New records of pyrenocarpous lichens from Jeju Island, South Korea

Based on the morphological study of specimens collected from Jeju Island, ten pyrenocarpous lichen-forming fungi are reported for the first time from South Korea: Agonimia globulifera, A. repleta, Anisomeridium japonicum, A. robustum, Anthracothecium macrosporum, Psoroglaena japonica, Strigula aquatica, Thelidium japonicum, T. pluvium, and T. radiatum. Technical morphological descriptions and photographs of the Korean specimens are presented with the ecology and distribution for each species.