OZONE 



SOFTWOODS 



Tolerant 



Intermediate 



Sensitive 



Balsam fir (Abies balsamea) 



• 







White fir (Abies concolor) 





• 





Western juniper (Juniperus occidentalis) 



• 







European larch (Laris decidua) 







• 



Japanese larch (Larix leptolepis) 







• 



Incense cedar (Libocedrus decurrens) 





• 





Norway spruce (Picea abies) 



• 







White spruce (Picea glauca) 



• 







Black Hills spruce (Picea glauca densata) 



• 







Colorado spruce (Picea pungens) 



• 







Knobcane pine (Pinus attenuata) 





• 





Jack pine (Pinus banksiana) 







• 



Coulter pine (Pinus coulteri) 





• 





Jeffrey pine (Pinus jeffreyi) 







• 



Sugar pine (Pinus lambertiana) 



• 







Singleleaf pinyon pine (Pinus monophylla) 



• 







Austrian pine (Pinus nigra) 







• 



Ponderosa pine (Pinus ponderosa) 







• 



Monterey pine (Pinus radiata) 







• 



Red pine (Pinus resinosa) 



• 







Pitch pine (Pinus rigida) 







• 



Digger pine (Pinus sabiniana) 



• 







Eastern write pine (Pinus strobus) 







• 



Scotch pine (Pinus sylvestris) 







• 



Torrey pine (Pinus torreyana) 



• 







Virginia pine (Pinus virginiana) 







• 



Big cone Douglas fir (Pseudotsuga macrocarpa) 





• 





Douglas fir (Pseudotsuga menziesii) 



• 







Giant sequoia (Sequoia gigantea) 



• 







Redwood (Sequoia sempervirens) 



• 







Arborvitae (Thuja sp.) 



• 







Eastern hemlock (Tsuga canadensis) 







• 



