltcedarTamarix ramosissimaClass 3
Scotch BroomCytisus scopariusClass 4
Scotch ThistleOnopordum acanthiumClass 3
Small BuglossAnchusa arvensis1A
Spotted KnapweedCentaurea stoebeClass 2
Spring MilletgrassMilium vernale1A
Squarrose KnapweedCentaurea virgataClass 2
Syrian BeancaperZygophyllum fabago1A
VentanataVentenata dubia1B
Vipers buglossEchium vulgare1B
Yellow StarthistleCentaurea solstitialisClass 2
Yellow ToadflaxLinaria VulgarisClass 2
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