Iowa Code Title VIII. Transportation [Chs. 306-330B] § 317.1C. Department--powers and duties

2. a. The department may adopt administrative rules, pursuant to chapter 17A, providing a list of plants that it determines is noxious in the manner provided in section 317.1A.

b. The department may establish priorities from the list of noxious weeds described in section 317.1A for control or eradication. The priorities may be published annually and made available to the state department of transportation, counties, commissioners, and to the public on the internet site controlled by the department of agriculture and land stewardship. The state department of transportation, boards of supervisors, and weed commissioners shall consider the priorities when establishing programs of weed control or eradication pursuant to section 317.13.