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Data Set Maintenance: Data set standard item. Data set author(s): Lumbsch H. T. & Guderley R. (98-09-01). Data set to be published after submission; 98-09-01.

Nomenclature: Current taxonomic status: basionymous or accepted. Taxonomic rank: species. Lecanora. Lecanoraceae Körb. (1855).

Taxonomic Literature: Elix, J.A. & Lumbsch, H.T., Mycotaxon 59: 309-317 [315] (1996).

Thallus: Areolate (primarily areolate); separate thallus parts thin or thick. Thallus Outline: Indistinct; soon disappearing. Upper Surface: Verruculose, pale grey or pale brown, matt, rough; epruinose; not sorediate.

Ascocarps: Soon sessile. Margin: Lecanorine, crenulate, smooth, not flexuose or slightly flexuose, persistent, indistinct to prominent, concolourous with the surrounding thallus or brighter than the surrounding thallus; without a thin rim between disk and thalline margin. Disk: Plane, brownish red or brownish yellow, epruinose, pruina scarce. Parathecium (proper excipulum): White. Amphithecium (thalline excipulum): Present; crystals dissolving in 10% KOH; photobiont abundant. Amphithecial Cortex: Present, distinctly developed, eucortical, 15-20-25 µm wide, not basally widened, 15-20-25 µm wide at the base; inspersed with oil droplets. Episamma: Soluble in KOH. Epithecium: Apical cells slightly swollen, brownish red, soluble in 10% KOH. Hymenium: Not inspers. Hypothecium: White; not inspers.

Ascospores: c. 8 per ascus, ellipsoid or oblong, 14-15.5-17-(18) µm long, 5-6-7 µm wide; wall thin, not ornamented.

Secondary Metabolites: Atranorin, isonotatic acid, and usnic acid, of the following substance class(es): orcinol depsides, orcinol depsidones, and dibenzofurans [and usnic acids].

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