Basionym Name:Phaeographina endofusca M. Nakan., Hikobia 8(1-2): 92 (1977)
Homotypic synonyms:Hemithecium endofuscum (M. Nakan.) M. Nakan. & Kashiw., [as 'endofusca'], in Nakanishi, Kashiwadani & Moon, Bull. natn. Sci. Mus., Tokyo, B 29(2): 88 (2003)