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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. & Vitikainen, O., Mycotaxon 21: 281-298 [288-289] (1984); Brodo, I.M., Beih. Nova Hedwigia 79: 63-169 [118-120] (1984).

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

Ascocarps: Soon sessile, not constricted at the base. Margin: Lecanorine, verrucose or verruculose, smooth, not flexuose, persistent, indistinct to prominent, concolourous with the surrounding thallus; without a thin rim between disk and thalline margin. Disk: Plane, brown, dark brown, or grey-brown, 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, 20-30-40-(45) µm wide, basally widened, 35-60-80 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, broadly ellipsoid, 11.5-14.5-17.5 µm long, (7)-7.5-10-12 µm wide; wall 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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