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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 or basionymous. Taxonomic rank: species. Lecanora. Lecanoraceae Körb. (1855).

Taxonomic Literature: Brodo, I.M., Beih. Nova Hedwigia 79: 63-169 [147-148] (1984).

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

Ascocarps: Soon sessile, not constricted or strongly constricted at the base. Margin: Lecanorine, verruculose, smooth, not flexuose or slightly flexuose, persistent, prominent, concolourous with the surrounding thallus; without a thin rim between disk and thalline margin. Disk: Plane to weakly convex, brown or brownish yellow, epruinose, pruina scarce. 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, (20)-25-30-35 µm wide, basally widened, 30-55-75-(80) 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, (10)-10.5-14-17 µm long, 7-9-11-(11.5) µm wide; wall thick, distinctly differentiated into primary and secondary wall, not ornamented.

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

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