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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: Lumbsch, H.T., J. Hattori Bot. Lab. 77: 1-175 [128-135] (1994); Brodo, I.M., Beih. Nova Hedwigia 79: 63-185 [150-152] (1984).

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

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

Ascocarps: Soon sessile. Margin: Lecanorine, verrucose or verruculose, smooth, not flexuose or slightly flexuose, persistent, indistinct to prominent, concolourous with the surrounding thallus; with a thin, inner rim visible between disk and thalline margin. Disk: Plane, brownish red, epruinose. Parathecium (proper excipulum): White, dissolving in 10% KOH. Amphithecium (thalline excipulum): Present; crystals small, not dissolving in 10% KOH; photobiont abundant. Amphithecial Cortex: Present, indistinct or distinctly developed, eucortical, 15-20-25 µm wide, not basally widened, 15-20-25 µm wide at the base; inspersed with oil droplets. Episamma: Without episamma. Epithecium: Apical cells slightly swollen or distinctly swollen, brownish red, insoluble in 10% KOH. Hymenium: Not inspers. Hypothecium: White; not inspers.

Ascospores: c. 8 per ascus, ellipsoid, (8)-8.5-10-13.5-(14) µm long, 5-6.2-7.5-(8) µm wide; wall thin, not ornamented.

Pycnidia: Cerebriform. Conidiophores: Vobis-type II. Conidia: Filiform; 15-16.5-18 µm long.

Secondary Metabolites: 2'-O-methylperlatolic acid and atranorin, of the following substance class(es): orcinol depsides and (anthra-)quinones.

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