Osorio, O., & Cerda M., L.A. 1984 Icerya purchasi M. y otros organsimos asociados a Ulex europaeus L. y Cytisus monspessulanus L. [Icerya purchasi M. and other organisms associated with Ulex europaeus L. and Cytisus monspessulanus L.]. Bosque 5(2): 110-114.
Notes: The decline of Ulex europaeus, an important weed in silvoagricultural systems, was found to be caused by Icerya purchasi and Capnodium sp. (fungus).