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

Taxonomic Literature: Lumbsch, H.T., J. Hattori Bot. Lab. 77: 1-175 [146-149] (1994).

Thallus: Rimose or areolate (primarily areolate); separate thallus parts thin. Thallus Outline: Arachnoid; indistinct; soon disappearing; black. Upper Surface: Verrucose or verruculose, lemon (citrine) or pale grey, matt, smooth, byssoid; epruinose; not sorediate.

Ascocarps: Soon sessile. Margin: Lecanorine, verrucose or verruculose, smooth, not flexuose, persistent, prominent or distinct, concolourous with the surrounding thallus; without a thin rim between disk and thalline margin or with a thin, inner rim visible between disk and thalline margin. Disk: Plane, brownish red or brown, epruinose. Parathecium (proper excipulum): White, dissolving in 10% KOH. Amphithecium (thalline excipulum): Present; crystals small, not dissolving in 10% KOH; photobiont abundant. Amphithecial Cortex: Present, indistinct, eucortical, (10)-15-20-20 µm wide, not basally widened, (10)-15-20-20 µm wide at the base; inspersed with oil droplets. Episamma: Without episamma. Epithecium: Apical cells not swollen or slightly swollen, brownish red, insoluble in 10% KOH. Hymenium: Not inspers. Hypothecium: White; not inspers.

Ascospores: c. 8 per ascus, ellipsoid, 11.5-14.5-17-(17.5) µm long, (6)-6.5-8-9 µm wide; wall thin, not ornamented.

Pycnidia: Cerebriform. Conidiophores: Vobis-type II. Conidia: Filiform; 14-16-17-(18) µm long.

Secondary Metabolites: Atranorin, chodatin, hopane-6a,22-diol, and thiophanic acid (= 2,4,5,7-tetrachloronorlichexanthone), of the following substance class(es): orcinol depsides, xanthones, and (tri-)terpenoids.

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