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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: Elix, J.A., Mycotaxon 59: 309-317 [313] (1996); Miyawaki, H., J. Hattori Bot. Lab. 64: 271-326 [304-305] (1988).

Thallus: Rimose, bullate; separate thallus parts thin or thick. Thallus Outline: Indistinct; black. Upper Surface: Brownish yellow, grey, or olive, matt, smooth; epruinose; not sorediate.

Ascocarps: Not emerging, soon sessile, not constricted at the base. Margin: Lecanorine, verrucose or verruculose, smooth, not flexuose or slightly flexuose, persistent, indistinct or prominent, concolourous with the surrounding thallus; without a thin rim between disk and thalline margin. Disk: Plane or excavate, brownish red or dark brown, epruinose. Parathecium (proper excipulum): Lemon (citrine), not inspersed with crystals. Amphithecium (thalline excipulum): Present; crystals small, not dissolving in 10% KOH; photobiont abundant. Amphithecial Cortex: Present, indistinct, eucortical, 15-20-20 µm wide, not basally widened, 15-20-20-(25) µm wide at the base; inspersed with oil droplets. Episamma: Without episamma. Epithecium: Apical cells slightly swollen, dark brown, insoluble in 10% KOH. Hymenium: Not inspers. Hypothecium: Orange; not inspers.

Ascospores: c. 8 per ascus, ellipsoid, 8.5-12-14-(14.5) µm long, (4.5)-5-7-8 µm wide; wall thin, not ornamented.

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

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