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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: Brodo, I.M., Beih. Nova Hedwigia 79: 63-185 [142-144] (1884); Elix, J.A. & Lumbsch, H.T., Mycotaxon 59: 309-317 [313] (1996).

Thallus: Not subdivided parts; separate thallus parts thin. Thallus Outline: Indistinct; white. Upper Surface: Verruculose, lemon (citrine) or orange, matt, smooth or rough; epruinose; not sorediate.

Ascocarps: Soon sessile. Margin: Lecanorine, verrucose or crenulate, smooth, not flexuose, excluded, indistinct or prominent, concolourous with the surrounding thallus; with a thin, inner rim visible between disk and thalline margin. Disk: Plane to weakly convex, brownish yellow or pink (rosé), epruinose, pruina scarce. 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)-15-17.5-20 µm wide, basally widened, 15-25-35-(40) µm wide at the base; inspersed with oil droplets. Episamma: Soluble in KOH. Epithecium: Apical cells distinctly swollen, hyaline, soluble in 10% KOH. Hymenium: Not inspers. Hypothecium: White or brownish yellow; not inspers.

Ascospores: c. 8 per ascus, ellipsoid or broadly ellipsoid, 9-11-12.5-(13) µm long, 5-6.2-7.5-(8) µm wide; wall thin, not ornamented.

Secondary Metabolites: Arthothelin (2,4,5-trichloronorlichexanthone), atranorin, and thiophanic acid (= 2,4,5,7-tetrachloronorlichexanthone), of the following substance class(es): orcinol depsides and xanthones.

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