A person who shall knowingly and willfully bring into this state a bale of hay containing Canada thistle, or seeds of the same, or any grass or grain seeds with which the seeds of Canada thistle are mixed shall be deemed guilty of a misdemeanor and shall be liable to a fine not exceeding one hundred dollars, or to imprisonment in the county jail, workhouse or penitentiary of the county in which such conviction shall take place, or both fine and imprisonment may be imposed, in the discretion of the court.
N.J.S. § 4:7-55