Steve Dewey, Utah State University, Bugwood.org
Canada thistle
Cirsium arvense
For more information about this plant pest, see the CABI data sheet.
Survey Maps
- 8/2019 - Controlling common mullein and Canada thistle
- 8/2019 - INFORMATION EXTENSION: Controlling Canada thistle
- 7/2019 - Canada thistle rust fungus as a biological control
- 6/2019 - Noxious Weed of the Month: Canada thistle
- 6/2019 - â– Extension Notes: Understand broadleaf weed control
- 6/2019 - Pawnee National Grassland trails closing for weed treatment
- 6/2019 - Protect livestock from harmful weeds
- 10/2018 - Researchers Test Fungus To Treat Weeds, Protect Orchids At Filoha Meadows
- 3/2018 - Western States, Wyoming Wage War On Invasive Species
- 2/2018 - Want to be a goat coordinator? Here's your chance