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

Taxonomic Literature: Leuckert, C. & Poelt, J., Nova Hedwigia 49: 121-167 [149-151] (1989).

Biogeography: Continent: Africa, Asia-Temperate, Australasia, Europe, and Northern America.

Thallus: Not subdivided parts, rimose or areolate (primarily areolate); separate thallus parts thin or thick. Thallus Outline: Indistinct; soon disappearing; white. Upper Surface: Verrucose or verruculose, pale grey or pale green, matt, smooth; epruinose; not sorediate.

Ascocarps: Soon sessile. Margin: Lecanorine, verrucose or verruculose, smooth, not flexuose, persistent, indistinct to prominent, concolourous with the surrounding thallus or brighter than the surrounding thallus; without a thin rim between disk and thalline margin. Disk: Plane, brown or grey-brown, pruina abundant. Parathecium (proper excipulum): White, not inspersed with crystals. Amphithecium (thalline excipulum): Present; crystals dissolving in 10% KOH; photobiont abundant. Amphithecial Cortex: Absent or present, indistinct, pseudocortical, (15)-20-25-30 µm wide, not basally widened, 20-25-30-(35) µm wide at the base. 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, 9.5-11.5-13.5-(14) µm long, (5)-5.5-7-8 µm wide; wall thin, not ornamented.

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

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