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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 [134-136] (1984).

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

Ascocarps: Soon sessile. Margin: Lecanorine, verrucose or verruculose, smooth, not flexuose or slightly flexuose, persistent or excluded, indistinct to prominent, concolourous with the surrounding thallus; without a thin rim between disk and thalline margin. Disk: Plane, brownish red or brownish yellow, epruinose. Parathecium (proper excipulum): White, not inspersed with crystals. Amphithecium (thalline excipulum): Present; crystals small, not dissolving in 10% KOH; photobiont abundant. Amphithecial Cortex: Present, distinctly developed, eucortical, 15-20-25-(30) µm wide, basally widened, 25-40-50 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, broadly ellipsoid, 9-12-14-(14.5) µm long, (5)-5.5-7-8.5 µm wide; wall thin or thick, distinctly differentiated into primary and secondary wall, not ornamented.

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

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