sourceTaxonName: Peronospora parasitica
targetTaxonName: Brassica oleracea var. botrytis
localityName: United States
referenceCitation: Kontaxis, D.G., and Guerrero, P.. 1978. Downy mildew epiphytotic on broccoli - a new disease in Imperial Valley, California. Pl. Dis. Reporter 62:170-171