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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 [107-108] (1984).

Thallus: Areolate (primarily areolate); separate thallus parts thin or thick. Thallus Outline: Indistinct; soon disappearing. Upper Surface: Verrucose or verruculose, lemon (citrine), matt, smooth; epruinose; not sorediate.

Ascocarps: Strongly constricted at the base. Margin: Lecanorine, verruculose, smooth or rough, not flexuose, persistent, prominent, concolourous with the surrounding thallus; without a thin rim between disk and thalline margin. Disk: Plane, dark brown or grey-brown, pruina scarce or 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, (20)-25-25-30 µm wide, basally widened, 30-35-45 µm wide at the base; inspersed with oil droplets. Episamma: Soluble in KOH. Epithecium: Apical cells slightly swollen, hyaline, dark brown, or dark green, soluble in 10% KOH. Hymenium: Not inspers. Hypothecium: White; not inspers.

Ascospores: c. 8 per ascus, ellipsoid or broadly ellipsoid, 11.5-14-16-(16.5) µm long, (6)-6.5-7.5-8.5 µm wide; wall thin, not ornamented.

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

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