Graphis koreana (Graphidaceae, Ostropales), a new species from South Korea.

A saxicolous Graphis discovered in the southern part of South Korea is described as new to science. The new species, Graphis koreana sp. nov., is characterized by a green to brownish green, thick, rimose thallus, completely carbonized proper exciple, trans-septate to submuriform ascospores and the presence of norstictic acid. [ABSTRACT FROM PUBLISHER]