Section 25920.

25920. The boards of supervisors may carry on and conduct experiments, investigations, and research work, including both cultural and industrial processes, with trees, plants, shrubs, flowers, and other vegetation, to ascertain their adaptation to the climatic, soil, and other conditions of the county, investigate the industrial and economic value of such trees, plants, shrubs, flowers, […]

Section 25921.

25921. The board of supervisors may sell at a price not less than the county’s estimated cost, surplus plants, shrubs, flowers, trees, and vegetation, and their seeds or products, produced at a county arboretum. The board may also exchange such materials for other materials of approximately the same value with any person, entity, political entity, […]