Cal. Pub. Res. Code § 4726

Any person who willfully cuts down, strips of its bark, or destroys by fire, any tree “over 16 feet in diameter,” in the groves of big trees situated in the Counties of Fresno, Tulare, or Kern, is guilty of a misdemeanor, and is punishable by fine of not less than one hundred dollars ($100) nor more than six hundred dollars ($600), or by imprisonment in the county jail not less than 25 days nor more than 150 days, or by both such fine and imprisonment.