IL Noxious Weeds List
- Marijuana (cannabis sativa L.)
- Giant Ragweed (Ambrosia trifida L.) – Noxious within the corporate limits of cities, villages, and incorporated towns
- Common Ragweed (Ambrosia atremisiifolic L.) – Noxious within the corporate limits of cities, villages, and incorporated towns
- Canada Thistle (cirsium arvense)
- Perennial Sow Thistle (sonchus arvensis)
- Musk Thistle (carduus nutans)
- Perennial members of the sorghum genus including Johnson-grass (sorghum halepense), sorghum almun, and other Johnson-grass x sorghum crosses with rhizomes
- Kudzu (pueraria labata)