sourceTaxonName: Melampsora abietis-canadensis
targetTaxonName: Populus tremuloides
localityName: United States
referenceCitation: Tiffany, L.H., and Knaphus, G.. 1984. The plant rusts (Uredinales) of the driftless area of northeastern Iowa.. Proc. Iowa Acad. Sci. 91:28-31