sourceTaxonName: Umbilicaria americana Poelt & T. H. Nash
sourceTaxonPath: Fungi | Ascomycota | Lecanoromycetes | Umbilicariales | Umbilicariaceae | Umbilicaria | Umbilicaria americana
targetTaxonName: rock fall
localityName: Mt. McKay: E of road, midway between Gatehouse & Lookout