Jørgensen, Per M. (2003). "Notes on African Pannariaceae (lichenized ascomycetes)". The Lichenologist. 35 (1): 11–20. doi:10.1006/lich.2002.0424. S2CID85601507.
Jørgensen, Per M. (2003). "Notes on African Pannariaceae (lichenized ascomycetes)". The Lichenologist. 35 (1): 11–20. doi:10.1006/lich.2002.0424. S2CID85601507.