sourceTaxonName: Umbilicaria crustulosa (Ach.) Lamy
sourceTaxonPath: Fungi | Ascomycota | Lecanoromycetes | Umbilicariales | Umbilicariaceae | Umbilicaria | Umbilicaria crustulosa
targetTaxonName: siliceous rocks
localityName: Walliser Alpen, S of Matterhorn, Breuil, NW of Plan Maisson, Plan Torette