Illinois Invasive Plant Species Council (IIPSC) Established March 9, 2005 Reports directly to the Aquatic and Terrestrial Nuisance Species Task Force of IDNR IIPSC's Mission is to minimize the adverse economic and ecological effects that invasive plants pose to the State of Illinois. The Council has a Chair and a sixteen member Board with voting privileges; however, the meetings are open to all interested people. The Board is made up of key stakeholders on invasive plant issues with 8 representatives from the nursery and landscaping industry and 8 representatives from the natural resources field concerned with habitat restoration efforts. Definition of Invasive Plant Species according to IIPSC - With respect to a particular ecosystem, any species that is not native to that ecosystem, including its seeds, spores, or other biological material capable of propagating that species AND whose introduction does or is likely to cause economic or environmental harm. Strategic Work Plan | Strategic Plan