520 ILCS 10/3

It is unlawful for any person: (1) to possess, take, transport, sell, offer for sale, give or otherwise dispose of any animal or the product thereof of any animal species which occurs on the Illinois List, unless otherwise authorized by law; (2) to deliver, receive, carry, transport or ship in interstate or foreign commerce plants listed as endangered by the federal government without a permit therefor issued by the Department as provided in Section 4 of this Act; (3) to take plants on the Illinois List without the express written permission of the landowner; or (4) to sell or offer for sale plants or plant products of endangered species on the Illinois List.