Affiliation: | aDepartment of Forest Mycology and Pathology, Swedish University of Agricultural Sciences, P.O. Box 7026, Uppsala, Sweden;b‘Megera’, Acremead Road, Wheatley, Oxon, OX33 1NZ, England, UK;cVia Bellaria 8, 42100 Reggio Emilia, Italy;dFunikular, 20-1°A, 48510 Trapagaran – Vizcaya, Spain |