sourceTaxonName: Phyllactinia guttata
targetTaxonName: Corylus avellana
localityName: United States
referenceCitation: Hartney, S., Glawe, D.A., Dugan, F.M., and Ammirati, J.F.. 2005. First report of powdery mildew on %Corylus avellana% caused by %Phyllactinia guttata% in Washington state. Pl. Health Progr. Online:doi:10.1094/PHP-2005-1121-01-BR