↑Baloch, Elizabeth; Lücking, Robert; Lumbsch, H. Thorsten; Wedin, Mats (2010). "Major clades and phylogenetic relationships between lichenized and non-lichenized lineages in Ostropales (Ascomycota: Lecanoromycetes)". Taxon. 59 (5): 1483–1494.
↑Mangold, Armin; Martín, María P.; Lücking, Robert; Lumbsch, H. Thorsten (2008). "Molecular Phylogeny Suggests Synonymy of Thelotremataceae within Graphidaceae (Ascomycota: Ostropales)". Taxon. 2: 476–486.
↑Rivas Plata, Eimy; Lücking, Robert; Lumbsch, H. Thorsten (2012). "A new classification for the family Graphidaceae (Ascomycota: Lecanoromycetes: Ostropales)". Fungal Diversity. 52: 107–121. doi:10.1007/s13225-011-0135-8.
↑Lücking, Robert; Tehler, Anders; Bungartz, Frank; Rivas Plata, Eimy; Lumbsch, H. Thorsten (2013). "Journey From the West: Did Tropical Graphidaceae (Lichenized Ascomycota: Ostropalales) Evolve from a Saxicolous Ancestor Along the American Pacific Coast?". American Journal of Botany. 100 (5): 844–856. doi:10.3732/ajb.1200548.
↑Lücking, Robert; Tehler, Anders; Bungartz, Frank; Rivas Plata, Eimy; Lumbsch, H. Thorsten (2013). "Journey From the West: Did Tropical Graphidaceae (Lichenized Ascomycota: Ostropalales) Evolve from a Saxicolous Ancestor Along the American Pacific Coast?". American Journal of Botany. 100 (5): 844–856. doi:10.3732/ajb.1200548.
↑Lücking, Robert; Tehler, Anders; Bungartz, Frank; Rivas Plata, Eimy; Lumbsch, H. Thorsten (2013). "Journey From the West: Did Tropical Graphidaceae (Lichenized Ascomycota: Ostropalales) Evolve from a Saxicolous Ancestor Along the American Pacific Coast?". American Journal of Botany. 100 (5): 844–856. doi:10.3732/ajb.1200548.