California Code, Food and Agricultural Code (Formerly Agricultural Code) - FAC § 80111

(a) Except as provided in this division, it is unlawful for any person to destroy, dig up, mutilate, or harvest any living native plant, or the living or dead parts of any native plant, except its fruit, without obtaining written permission from the landowner and a permit and any required wood receipts or tags and seals.

(b) It is unlawful for any person to falsify any paper or document issued to give permission for any person to harvest a native plant specified in Section 80073, or to fail to comply with all of the conditions or stipulations of the permit.