Illinois

State Contacts

Christopher Evans

Top Reported Species

• Japanese honeysuckle: 9,309
  
• Multiflora rose: 6,915
  
• Autumn olive: 6,587
  
• Common carp: 3,675
  
• Japanese stiltgrass: 2,591
  
• Amur honeysuckle: 1,695
  
• Silver carp: 1,453
  
• Himalayan blackberry: 1,391
  
• Asian clam: 780
  
• Grass carp: 734
  

Recent Observations

• Common yarrow in Kendall County, IL on July 18, 2023
• Wild parsnip in Kendall County, IL on July 17, 2023
• Queen Anne's lace in Kendall County, IL on July 17, 2023
• Lesser burdock in Cook County, IL on July 15, 2023
• Queen Anne's lace in Cook County, IL on July 15, 2023