8 Ill. Adm. Code 230.20
Prohibited (Primary) Noxious Weed Seeds
Section 230
Section 230.20 Prohibited
(Primary) Noxious Weed Seeds
The following list of prohibited
noxious weed seeds is hereby established:
Common name
Scientific name
Bindweed field
Convolvulus arvensis
Cress, hoary
Cardaria draba
Johnsongrass*
Sorghum halepense
Knapweed, Russian
Centaurea picris
Sowthistle, perennial
Sonchus arvensis
Spurge, leafy
Euphorbia esula
Thistle, Canada
Cirsium arvense
Tussock, Serrated
Nassella Trichotoma
*NOTE: Johnsongrass includes
Sorghum Almum (Sorghum almum) and all seeds indistinguishable from Johnsongrass.