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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: Miyawaki, H., J. Hattori Bot. Lab. 64: 271-326 [318-320] (1988).

Thallus: Not subdivided parts, rimose; separate thallus parts thin. Thallus Outline: Indistinct; black. Upper Surface: Pale grey or pale brown, matt, smooth or rough; epruinose; not sorediate.

Ascocarps: Soon sessile, not constricted or strongly constricted at the base. 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 or excavate, brownish red, epruinose. Parathecium (proper excipulum): White, not inspersed with crystals. Amphithecium (thalline excipulum): Present; crystals small, abundant, dissolving in 10% KOH; photobiont abundant. Amphithecial Cortex: Present, indistinct, eucortical, 20-27-35 µm wide, basally widened, 30-47-65 µm wide at the base; inspersed with oil droplets. Episamma: Soluble in KOH. Epithecium: Apical cells not swollen, hyaline or brownish red, soluble in 10% KOH. Hymenium: Not inspers. Hypothecium: White; not inspers.

Ascospores: c. 8 per ascus, ellipsoid or broadly ellipsoid, 10-13.3-16.5-(17) µm long, 5-7-8.5-(9) µm wide; wall thin, not ornamented.

Pycnidia: Ovoid. Conidiophores: Vobis-type II. Conidia: Filiform; 18-21.5-25 µm long.

Secondary Metabolites: Atranorin, hopane-6a,22-diol, and norstictic acid, of the following substance class(es): orcinol depsides and (tri-)terpenoids.

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