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.
