Boonpragob, K/ Nash, TH 1991: Physiological responses of the lichen Ramalina menziesii Tayl. to the Los Angeles urban environment. - Environmental and Experimental Botany31(2): 229-238. [RLL List # / Rec.# 2139] Keywords: AIR POLLUTION/ FLUORIDES/ NITRATE/ SULFUR DIOXIDE
Abstract: 3 fig. 1 tab. [Transplant experiments show a decline in chlorophyll content and net photosynthesis associated with the accumulation of 23 ions, particularly nitrate and fluoride.]