A county board may appropriate, annually, a sum of money to eradicate and remove rust-producing bushes, including barberry and mahonia and excluding Japanese barberry. The money appropriated shall be spent as the county board may, by resolution, provide.
A county board, by resolution, may appropriate and spend money as necessary to spray and otherwise eradicate wild hemp on private property within the county. The county board may authorize the use of county equipment, personnel and supplies and materials to spray or otherwise eradicate wild hemp on private property, and may pro rate the expenses involved between the county and owner or occupant of the property. Industrial hemp grown by a person licensed under chapter 18K is not wild hemp.