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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., Plümper, M., Guderley, R. & Feige, G.B., Symb. Bot. Upsal. 32: 131-162 [155-157] (1997).

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

Ascocarps: Soon sessile, not constricted at the base. 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, dissolving in 10% KOH. Amphithecium (thalline excipulum): Present; 90-115-135-(140) µm wide; crystals small, abundant, dissolving in 10% KOH; photobiont abundant. Amphithecial Cortex: Absent, indistinct, pseudocortical, 60-75-90 µm wide, not basally widened, 60-75-90 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, 10-12-14 µm long, 5.5-7.2-8 µm wide; wall thin, not ornamented.

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

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