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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: Imshaug, H.A. & Brodo, I., Nova Hedwigia 12: 1-59 [14-32] (1966); Lumbsch, H.T., Plümper, M., Guderley, R. & Feige, G.B., Symb. Bot. Ups. 32: 131-162 [142-148] 1997.

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

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

Ascocarps: Soon sessile. Margin: Lecanorine, smooth, not flexuose or slightly flexuose, persistent, 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; 70-130-180 µm wide; crystals small, abundant, dissolving in 10% KOH; photobiont abundant. Amphithecial Cortex: Absent, indistinct, pseudocortical, 45-75-95-(100) µm wide, not basally widened, (50)-55-80-105 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, 9-12.5-15-(15.5) µm long, (5)-5.5-7.5-9.5 µm wide; wall thin, not ornamented.

Secondary Metabolites: Atranorin, norstictic acid, protocetraric acid, salazinic acid, and virensic acid, of the following substance class(es): orcinol depsides and orcinol depsidones.

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