sourceTaxonName: Erysiphe polygoni
targetTaxonName: Beta vulgaris
localityName: United States
referenceCitation: Bradley, C.A., Burlakoti, P., Nelson, R.S., and Khan, M.F.R.. 2007. First report of the perfect stage of powdery mildew of sugar beet in North Dakota caused by %Erysiphe polygoni%. Pl. Dis. 91:470