Lichens as environmental risk detectors F. Caridi, M. D’Agostino, M. Messina, G. Marcianò, L. Grioli, A. Belvedere, S. Marguccio and G. Belmusto Eur. Phys. J. Plus, 132 4 (2017) 189 Published online: 26 April 2017 DOI: 10.1140/epjp/i2017-11459-y