Galapagos Species Database
The Galapagos Species Database shares the information about the species from our Natural History Collections.
Graphis phaeospora
liquen de escritura, Script lichen
Thallus thin, continuous to rimose, lead gray to whitish gray; surface smooth, not pruinose; Apothecia prominent to sessile, lirellate; lirellae broad, elongate, moderately to sparsely branched; labia thick, broad, blackened, soon distinctly striate, almost entirely covered by a smooth, gray thallus layer that may in parts erode with age; disc concealed, a thin slit; exciple completely carbonized, carbonization extending below the hymenium; hymenium hyaline, inspers, I–; ascospores hyaline, I+ bluish violet, 1-2(-3) per ascus, narrowly oblong to fusiform, 85-145 x 24-36 µm, muriform, 23-30 vs. 4-6 celled. Chemistry: No substances found; all spot tests negative.
The species is superficially similar to G. vestitoides and G. acharii but distinguished by the inspers hymenium.
Domain
Eukaryota
Kingdom
Fungi
Phylum
Ascomycota
Class
Lecanoromycetes
Order
Ostropales
Family
Graphidaceae
Genus
Graphis
Species
phaeospora
Taxon category: Accepted
Origin: Native
Map of specimen collection localities or observation records for this species in our collections database.
Distribution: A subtropical species; common throughout the humid zone, mostly on introduced trees like Cinchona pubescens, Psidium guajava, and Cedrela odorata, but also on Psidium galapageium, Chiococca alba, and even on rock.
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This page should be cited as follows:
"Galapagos Species Database, Graphis phaeospora", dataZone. Charles Darwin Foundation, https://datazone.darwinfoundation.org/en/checklist/?species=3970. Accessed 1 November 2026.