Lichen genus Sarcographa Fee, a stromatoid Graphidacean taxa, was newly found in Geomun Island, Jeonnam province. The lichen grew on the bark of Camellia japonica and Eurya emarginata along the coastal line of the island. It was identified as Sarcographa tricosa (Ach.) Müll. Arg. for the first time in Korea.
Keywords: Coastal region; Graphidaceace; Korea; New record; Sarcographa tricosa.