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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: Lumbsch, H.T., Feige, G.B. & Elix, J.A., Pl. Syst. Evol. 191: 227 236 [231-232] (1994).

Thallus: Not subdivided parts, areolate (primarily areolate); separate thallus parts thin. Thallus Outline: Indistinct; soon disappearing. Upper Surface: Verrucose or verruculose, lemon (citrine), orange, pale grey, or pale brown, matt, smooth; epruinose; not sorediate.

Ascocarps: Soon sessile, strongly 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, brown, or dark brown, epruinose. Parathecium (proper excipulum): White, dissolving in 10% KOH. Amphithecium (thalline excipulum): Present; crystals small, abundant, dissolving in 10% KOH; photobiont abundant. Amphithecial Cortex: Present, indistinct, eucortical, (35)-40-43-55 µm wide, basally widened, 55-90-120-(130) µm wide at the base; inspersed with oil droplets. Episamma: Without episamma. Epithecium: Apical cells slightly swollen or distinctly swollen, brownish red, insoluble in 10% KOH. Hymenium: Oil inspersed. Hypothecium: White; not inspers or oil inspersed.

Ascospores: c. 8 per ascus, ellipsoid, (12)-12.5-15-17.5-(18) µm long, (6)-6.5-8-9.5-(10) µm wide; wall thin, not ornamented.

Secondary Metabolites: 2,5,7-trichloro-3-O-methylnorlichexanthone, arthothelin (2,4,5-trichloronorlichexanthone), asemone (= 4,5,7-trichloronorlichexanthone), atranorin, isoarthothelin (= 2,5,7-trichloronorlichexanthone), and thiophanic acid (= 2,4,5,7-tetrachloronorlichexanthone), of the following substance class(es): xanthones, orcinol depsides, and orcinol depsidones.

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