sourceTaxonName: Fomes johnsonianus
targetTaxonName: Fraxinus sp.
localityName: United States
referenceCitation: Davidson, R.W., Lombard, F.F., and Campbell, W.A.. 1959. A white heart rot of %Fraxinus% caused by %Fomes johnsonianus% (Murr.) Lowe. Pl. Dis. Reporter 43:1148-1149