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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., Guderley, R. & Elix, J.A., Bryologist 99: 269-291 [278] (1996).

Thallus: Rimose or areolate (primarily areolate); separate thallus parts thin. Thallus Outline: Indistinct; black. Upper Surface: Verruculose, pale grey, matt, smooth; epruinose; not sorediate.

Ascocarps: Soon sessile. Margin: Lecanorine, verruculose, smooth, not flexuose, persistent, indistinct to prominent, 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 dissolving in 10% KOH; photobiont abundant. Amphithecial Cortex: Present, indistinct, eucortical, 10-12.5-15-(17) µm wide, not basally widened, 10-12.5-15-(17) µm wide at the base; inspersed with oil droplets. Episamma: Without episamma. Epithecium: Apical cells not swollen or slightly swollen, dark brown or dark green, cell pigment reacting with 10% KOH. Hymenium: Not inspers. Hypothecium: Orange or brownish red; not inspers.

Ascospores: c. 8 per ascus, ellipsoid, (11)-11.5-13-15-(16) µm long, (6)-6.5-7-8-(10) µm wide; wall thin, not ornamented.

Pycnidia: Cerebriform. Conidiophores: Vobis-type II. Conidia: Filiform; (13)-14-15.3-17 µm long.

Secondary Metabolites: 2'-O-methylperlatolic acid and atranorin, of the following substance class(es): orcinol depsides.

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