sourceTaxonName: Erysiphe graminis f. sp. tritici
targetTaxonName: Triticum aestivum
localityName: United States
referenceCitation: Royse, D.J., Gregory, L.V., Ayers, J.E., and Cole Jr., H.. 1980. Powdery mildew of wheat: Relation of yield components to disease severity. Canad. J. Pl. Pathol. 2:131-136