El Rhzaoui, Ghita, Pradeep K. Divakar, Ana Crespo, y Hikmat Tahiri. «Biomonitoring of air pollutants by using lichens (Evernia prunastri) in areas between Kenitra and Mohammedia cities in Morocco». Lazaroa, vol. 36, vol. 36, 2015, pp. 21-30, doi: https://doi.org/10.5209/rev_LAZA.2015.v36.49486.