World distribution of this species is known only in Japan and Taiwan. This species grows on the bark of old-growth Cryptomeria japonica. Those old forests were largely destroyed and only exist limited preserved places.
It has been known only from Japan and Taiwan.
The populations are seen only old-growth forests of Cryptomeria japonica.
Population Trend: Stable
On bark of old-growth Cryptomeria japonica in a preserved forest.
Forestry, road development, and collecting would damege the populations.
Nakanishi, M. 1977. Notes on Japanese species of Phaeographina. Hikobia 8: 91-100.
Kashiwadani, H. and Moon, K. H. 2010. Noteworthy species of lichens found in Taiwan. Memoirs of the National Museum of Nature and Science (46): 65-68.