Primary references

• In Bungartz, Lücking & Aptroot, Nova Hedwigia 90(1-2): 7 (2010)

• Bungartz, F.; Lücking, R. and Aptroot, A. (2010) The family Graphidaceae (Ostropales, Lecanoromycetes) in the Galapagos Islands. Nova Hedwigia 90(1-2): 1–44. (DOI: 10.1127/0029-5035/2010/0090-0001)

Additional references

• Egea, J. M. and Torrente, P. (1997) Graphis saxorum (lichenized Ascomycotina, Graphidaceae) a new species from California and Baja California. The Bryologist 100(2): 207–209.   **[RLL List # 167 / Rec.# 4762] - (Recent Literature on Lichens)** (JSTOR) (Black-and-white photos of Graphis saxorum: habit: p. 208, fig. 1; vertical section of ascoma: p. 208, figs. 2 & 3; hymenium: p. 208, fig. 4; young asci: p. 208, fig. 5; mature asci: p. 208, fig. 6; young ascospores: p. 208, fig. 7; mature ascospores: p. 208, fig. 10.)

• Staiger, B. and Kalb, K. (2004) Graphis (pp. 118-122) In: Nash III, T.H., Ryan, B.D., Diederich, P., Gries, C. and Bungartz, F. (eds.), Lichen Flora of the Greater Sonoran Desert Region, Vol. 2. Lichens Unlimited, Arizona State University, Tempe, Arizona, 742 pages.   **[RLL List # 196 / Rec.# 25901] - (Recent Literature on Lichens)** (Description of Graphis saxorum: p. 121)

Links

• LIAS

• USDA Plants Database

• Index Fungorum

• MycoBank

Link to photo

• Pictures of tropical lichens - Carbacanthographis saxorum