sourceTaxonName: Pseudoperonospora humuli
targetTaxonName: Humulus lupulus
localityName: United States
referenceCitation: Chee, H.Y., Nelson, M.E., Grove, G.G., Eastwell, K.C., Kenny, S.T., and Klein, R.E.. 2006. Population biology of %Pseudoperonospora humuli% in Oregon and Washington. Pl. Dis. 90:1283-1286