(Q53654571)
Statements
Ozone injury on cutleaf coneflower (Rudbeckia laciniata) and crown-beard (Verbesina occidentalis) in Great Smoky Mountains National Park. (English)
Chappelka AH
Neufeld HS
Davison AW
Somers GL
Renfro JR
1 January 2003
125
1
53-59