
																
																	Tolerance of the lichen Xanthoria parietina (L.) Th. Fr. to metal stress
																
																
																
															Keywords: کلروفیل a و b; Air pollution; Chlorophyll a and b; Chlorophyll a fluorescence; CO2 gas exchange; Lichens; Metal content; Metal tolerance; Monitoring; Parietin; Thiobarbituric acid reactive substances