Lumbsch, H. T.; Kraichak, E.; Parnmen, S.; Plata, E. R.; Aptroot, A.; Cáceres, M. E. S.; ERTZ, D.; Feuerstein, S. C.; Mercado-Díaz, J. A.; STAIGER, B.; BROECK, D. V. D.; Lücking, R. New Higher Taxa in the Lichen Family Graphidaceae (lichenized Ascomycota: Ostropales) Based on a Three-Gene Skeleton Phylogeny. Phytotaxa 2014, 189, 39–51.