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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: Lumbsch, H.T., Lichenologist 27: 161-167 [162-165] (1995); Lumbsch, H.T., Feige, G.B. & Elix, J.A., Bryologist 98: 561-577 [573] (1995).

Thallus: Rimose or areolate (primarily areolate); separate thallus parts thin or thick. Thallus Outline: Indistinct; black. Upper Surface: Verrucose or verruculose, lemon (citrine) or pale green, matt or glossy (shiny), smooth; epruinose; not sorediate.

Ascocarps: Soon sessile. Margin: Lecanorine, smooth, not flexuose, persistent, indistinct to 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, brown, or dark brown, epruinose. Parathecium (proper excipulum): White, not dissolving in 10% KOH. Amphithecium (thalline excipulum): Present; crystals dissolving in 10% KOH; photobiont abundant. Amphithecial Cortex: Present, indistinct, eucortical, 10-15-20-(25) µm wide, basally widened, 15-20-25-(30) µm wide at the base; inspersed with oil droplets. Episamma: Without episamma. Epithecium: Apical cells slightly swollen, olive or dark green, cell pigment reacting with 10% KOH. Hymenium: Not inspers. Hypothecium: White; not inspers.

Ascospores: c. 8 per ascus, ellipsoid or broadly ellipsoid, 10.5-12.5-14.5-(15) µm long, 6.5-8-9-(9.5) µm wide; wall thin, not ornamented.

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

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