RCW 77.15.390: Seaweed—Unlawful taking—Penalty.

(1) A person is guilty of unlawful taking of seaweed if the person takes or possesses seaweed and:

(a) The person has not purchased a personal use shellfish and seaweed license issued to Washington residents or nonresidents under chapter 77.32 RCW; or

(b) The person takes or possesses seaweed in an amount that is two times or more of the daily possession limit of seaweed.

(2) Unlawful taking of seaweed is a misdemeanor. This does not affect rights of the state to recover civilly for trespass, conversion, or theft of state-owned valuable materials.