sourceTaxonName: Physcia caesia (Hoffm.) Hampe ex Fürnr.
sourceTaxonPath: Fungi | Ascomycota | Lecanoromycetes | Caliciales | Physciaceae | Physcia | Physcia caesia
targetTaxonName: limestone
localityName: Grand Canyon National Park: top of the Grandview Trail
referenceCitation: 53af3c8a-82f8-4e2f-a35f-d77ef8e3446d