Specific collection sites (black symbols) on the Baekdudaegan Mountains (thick gray line on the entire Korea map), for the new species Lecanora baekdudaeganensis (♦), and previously discovered species L. hafelliana (♥), L. loekoesii (♣), and L. pseudosambuci (♠). All Lecanora species reported as new species were detected in the Baekdudaegan Mountains or other mountainous areas just close to the mountains in Korea.