sourceTaxonName: Pythium tracheiphilum
targetTaxonName: Lactuca sativa
localityName: United States
referenceCitation: Tortolero, O., and Sequeira, L.. 1978. A vascular wilt and leaf blight disease of lettuce in Wisconsin caused by a new strain of %Pythium tracheiphilum%. Pl. Dis. Reporter 62:616-620