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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.M., Nova Hedwigia 12: 1-59 [38-44] (1966); Lumbsch, H.T., Plümper, M., Guderley, R. & Feige, G.B., Symb. bot. Upsal. 32, 1: 131-162 [139-142] (1997).

Thallus: Not subdivided parts, rimose; separate thallus parts thin. Thallus Outline: Indistinct; white. Upper Surface: Lemon (citrine), pale grey, or pale green, matt, smooth; epruinose; not sorediate.

Ascocarps: Soon sessile. Margin: Lecanorine, smooth, not flexuose or slightly flexuose, persistent, indistinct to 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 inspersed with crystals. Amphithecium (thalline excipulum): Present; (25)-35-45-55-(60) µm wide; crystals small, abundant, dissolving in 10% KOH; photobiont abundant. Amphithecial Cortex: Absent, indistinct, pseudocortical, (65)-70-100-120 µm wide, not basally widened, (80)-100-110-130 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, 8.5-11.5-13.5-(14) µm long, 5-7-8.5-(9) µm wide; wall thin, not ornamented.

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

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