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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: Lumbsch, H.T., Feige, G.B. & Elix, J.A., Bryologist 98: 561-577 [576] (1995).

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

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

Ascospores: c. 8 per ascus, broadly ellipsoid, (8)-8.5-10.5-12.5-(13) µm long, 6-7-8 µm wide; wall thick, distinctly differentiated into primary and secondary wall, not ornamented.

Secondary Metabolites: Arthothelin (2,4,5-trichloronorlichexanthone), usnic acid, atranorin, and thiophanic acid (= 2,4,5,7-tetrachloronorlichexanthone), of the following substance class(es): xanthones, dibenzofurans [and usnic acids], orcinol depsides, and (higher) aliphatic acids.

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