OSU-Tulsa County Master Gardeners should be aware that the 
City of Tulsa has an official list of trees and ordinances 
pertaining to trees.  The following was obtained from the Mayor's 
Office.

APPROVED STREET TREES, CITY OF TULSA, APRIL 5, 1993

Common Name				Botanical name

Large Trees:

Cypress, Bald			Taxodium disticum
Ginkgo (male)			Ginkgo biloboa	
Hackberry, Common		Celtis occidentalis
Oak, Black			Quercus velutina
Oak, Bur			Quercus macrocarpa
Oak, Northern Red		Quercus rubra
Oak, Pin			Quercus palustris
Oak, Shumard			Quercus shumardi
Oak, Southern Red		Quercus falcata
Oak, Swamp White		Quercus bicolor
Oak, Water			Quercus nigra
Oak, White			Quercus alba
Oak, Willow			Quercus phellos
Pecan				Carya illinoiensis
Pine, Loblolly			Pinus taeda
Pine, Shortleaf			Pinus echinata
Pine, White			Pinus strobus
Planetree, London		Platanus x acerifolia
Sycamore, American		Platanus occidentalis
Tulip Tree			Liriodendron tulipifera

Medium Trees:
	
Ash, Green			Fraxinus pennsylvanica
Ash, White			Fraxinus americana
Birch, River			Betula nigra
Chittimwood			Bumelia lanuginosa
Coffeetree, Kentucky (male)	Gymnocladus dioicus
Cypress, Leyland		Cupressocyparis leylandi
Elm, Lacebark			Ulmus parvifolia
Goldenrain Tree,Panicled	Koelreuteria paniculata
Holly, American			Ilex opaca
Hophornbeam, Eastern		Ostrya virginiana
Hornbeam, European		Carpinus betulus
Juniper, Rocky Mountain		Juniperus scopulorum
Linden, American		Tilia americana
Locust, Thornless Honey		Gleditisia triacanthos
Magnolia, Sweetbay		Magnolia virginiana
Maple, Norway			Acer platanoides
Maple, Red			Acer rubrum
Maple, Sugar			Acer saccharum
Mulberry, White - (male)	Morus alba
Oak, Blackjack			Quercus marilandica
Oak, Chinquapin			Quercus muehlenbergi
Oak, English			Quercus robur
Oak, Post			Quercus stellata
Oak, Sawtooth			Quercus acutissima
Pear, Callary (var.)		Pyrus calleryana var.
Pine, Austrian			Pinus nigra
Pine, Japanese Black		Pinus thunbergiana
Pine, Scotch			Pinus sylvestris
Pistache, Chinese		Pistacia chinensis
Poplar, white			Populus alba
Sassafras, Common		Sassafras albidum
Zelkova, Japanese		Zelkova carpinifolia

Small Trees:

Cherry, Japanese		Prunus serrulata
Crabapple, Flowering		Malus spp.
Dogwood, Flowering		Cornus florida
Euonymus, Winged		Euonymus alatus
Hawthorn, Washington		Crataegus phaenopyrum
Holly, Decidous			Ilex decidua
Holly, Yaupon			Ilex vomitoria
Hornbeam, American		Carpinus caroliniana
Magnolia, Saucer		Magnolia soulangiana
Maple, Amur			Acer ginnala
Mockorange, Sweet		Philadelphus coronarius
Olive, Russian			Elaeagnus angustifolia
Plum, Purpleleaf		Prunus cerasifera
Redbud, Eastern			Cercis canadensis
Serviceberry, Downy		Amelanchier arborea
Smoketree, Common		Cotinus coggygria


Tree sizes and spacing.

Large -  Trees that mature over 60 feet in height and need a spacing of
         at least 35 feet.

Medium - Trees with a mature size from 30 - 60 feet and need a spacing 
         of at least 25 feet.

Small -  Trees with a mature size of less than 30 feet and need a spacing 
         of at least 15 feet.

CITY OF TULSA REVISED ORDINANCES, TITLE 35,STREETS AND SIDEWALKS

CHAPTER 1. GENERAL PROVISIONS  
CHAPTER 2. SIDEWALKS AND DRIVEWAYS 
CHAPTER 3. PAVING AND SIDEWALK CUTS  
CHAPTER 4. CONSTRUCTION OF PRIVATELY FINANCED PUBLIC IMPROVEMENTS 
CHAPTER 5. RETAINING WALLS 
CHAPTER 6. PENALTY 
CHAPTER 7. LAWN SPRINKLING SYSTEMS ON PUBLIC PROPERTY  
CHAPTER 8. PERMIT REQUIRED TO USE NATURAL GAS PIPELINE 
CHAPTER 9. TREES
 
CHAPTER 9 -- TREES 
Section 900. Definitions. 
Section 901. Street Trees. 
Section 902. Trees in Public Utility Easements. 
Section 903. Care of Trees on Public Land. 
Section 904. Tree Topping. 
Section 905. Removal of Trees Which Obstruct Light or View. 
Section 906. Dead or Diseased Trees. 
Section 907. Interference With City Personnel. 
Section 908. Review by the Council. 
Section 909. Penalty. 

SECTION 900. DEFINITIONS 

For the purposes of this chapter, the following words and phrases shall 
have the meanings given herein.

A. Abutting property owner shall mean any person, firm, partnership or 
   non-municipal corporation owning property abutting a public right-of-way.
 
B. Arterial street shall mean a street with direct access to abutting property 
   designed to accommodate medium to heavy traffic moving between areas in the
   city or across the city. 

C. City shall mean the City of Tulsa, Oklahoma, a municipal corporation.
 
D. Code official shall mean the person or persons designated by the Mayor to 
   implement the provisions of this chapter.
 
E. Council shall mean the governing body of the City of Tulsa, Oklahoma. 

F. Expressway shall mean a divided highway for through traffic with full or
   partial control of access. 

G. Freeway shall mean an expressway with full control of access.
 
H. Mayor shall mean the Mayor of the City of Tulsa, Oklahoma, or his or her 
   designated representative. 

I. Park trees shall mean trees in designated public parks or in any area owned
   by the City to which the public has free access. 

J. Person shall mean every natural person, firm, partnership or non-municipal
   corporation. 

K. Public land shall mean any real property within the corporate limits of the 
   City in which the City has any ownership interest. 

L. Shrub shall mean a low woody plant, usually multi-stemmed.
 
M. Sight-distance triangle shall mean the area within an imaginary triangle 
   formed at a street corner as follows: Extend the curb lines (or the edge of the 
   pavement where no curbs exist) into the street to a point where those lines
   intersect; from that point of intersection measure along both curb lines 
   (or edges of pavement) to two points, each of which is thirty-five (35) feet
   from the point of intersection; the connecting of these three points shall form 
   the sight-distance triangle. 

N. Street trees shall mean trees within the entire width of every public way or 
   right-of-way when any part thereof is open to the use of the public for the 
   purpose of vehicular and pedestrian traffic.
 
O. Topping shall mean the cutting back of tree limbs within the tree's crown to 
   stubs larger than three (3) inches in diameter thereby removing the natural 
   canopy and/ or disfiguring the tree.  

P. Tree shall mean a woody perennial plant having a well defined stem or trunk 
   and a definite crown which attains a mature height of at least eight (8) feet.
   Ord. No. 17913 

SECTION 901. STREET TREES
 
A. Approved Street Trees. The Mayor shall adopt, subject to the approval of the 
   Council, and file with the City Clerk an official list of approved street trees 
   designating small trees, medium trees and large trees. No species other than those
   included on the official list of approved street trees may be planted as street
   trees unless permission to do so is given by the Mayor.
 
B. Spacing and Clearance. Spacing requirements for street trees are as follows: 

1. No tree on an arterial street shall be planted closer than seven (7) feet from the 
   face of the street curb or closer than four (4) feet from a sidewalk, except that 
   in the central business district street trees may be planted two (2) feet from the
   curb; provided that where no curb exists, the measurement shall be taken from the 
   edge of the paving; 

2. At the intersection of any arterial street with any other street, no abutting 
   property owner shall allow any tree or shrub to exceed a height of thirty (30) inches
   above street grade within the sight-distance triangle as defined herein; 

3. No tree or shrub planted closer than fifty (50) feet from the end of any arterial
   street median shall be allowed to exceed a height of thirty (30) inches above street 
   grade; trees on arterial street medians should be spaced no closer than thirty
   (30) feet from each other; 

4. At the intersection of any arterial street with any other street, no abutting
   property owner shall allow any tree within one hundred (100) feet of the intersection,
   measured from the point of intersecting curbs or curb lines or from the edge of 
   the paving where no curbs exist, to have any branches within five (5) feet of
   the street grade; 

5. Tree plantings on freeways and expressways shall be no closer than thirty (30)
   feet from the edge of the outside driving lanes and twenty (20) feet from any 
   fencing and spaced no closer than twenty-five (25) feet apart; provided, however,
   that trees may be planted in a cluster and mulched so that mowing between the 
   clustered trees is not required; and 

6. No tree or shrub shall be planted within fifteen (15) feet of any fire hydrant 
   so as to obstruct the fire hydrant when viewed from the street. Ord. No. 17913 

SECTION 902. TREES IN PUBLIC UTILITY EASEMENTS 

No trees other than those species listed as small trees on the official list of approved 
street trees on file with the City Clerk may be planted under or within twenty (20) 
lateral feet of any overhead utility wire, or over or within five (5) lateral feet of 
any underground public utility line. Ord. No. 17913 

SECTION 903. CARE OF TREES ON PUBLIC LAND 

A. The City shall have the right to prune and remove trees, plants and shrubs within the
   right-of-way lines of all streets, alleys, avenues, lanes, squares and public grounds
   as may be necessary to insure public safety, to preserve or enhance the symmetry and 
   beauty of the public area, or to protect public utility facilities thereon. 

B. The City may remove, or cause or order to be removed, any tree or part thereof 
   which is in an unsafe condition or which by reason of its nature is injurious to 
   sewers, electric power lines, gas lines, water, lines, or other public improvements,
   or is infected with any injurious fungus, insect or other pest. 

C. This section shall not prohibit the planting of street trees by abutting property owners, 
   providing that the selection and location of such trees is in accordance with Sections 901 
   and 902 herein. Ord. No. 17913 

SECTION 904. TREE TOPPING 

A. Tree Topping Prohibited Generally. It shall be unlawful as a normal practice for any 
   person or for any City department to top any street tree, park tree, or other tree on
   public property. 

B. Exception. Where other pruning practices are impractical, the code official may exempt
   from this section trees which have been severely damaged by storms or other causes and 
   certain trees under utility wires or other obstructions. Ord. No. 17913 

SECTION 905. REMOVAL OF TREES WHICH OBSTRUCT LIGHT OR VIEW 

A. Owner's Responsibility. Notwithstanding anything herein to the contrary, the owner of any  
   tree overhanging any street or right-of-way within the City shall prune the branches so 
   that the branches shall neither obstruct the light from any street lamp nor the view of
   any street intersection. 

B. City's Right to Prune. The City shall have the right to prune any tree or shrub on private
   property when it interferes with the proper spread of light along the street from a 
   street light or interferes with visibility of any traffic control device or street sign.
   Ord. No. 17913 

SECTION 906. DEAD OR DISEASED TREES 

The Code Official shall have the right to cause the removal of any dead or diseased trees 
on private property within the City according to the provisions of Title 24, Tulsa Revised 
Ordinances or 11 O. S. Supp. 1996, § 22-111. Ord. No. 17913 

SECTION 907. INTERFERENCE WITH CITY PERSONNEL 

It shall be unlawful for any person to prevent, delay, or interfere with City personnel 
while they are engaged in planting, cultivating, mulching, pruning, spraying or removing 
any street trees, park trees, or trees on private grounds as authorized by this chapter.
 Ord. No. 17913 

SECTION 908. REVIEW BY THE COUNCIL 

The City Council shall have the right to review the conduct, acts and decisions of the code 
official. Any person may appeal from any ruling or order of the code official by filing a 
written complaint with the City Clerk. The City Council shall hear the appeal at its earliest 
available meeting. Ord. No. 17913 

SECTION 909. PENALTY 
Any person violating any provision of this chapter shall be guilty of an offense and,
upon conviction shall be punished by a fine of not more than ONE HUNDRED DOLLARS ($ 100.00)
including costs. Ord. No. 17913 

CITY OF TULSA REVISED ORDINANCES, TITLE 26, PARKS, MALL, PLAZA, CHAPTER 1.

SECTION 103. PROHIBITED ACTS 

A. No person shall mark, deface, disfigure, tamper with or displace or remove any buildings, 
   bridges, tables, benches, fireplaces, decorative structures, railings, pavings or paving 
   materials, water lines or other public utilities or parts or appurtenances thereof, signs, 
   notices or place cards, whether temporary or permanent, monuments, stakes, posts or other 
   boundary markers, other structures or equipment, facilities or park property or appurtenances
   whatsoever, either real or personal. 

B. No person shall damage, cut, carve, mark, transplant or remove any plant or injure the bark;
   pick flowers or seed of any tree or plant; dig in or otherwise disturb grass areas; or in
   any other way injure the natural beauty or usefulness of any area. 

C. No person shall cut any tree, dead or alive, whether erect or felled, or collect leaves,
   bark, wood chips, mulch, or other organic material, or soil for any purpose without the 
   written permission of the appropriate Board or Director. 

D. No person shall handle or disturb plants or flowers or any other object or thing in any 
   conservatory, greenhouse, propagating house, or nursery; or remove any flowers, either cut 
   or uncut, or plants or property of any park area or facility, propagating area or greenhouse;
   or plant, set out, or otherwise place any plant material, tree, shrub or flower within 
   any park area or facility without the written permission or the appropriate Board or Director.