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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 [307-309] (1988); Elix, J.A. & Lumbsch, H.T., Mycotaxon 59: 309-317 [316] (1996).

Thallus: Not subdivided parts, granular or rimose; separate thallus parts thin or thick. Thallus Outline: Indistinct; soon disappearing. Upper Surface: Lemon (citrine), pale grey, or grey, matt, pulverulaceous; epruinose; not sorediate.

Ascocarps: Not constricted or strongly constricted at the base. Margin: Lecanorine, granulose, smooth, slightly flexuose, persistent, indistinct or prominent, concolourous with the surrounding thallus; without a thin rim between disk and thalline margin. Disk: Plane to weakly convex, brownish red or 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, 15-17.5-20 µm wide, not basally widened, 15-20-25 µm wide at the base; inspersed with oil droplets. Episamma: Soluble in KOH. Epithecium: Apical cells not swollen or slightly swollen, brownish red or dark brown, soluble in 10% KOH. Hymenium: Not inspers. Hypothecium: White; not inspers.

Ascospores: c. 8 per ascus, ellipsoid or broadly ellipsoid, 9-11-12.5-(13) µm long, 5.5-6.3-7 µm wide; wall thin, not ornamented.

Pycnidia: Ovoid. Conidiophores: Vobis-type II. Conidia: Filiform; 15-16.5-18 µm long.

Secondary Metabolites: Atranorin and placodiolic acid, of the following substance class(es): orcinol depsides and dibenzofurans [and usnic acids].

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