El Rhzaoui, Ghita, et al. « Biomonitoring of air pollutants by using lichens (Evernia prunastri) in areas between Kenitra and Mohammedia cities in Morocco ». Lazaroa, vol. 36, décembre 2015, p. 21-30, https://doi.org/10.5209/rev_LAZA.2015.v36.49486.