A.  Henssen and Jørgensen, P. Magnus, ?New combinations and synonyms in the Lichinaceae?, The Lichenologist, vol. 22, pp. 137-147, 1990.

M.  Schultz and Büdel, B., ?Key to the genera of the Lichinaceae?, The Lichenologist, vol. 34, pp. 39-62, 2002.