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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: Leuckert, C. & Poelt J., Nova Hedwigia 49: 121-167 [157-158] (1989).

Thallus: Rimose, granular, or areolate (primarily areolate), bullate; separate thallus parts thick. Thallus Outline: Lobed or arachnoid; white. Upper Surface: Verrucose, lemon (citrine), pale grey, or pale brown, matt or glossy (shiny), smooth; epruinose; sorediate; soralia.5-1-1.5 mm in diam., white or grey-blue, isolated, not confluent with other soralia or confluent, but not fusing, soredia coarse, 40-40-40 µm in diam..

Ascocarps: Strongly constricted at the base. Margin: Lecanorine, smooth, not flexuose, excluded, indistinct to distinct, concolourous with the surrounding thallus; without a thin rim between disk and thalline margin. Disk: Weakly convex, brown, pruina abundant. 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, 15-20-25 µm wide, basally widened, 20-35-50-(55) µm wide at the base; inspersed with oil droplets. Episamma: Soluble in KOH. Epithecium: Apical cells slightly swollen, hyaline or dark brown, soluble in 10% KOH. Hymenium: Not inspers. Hypothecium: White; not inspers.

Ascospores: c. 8 per ascus, ellipsoid, (10)-10.5-12-13.5-(14) µm long, 6-6.8-7.5 µm wide; wall thin, not ornamented.

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

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