Illinois Administrative Code
Title 8 - AGRICULTURE AND ANIMALS
Part 220 - ILLINOIS NOXIOUS WEED LAW
Section 220.220 - Articles Designated as Capable of Disseminating Noxious Weeds

a) Machinery or equipment, particularly combines, hay balers, earth-moving machinery and well drilling rigs;

b) Farm truck and common carriers;

c) Grain or seed;

d) Hay, straw, or other material of similar nature;

e) Nursery stock and sod;

f) Seed and screenings sold for livestock feed;

g) Fence posts, fencing or railroad ties;

h) Manure, fertilizers, or material of similar nature; and

i) Soil.