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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., Byrologist 98: 561-577 [565-566] (1995).

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

Ascocarps: Soon sessile. Margin: Lecanorine, verrucose or verruculose, 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 or brown, epruinose. Parathecium (proper excipulum): White, dissolving in 10% KOH. Amphithecium (thalline excipulum): Present; crystals small, not dissolving in 10% KOH; photobiont abundant. Amphithecial Cortex: Present, distinctly developed, 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, ellipsoid or broadly ellipsoid, (10)-10.5-14-16.5-(17) µm long, (6)-6.5-7-8.5 µm wide; wall thin, not ornamented.

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

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