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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., Bryologist 98: 561-577 [566-567] (1995).

Thallus: Not subdivided parts, rimose; separate thallus parts thin. Thallus Outline: Indistinct; soon disappearing; white. Upper Surface: Lemon (citrine) or pale green, matt, rough or smooth; epruinose; sorediate; soralia (.4)-.5-1.5-2.5 mm in diam., yellow or grey, spreading, soredia coarse, 35-45-50-(52) µm in diam..

Ascocarps: Soon sessile. Margin: Lecanorine, verruculose, smooth or rough, not flexuose, persistent, indistinct to prominent, concolourous with the surrounding thallus; without a thin rim between disk and thalline margin; sorediate. Disk: Plane, brownish red or brownish yellow, epruinose. Parathecium (proper excipulum): White, dissolving in 10% KOH. Amphithecium (thalline excipulum): Present; crystals small, not dissolving in 10% KOH; photobiont abundant. Amphithecial Cortex: Absent or present, indistinct, eucortical, 10-20-25 µm wide, not basally widened, 10-20-25-(30) µm wide at the base; inspersed with oil droplets. Episamma: Soluble in KOH. Epithecium: Apical cells slightly swollen, hyaline or dark brown, soluble in 10% KOH. Hymenium: Not inspers. Hypothecium: White; not inspers.

Ascospores: c. 8 per ascus, ellipsoid or broadly ellipsoid, (10.5)-11-13.5-15.5 µm long, (8)-8.5-9.5-10.5-(11) µm wide; wall thin, not ornamented.

Secondary Metabolites: Arthothelin (2,4,5-trichloronorlichexanthone), atranorin, pannarin, usnic acid, and asemone (= 4,5,7-trichloronorlichexanthone), of the following substance class(es): orcinol depsides, orcinol depsidones, xanthones, dibenzofurans [and usnic acids], and (tri-)terpenoids.

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