§ 91.069  CERTAIN TREES PROHIBITED.
   (A)   It is unlawful to plant in any public parking strip the following trees: Acacia, Black Walnut, Eucalyptus, Elm, Palm, Poplar, Tree of Heaven, Conifers, Sycamore.
   (B)   It is unlawful to plant Willow, Cottonwood or Poplar trees anywhere in the city unless the Superintendent of Streets approves the site as one where the roots will not interfere with a public sewer.
(1994 Code, § 12.12.050)  Penalty, see § 10.99