sourceTaxonName: Rhizina undulata
targetTaxonName: Tsuga heterophylla
localityName: United States
referenceCitation: Morgan, P.D., Wallin, E.K., and Driver, C.H.. 1974. Occurrence of Rhizina root rot in an old-growth conifer stand in the Pacific Northwest. Pl. Dis. Reporter 58:492-494