Basionym Name:Bilimbia subtrachona Arnold, Flora, Regensburg 53: 122, 230, tab. III, fig. 4-6 (1870)
Homotypic synonyms:Bacidia subtrachona (Arnold) Lettau, Hedwigia 52(3-4): 133 (1912)Bacidia subtrachona f. subtrachona (Arnold) Lettau, Hedwigia 52(3-4): 133 (1912)