@article {3118, title = {Ozone Injury on Cutleaf Coneflower (Rudbeckia laciniata) and Crown-Beard (Verbesina occidentalis) in Great Smoky Mountains National Park}, journal = {Environmental Pollution}, volume = {125}, year = {2003}, pages = {53-59}, keywords = {Air quality, Cherokee Orchard, Clingmans Dome, Flora, Pollution}, author = {Chappelka, Arthur H and Neufeld, Howard S and Davison, Alan W and Somers, Greg L and Renfro, James R} }