State Government
Scotch Thistle
Arizona Department of Transportation. Natural
Resources Management Group.
Identification/Description; Photographs; Life Cycle; Habitat; Controls; Legal Aspects
Onopordum genus - EncycloWeedia
California Department of Food and Agriculture.
Identification/Description; Photographs; Habitat; Distribution; Dispersion; Controls
Integrated Weed Management of Scotch Thistle (PDF | 171 KB)
State of Colorado. Douglas County. Public Works.
Identification/Description; Photographs; Controls
Scotch Thistle - Noxious Weed Information Series (PDF | 188 KB)
State of Colorado. Jefferson County Weed and Pest Management Program.
Identification/Description; Photographs; Controls
Scotch
Thistle
Colorado Department of Agriculture. Noxious Weed Management Program.
Identification/Description; Photographs; Introduction
History; Impacts; Distribution; Controls
Scotch Thistle
State of Utah. Weber County Weed Abatement.
Identification/Description; Photographs; Habitat; Dispersion; Controls
Class
B Noxious Weed: Scotch Thistle
Washington State Noxious Weed Control Board.
Taxonomy; Identification/Description;
Photographs; Impacts; Habitat; Distribution; Dispersion;
Controls; Legal Aspects |