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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: Brodo, I.M., Beih. Nova Hedwigia 79: 63-169 [103-106] (1984); Poelt, J., Ber. Bayer. Bot. Ges. 29: 58-69 (1952).

Thallus: Not subdivided parts, areolate (primarily areolate); separate thallus parts thin or thick. Thallus Outline: Indistinct; soon disappearing. Upper Surface: Verruculose, lemon (citrine) or pale grey, matt, smooth or rough; epruinose; not sorediate or sorediate; soralia white or yellow, isolated, not confluent with other soralia, soredia coarse.

Ascocarps: 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, 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, distinctly developed, eucortical, (25)-30-30-40-(45) µm wide, basally widened, (30)-40-70-90-(100) 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 or oil inspersed. Hypothecium: White; not inspers.

Ascospores: c. 8 per ascus, ellipsoid, 12-16.5-19.5-(20) µm long, 6.5-8.5-10.5-(11) µm wide; wall thick, distinctly differentiated into primary and secondary wall, not ornamented.

Pycnidia: Cerebriform or ovoid. Conidiophores: Vobis-type II or Vobis-type III. Conidia: Filiform.

Secondary Metabolites: Atranorin, of the following substance class(es): orcinol depsides, (tri-)terpenoids, and (higher) aliphatic acids.

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