sourceTaxonName: Sphaerotheca pannosa (Wallr.) Lév.
sourceTaxonPath: Fungi | Ascomycota | Leotiomycetes | Erysiphales | Erysiphaceae | Sphaerotheca | Sphaerotheca pannosa
targetTaxonName: Rosa gymnocarpa
localityName: North slope at the west end of Thatuna Ridge, 0.5 mile west of US Highway 95