Nonmarine edible plants and edible fruiting bodies, including mushrooms, shall be managed by the agency in accordance with WAC 352-28-010. The commercial harvest of edibles is not allowed on park lands. The harvest of edibles for personal consumption, or scientific or educational projects, is subject to the following conditions:

(1) Personal consumption: The recreational harvest, possession, or transport of edible plants and edible fruiting bodies including, but not limited to, mushrooms, berries, and nuts, is allowed up to an amount of two gallons per person per day, unless otherwise posted at the park. The harvest amount may be comprised of one or more species. The harvest may occur within the following park classification areas: Recreation, resource recreation, natural, natural forest, heritage, or in parks not yet classified. No harvest of edible plants or edible fruiting bodies, including mushrooms, is allowed within a natural area preserve. This rule is not intended to limit federally reserved tribal rights, including treaty rights.

(2) Scientific or educational projects: The harvest of edible plants and/or edible fruiting bodies, including mushrooms, for scientific or educational projects is subject to an approved agency research permit as described in WAC 352-28-040. The approval shall specify a harvest amount not to exceed the minimum quantity necessary for the purposes of the project. The harvest may occur within all park classification areas.

(3) Harvest techniques that involve raking or other techniques that have the potential to degrade park natural or cultural resources are prohibited.

(4) The director or the designee of the director may close, temporarily close, or condition public access to certain park areas for recreational harvesting of edibles upon finding that the activity degrades or threatens to degrade the park's natural or cultural resources, or to protect public health, safety, and welfare. Such closure shall be posted at the entrance to the park area affected and at the park office.