sourceTaxonName: Heterobasidion annosum
targetTaxonName: Pinus ponderosa
localityName: United States
referenceCitation: Worrall, J.J., Harrington, T.C., Blodgett, J.T., Conklin, D.A., and Fairweather, M.L.. 2010. %Heterobasidion annosum% and %H. parviporum% in the southern rocky mountains and adjoining states. Pl. Dis. 94:115-118