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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: Imshaug, H.A. & Brodo, I., Nova Hedwigia 12: 1-59 [32-34] (1966); Lumbsch, H.T., Plümper, M., Guderley, R. & Feige, G.B., Symb. Bot. Ups. 32: 131-162 [148-151] (1997).

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

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

Ascocarps: Soon sessile. Margin: Lecanorine, smooth, not flexuose, persistent, indistinct or prominent, concolourous with the surrounding thallus; without a thin rim between disk and thalline margin. Disk: Plane to weakly convex, brownish yellow or pink (rosé), pruina abundant. Parathecium (proper excipulum): White, not dissolving in 10% KOH. Amphithecium (thalline excipulum): Present; 35-60-80 µm wide; crystals small, abundant, dissolving in 10% KOH; photobiont abundant. Amphithecial Cortex: Present, indistinct or distinctly developed, eucortical, 30-55-75-(80) µm wide, not basally widened, 30-55-75-(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, ellipsoid or broadly ellipsoid, 9-12-14-(14.5) µm long, (5.5)-6-7.5-8.5 µm wide; wall thin, not ornamented.

Secondary Metabolites: Atranorin and sordidone, of the following substance class(es): orcinol depsides and chromones.

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