sourceTaxonName: Phytophthora megasperma
targetTaxonName: Pseudotsuga menziesii
localityName: United States
referenceCitation: Hamm, P.B., and Hansen, E.M.. 1981. Host specificity of %Phytophthora megasperma% from Douglas fir, soybean, and alfalfa. Phytopathology 71:65-68