sourceTaxonName: Sphaerotheca humuli
targetTaxonName: Rubus loganobaccus
localityName: United States
referenceCitation: Vaughn, E.K., Johnson, F., Fitzpatrick, R.E., and Stace-Smith, R.. 1951. Diseases observed on bramble fruits in the Pacific Northwest. Pl. Dis. Reporter 35:34-37