Lecanora pulicaris
(Pers.) Ach.
IMI 400362. Place of collection: Germany; Bayern; Zwiessel, 10 km to north; Grosse Arber ski-lift, near. Date of collection: 25 March 1990. Associated organism: Acer pseudoplatanus (trunk, bark). Collector: Hawksworth, D.L.. Identifier: David, J.C..