sourceTaxonName: Phytophthora citricola
targetTaxonName: Juglans nigra
localityName: North America
referenceCitation: Beckerman, J., and Ruhl, G.. 2007. %Phytophthora citricola% causes a stem canker in black walnut (%Juglans nigra%). Pl. Health Progr. Online:doi:10.1094/PHP-2007-0420-01-BR