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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: Lumbsch, H.T., J. Hattori Bot. Lab 77: 1-175 [108-110] (1994).

Thallus: Not subdivided parts, rimose; separate thallus parts thin. Thallus Outline: Arachnoid; indistinct; soon disappearing. Upper Surface: 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 distinct, concolourous with the surrounding thallus; without a thin rim between disk and thalline margin. Disk: Plane, brownish red, brown, or brownish yellow, epruinose. Parathecium (proper excipulum): White, dissolving in 10% KOH. Amphithecium (thalline excipulum): Present; crystals small, not dissolving in 10% KOH or dissolving in 10% KOH; photobiont abundant. Amphithecial Cortex: Present, indistinct, eucortical, 10-18-25 µm wide, not basally widened, 10-22-35 µm wide at the base; inspersed with oil droplets. Episamma: Soluble in KOH. Epithecium: Apical cells slightly swollen, brownish red, insoluble in 10% KOH. Hymenium: Not inspers. Hypothecium: White; not inspers.

Ascospores: c. 8 per ascus, ellipsoid, 10-12.5-15 µm long, 5-6.8-8.5-(9) µm wide; wall thin, not ornamented.

Pycnidia: Cerebriform. Conidiophores: Vobis-type II. Conidia: Filiform; 12-14.5-17 µm long.

Secondary Metabolites: Atranorin, isoarthothelin (= 2,5,7-trichloronorlichexanthone), pannarin, arthothelin (2,4,5-trichloronorlichexanthone), and thiophanic acid (= 2,4,5,7-tetrachloronorlichexanthone), of the following substance class(es): orcinol depsides, orcinol depsidones, and xanthones.

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