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Appendix A <br /> Approved Street Tree Species List <br /> SPECIES NAME COMMON NAME SOIL PLANTER MATURE UNDER CONDITIONS OF APPROVAL <br /> TYPE WIDTH HEIGHT WIRES <br /> /WIDTH <br /> Acer campestre Hedge Maple type II 4 35/30 yes <br /> Acer circinatum Vine Maple type I 8 20/15 yes Only understory tree & under wires <br /> Acer ginnala 'Flame' Flame Amur Maple type II 4 20/20 yes Only understory tree & under wires <br /> Acer griseum Paperbark Maple type II 4 25/15 yes Only understory tree & under wires <br /> Acer macrophyllum Big Leaf Maple type I 6 100/80 no <br /> Acer nigrum Green Column type II 6 40/25 no <br /> 'Greencolumn' Black Maple <br /> Acer pseudoplatanus Spaethii Sycamore type I 6 45/35 110 <br /> 'Atropurpureum' Maple <br /> Acer rubrum 'Doric' Doric Red Maple type III 4 30/15 yes <br /> Acer rubrum* Red Maple type III 6 50/40 no <br /> Acer saccharinum Sugar maple type I 6 60/35 no <br /> Acer trunc. Norwegian Sunset type II 4 40/30 no <br /> X A. plat. 'Keithsform' Maple <br /> Acer trunc. Pacific Sunset Maple type II 4 35/25 no <br /> X A. plat. 'Warren red' <br /> Acer X freemanii Autumn Blaze Maple type III 6 60/45 no <br /> 'Autumn Blaze' <br /> Acer X freemanii Celebration Maple type III 6 45/25 no <br /> 'Celzam' <br /> Aesculus hippocastanum Bauman Horsechestnut type III 6 40/30 no <br /> 'Baumannii' <br /> Aesculus X camea Red Horsechestnut type III 4 35/30 yes <br /> Alnus oregona Red Alder type III 4 40/30 no Along wetlands only <br /> Betula jacquemontii Jacquemont Birch type II 4 40/30 no <br /> Betula nigra River Birch type II 6 60/40 no <br /> Betula papyrifera Paperbark Birch type II 6 50/30 no <br /> Carpinus betula European Hombeam type II 4 35/20 yes <br /> Carpinus carolina American hornbeam type II 6 35/20 yes <br /> Catalpa bignonioides Southern Catalpa type III 8 60/40 no <br /> Celtis occidentalis Common Hackbeny type II 6 45/40 no <br /> Cercidiphyllum Katsura Tree type I 6 60/40 no Site protected from excessive heat <br /> japonicum <br /> Appendix A to Administrative Rule R -7.280 <br /> 1 of 3 <br />