First Report of Heterodermia squamulosa (Lichenized Ascomycota, Physciaceae) in South Korea

摘要

Heterodermia squamulosa (Degel.) W.L. Culb. was found in the mountain of Gariwang, Gangwon province, in 2008. It is characterized by numerous squamules along the margin, decorticate and white lower surface, rhizines along the margin, black and densely squarrosely branched, usually forming a dense mat under the thallus. Apothecia margins densely squamulose, ascospores 12 similar to 15 X 25 similar to 30 mu m. Atranorin and zeorin contained in thallus. This is the first record of this species in South Korea.