Oregon Revised Statutes Agriculture § 571.200

(1)(a) No person shall knowingly offer to sell nursery stock that is infected or infested.

(b) Unless the nursery stock is held for separation or treatment under the supervision of an officer, employee or inspector of the State Department of Agriculture, no person shall advertise, display, transport, move, store or warehouse nursery stock that is infected or infested.

(c) Any infected or infested nursery stock may be seized in accordance with the procedures provided for in ORS 561.605 to 561.630.

(a) “Infected” means any appearance of a disease symptom or causal agent that may, in the opinion of the department, be a menace to other nursery stock or any products or properties.

(b) “Infested” means when the mature or immature form of any plant pest, including noxious weeds as defined by the department, is found in such numbers as, in the opinion of the department, to be a menace to other nursery stock or any product or properties.