(a) The director shall maintain a list of approved street trees.
(b) The director may approve species other than from the approved list when the planting of the species is of equal or greater benefit to the city.
(1957 Rev. Ords., § 11.903; 1992 Code, § 42-47) (Ord. 11-77, passed 2-14-1977; Ord. 94-08, passed 7-21-2008; Ord. 37-12, passed 6-12-2012)