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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: Elix, J.A. & Lumbsch, H.T., Mycotaxon 59: 309-317 [311] (1996).

Thallus: Not subdivided parts, areolate (primarily areolate); separate thallus parts thin. Thallus Outline: Indistinct; soon disappearing; white. Upper Surface: Verruculose, lemon (citrine), orange, or pale green, matt, smooth; epruinose; not sorediate.

Ascocarps: Soon sessile. Margin: Lecanorine, verruculose, smooth, not flexuose, persistent, indistinct to distinct, concolourous with the surrounding thallus; without a thin rim between disk and thalline margin. Disk: Plane, brownish yellow, epruinose. Parathecium (proper excipulum): White, not inspersed with crystals. Amphithecium (thalline excipulum): Present; crystals small, not dissolving in 10% KOH; photobiont abundant. Amphithecial Cortex: Present, indistinct, eucortical, (10)-15-20-25 µm wide, not basally widened, (10)-15-20-25-(30) µm wide at the base; inspersed with oil droplets. Episamma: Soluble in KOH. Epithecium: Apical cells slightly swollen, hyaline or brownish red, soluble in 10% KOH. Hymenium: Not inspers. Hypothecium: White; not inspers.

Ascospores: c. 8 per ascus, ellipsoid, (8)-8.5-10-11 µm long, (4)-4.5-5.5-6 µm wide; wall thin, not ornamented.

Secondary Metabolites: 2'-O-methylperlatolic acid, atranorin, and usnic acid, of the following substance class(es): orcinol depsides and dibenzofurans [and usnic acids].

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