Utah's current noxious weed list

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  • Dalmatian Toadflax

    BACKGROUND: Dalmatian toadflax was brought to the United States from Europe, Probably for ornamental purposes. It pr...
  • Squarrose Knapweed

    BACKGROUND: Squarrose knapweed is a native plant of the eastern Mediterranean area. It is very competitive on rangel...
  • Yellow Starthistle

    BACKGROUND: Yellow starthistle was introduced from Europe. It grows well on dry sites in rangeland, roadsides, and w...
  • Yellow toadflax

    BACKGROUND: Yellow Toadflax came from Eurasia. It is an aggressive invader of rangeland, roadsides, field edges and ...
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