sourceTaxonName: Plasmopara halstedii
targetTaxonName: Helianthus annuus
localityName: United States
referenceCitation: Gulya, T., Kandel, H., McMullen, M., Knodel, J., Berglund, D., Mathew, F., Lamey, H.A., Nowatzki, J., and Markell, S.. 2013. Prevalence and incidence of sunflower downy mildew in North Dakota between 2001 and 2011. Pl. Health Progr. Online:doi:10.1094/PHP-2013-0522-01-RS