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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: accepted. Taxonomic rank: species. Lecanora. Lecanoraceae Körb. (1855).

Taxonomic Literature: Brodo, I.M., Beih. Nova Hedwigia 79: 63-169 [152-154] (1984).

Thallus: Not subdivided parts, areolate (primarily areolate); separate thallus parts thin. Thallus Outline: Indistinct; soon disappearing; white. Upper Surface: Verrucose or verruculose, lemon (citrine) or pale grey, matt, smooth or rough; epruinose; not sorediate.

Ascocarps: Soon sessile, not constricted at the base. Margin: Lecanorine, verrucose or verruculose, smooth, not flexuose, persistent, indistinct to prominent, concolourous with the surrounding thallus; without a thin rim between disk and thalline margin. Disk: Plane, brownish red, brown, or dark brown, epruinose. Parathecium (proper excipulum): White, dissolving in 10% KOH. Amphithecium (thalline excipulum): Present; crystals small, not dissolving in 10% KOH; photobiont abundant. Amphithecial Cortex: Present, distinctly developed, eucortical, (10)-15-20-25 µm wide, basally widened, 25-45-65 µm wide at the base; inspersed with oil droplets. Episamma: Soluble in KOH. Epithecium: Apical cells slightly swollen, hyaline or brownish red, soluble in 10% KOH. Hymenium: Not inspers. Hypothecium: White; not inspers.

Ascospores: c. 8 per ascus, ellipsoid or broadly ellipsoid, (9)-9.5-13-16 µm long, (6.5)-7-9-10.5 µm wide; wall thin, not ornamented.

Pycnidia: Cerebriform. Conidiophores: Vobis-type II. Conidia: Filiform; 11-14-17-(19) µm long.

Secondary Metabolites: Atranorin, fumarprotocetraric acid, and roccellic acid, of the following substance class(es): orcinol depsides, orcinol depsidones, and (higher) aliphatic acids.

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