Lake County Noxious Weed Report a Concern 2026 Question Title * 1. What is the full address of the infestation? Please include street number, street name, city, state, and zip code. Question Title * 2. What is the suspected species of the infestation? Common ragweed Ambrosia artemisiifolia Giant ragweed Ambrosia trifida Marijuana Cannabis sativa Musk thistle Carduus nutans Canada thistle Cirsium arvense Kudzu-vine Pueraria lobata Perennial sowthistle Sonchus arvensis Johnson grass Sorghum halepense Sorghum-almum Sorghum x almum Question Title * 3. What is the area coverage of the infestation in square feet? Question Title * 4. Please submit photo evidence of the infestation at this address. Question Title * 5. Please enter the email address or phone number you would like to be contacted at by a Lake County staff member (optional). Done