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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 or basionymous. Taxonomic rank: species. Lecanora. Lecanoraceae Körb. (1855).

Taxonomic Literature: Miyawaki, H., J. Hattori Bot. Lab. 64: 271-326 [301-303] (1996); Elix, J.A. & Lumbsch, H.T., Mycotaxon 59: 309-317 [312] (1996).

Thallus: Rimose; separate thallus parts thin or thick. Thallus Outline: Indistinct; black. Upper Surface: Lemon (citrine) or pale grey, matt, smooth, pulverulaceous; epruinose; not sorediate.

Ascocarps: Soon sessile, not constricted or strongly constricted at the base. Margin: Lecanorine, verrucose or verruculose, smooth or rough, slightly flexuose, persistent, indistinct to distinct, concolourous with the surrounding thallus; without a thin rim between disk and thalline margin. Disk: Plane to weakly convex, brownish red, 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, (12)-15-23-30 µm wide, not basally widened, (12)-15-23-30 µm wide at the base. Episamma: Soluble in KOH. Epithecium: Apical cells slightly swollen, brownish red, insoluble in 10% KOH. Hymenium: Not inspers. Hypothecium: White; not inspers or oil inspersed.

Ascospores: c. 8 per ascus, ellipsoid, 9-10.5-12 µm long, 4.5-5-5.5-(6) µm wide; wall thin, not ornamented.

Pycnidia: Ovoid. Conidiophores: Vobis-type II. Conidia: Filiform; (13)-13.5-15-16.5-(17) µm long.

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

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