sourceTaxonName: Rhizosphaera kalkhoffii
targetTaxonName: Picea pungens
localityName: United States
referenceCitation: Nicholls, T.H., Prey, A.J., and Skilling, D.D.. 1974. %Rhizosphaera kalkhoffii% damages blue spruce Christmas tree plantations. Pl. Dis. Reporter 58:1094-1096