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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: Miyawaki, H., J. Hattori Bot. Lab. 64: 271-326 [309-311] (1988).

Thallus: Not subdivided parts, rimose or areolate (primarily areolate); separate thallus parts thin or thick. Thallus Outline: Indistinct; black. Upper Surface: Verruculose, pale grey or pale brown, matt, smooth or rough; epruinose; not sorediate.

Ascocarps: Soon sessile, not constricted at the base. Margin: Lecanorine, verruculose, smooth, not flexuose, persistent, indistinct to prominent, concolourous with the surrounding thallus; without a thin rim between disk and thalline margin. Disk: Plane, dark brown, 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, distinctly developed, eucortical, 10-20-20-(25) µm wide, basally widened, (25)-30-50-60 µm wide at the base; inspersed with oil droplets. Episamma: Soluble in KOH. Epithecium: Apical cells slightly swollen, hyaline or brownish red, soluble in 10% KOH. Hymenium: Not inspers. Hypothecium: White; not inspers.

Ascospores: c. 8 per ascus, ellipsoid or broadly ellipsoid, (9.5)-10-13.5-15 µm long, 5.5-7.5-9-(9.5) µm wide; wall thin, not ornamented.

Secondary Metabolites: Atranorin and fumarprotocetraric acid, of the following substance class(es): orcinol depsides and orcinol depsidones.

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