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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: Miyawaki, H., J. Hattori Bot. Lab. 64: 271-326 [317-320] (1988).

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

Ascocarps: Soon sessile. Margin: Lecanorine, smooth, not flexuose, persistent, indistinct to distinct, concolourous with the surrounding thallus or brighter than 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, abundant, dissolving in 10% KOH; photobiont abundant. Amphithecial Cortex: Present, indistinct, eucortical, 20-27-35 µm wide, not basally widened, 20-27-35 µm wide at the base; inspersed with oil droplets. Episamma: Without episamma. Epithecium: Apical cells not swollen or slightly swollen, brownish red or dark brown, insoluble in 10% KOH. Hymenium: Not inspers. Hypothecium: White; not inspers.

Ascospores: c. 8 per ascus, ellipsoid or broadly ellipsoid, 12-13.5-15 µm long, 6-7.8-9.5-(10) µm wide; wall thin, not ornamented.

Secondary Metabolites: Atranorin, hopane-6a,22-diol, 2-O-methylsulphurellin, and protoconstipatic acid, of the following substance class(es): orcinol depsides and (tri-)terpenoids.

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