sourceTaxonName: Opegrapha atra Pers.
sourceTaxonPath: Fungi | Ascomycota | Arthoniomycetes | Arthoniales | Opegraphaceae | Opegrapha | Opegrapha atra
targetTaxonName: Ulmus americana
localityName: Crooked Creek Forest Preserve: near Palos Park, along LaGrange Rd. .5mi N of 107th St.