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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: Brodo, I.M., Beih. Nova Hedwigia 79: 63-169 [124-125] (1984); Lumbsch, H.T., Bryologist 95: 430-432 (1992).

Thallus: Areolate (primarily areolate); separate thallus parts thin or thick. Thallus Outline: Arachnoid or fimbriate; indistinct; soon disappearing; white. Upper Surface: Verrucose or verruculose, lemon (citrine) or pale grey, matt or glossy (shiny), smooth; epruinose; not sorediate.

Ascocarps: Soon sessile, not constricted or strongly constricted at the base. Margin: Lecanorine, verrucose or verruculose, smooth, not flexuose, persistent, prominent or distinct, concolourous with the surrounding thallus; without a thin rim between disk and thalline margin. Disk: Plane, dark brown, epruinose. Parathecium (proper excipulum): White, not inspersed with crystals. Amphithecium (thalline excipulum): Present; crystals dissolving in 10% KOH; photobiont abundant. Amphithecial Cortex: Present, distinctly developed, eucortical, 20-25-30 µm wide, basally widened, (20)-30-45-50-(60) µm wide at the base; inspersed with oil droplets. Episamma: Without episamma. Epithecium: Apical cells slightly swollen, dark brown, olive, or dark green, insoluble in 10% KOH. Hymenium: Not inspers. Hypothecium: White; not inspers.

Ascospores: c. 8 per ascus, ellipsoid or broadly ellipsoid, (8)-8.5-13-15 µm long, 6-7-8.5-(9) µm wide; wall thin, not ornamented.

Secondary Metabolites: Atranorin and gangaleoidin, of the following substance class(es): orcinol depsides and orcinol depsidones.

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