Leiorreuma exaltatum and Trapelia coarctata, New to Korean Lichen Flora

The present account briefly describes two crustose lichen species new to South Korea. Detailed taxonomic descriptions of Leiorreuma exaltatum and Trapelia coarctata, supported by distribution, ecology and illustrations, are provided. Both species were collected from warm-temperate, humid forests of Jeju Island.

Two New Records of the Lichen Genus Placynthiella Elenkin in South Korea

This study describes two new records of the lichen genus Placynthiella (P. hyporhoda and P. icmalea) from South Korea. A brief taxonomic description and comments are provided for the new records. An artificial key is also provided for known species of this genus in South Korea.