Tuttolomondo, T., G. Fascella, M. Licata, R. Schicchi, M. Gennaro, S. La Bella, C. Leto, and S. Aprile. “Studies on Sedum Taxa Found in Sicily (Italy) for Mediterranean Extensive Green Roofs”. Italian Journal of Agronomy, Vol. 13, no. 2, Jan. 2018, pp. 148-54, doi:10.4081/ija.2018.1077.