TYPE. INDONESIA. Java, Junghuhn 111 (L, holotype, G G-G-188751/1, isotype)
Description.Life form: lichenized fungus.
Thallus crustose, gray, off-white, pale olive green or greenish gray, smooth, corticate, dull or parly glossy; vegetative diaspores absent. Photobiont trentepohlioid alga. Ascomata lirellae, erumpent, with a lateral thalline margin, elongate, up to 4 mm long, straight, curved or sinuous, simple or irregulary branched; labia convergent, striate, not pruinose, black, sometimes whitish because of thalline cover; disk concealed, not visible from above, (tenella-morph). Exciple apically to peripherally carbonized (laterally dark brown, not carbonized); hymenium clear. Asci 8-spored; ascospores hyaline, transversely 3–9-septate, 30-50 × 6–8 μm.
Chemistry. K+ yellow; stictic acid (major), α-acetylconstictic acid (major to trace), constictic acid (major to minor), hypostictic acid (minor to trace), peristictic acid (major to minor), ± cryptostictic acid (minor).
Substrate and Habitat. Corticolous and hardwood trees and palms.
Distribution. Pantropical; in North Carolina found in the Coastal Plain ecoregion.
Literature
Kalb, J., R. Lücking & K. Kalb. (2018) The lichen genera Allographa and Graphis (Ascomycota: Ostropales, Graphidaceae) in Thailand – eleven new species, forty-seven new records and a key to all one hundred and fifteen species so far recorded for the country. Phytotaxa377(1): 1-83.
Lücking, R., A.W. Archer & A. Aptroot (2009) A world-wide key to the genus Graphis (Ostropales: Graphidaceae). Lichenologist 41(4): 363-452.
Müller, J. (1882) Lichenologische Beiträge. XV. Flora (Regensburg) 65(21): 326-337 (original description).