sourceTaxonName: Caloplaca texana Wetmore & Kärnefelt
sourceTaxonPath: Fungi | Ascomycota | Lecanoromycetes | Teloschistales | Teloschistaceae | Caloplaca | Caloplaca texana
targetTaxonName: volcanic rock
localityName: East ridge crest of The Guadalupe Mountains, along secondary road between Mision Guadalupe and San Juan de La Pila.