OZONE 



HARDWOODS 



Tolerant 



Intermediate 



Sensitive 



Boxelder (Acer negundo) 









Norway maple (Acer platoides) 



• 







Red maple (Acer rubra) 



• 







Silver maple (Acer saccharinum) 









Sugar maple (Acer saccharum) 



• 







Alder (Alnus sp.) 









European white birch (Betula pendula) 



• 







Catalpa (Catalpa sp.) 









Judas tree (Cercis chinensis) 









White dogwood (Cornus florida) 



• 







White ash (Fraxinus americana) 









Green ash (Fraxinus pennsylvanica) 









Honeylocust (Gleditsia triacanthos) 









Black walnut (Juglans nigra) 



• 







Sweetgum (Liquidambar styraciflua) 









Tulip tree (Liriodendron tulipfera) 









Siberian crab (Malus baccata) 









Maple leaf mulberry (Morus alba acerfolia) 









American planetree (Platanus occidentalis) 









California sycamore (Platanus racemosa) 









Quaking aspen (Populus tremuloides) 









White oak (Quercus alba) 









Scarlet oak (Quercus coccinea) 









Gambel oak (Quercus gambelii) 









Shingle oak (Quercus imbricaria) 



• 







Pin oak (Quercus palustris) 









English oak (Quercus robur) 



• 







Red oak (Quercus rubra) 



• 







Black locust (Robinia pseudoacacia) 









Weeping willow (Salix babylonica) 









European mountain ash (Sorbus aucuparia) 



• 







Little leaf linden (Tilia cordata) 







• 



