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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., J. Hattori Bot. Lab 77: 1-175 [92-93] (1994); Lumbsch, H.T., Feige, G.B. & Elix, J.A., Bryologist 98: 561-577 [567 569] (1995).

Thallus: Areolate (primarily areolate); separate thallus parts thin. Thallus Outline: Indistinct; soon disappearing; white. Upper Surface: Verrucose or verruculose, lemon (citrine) or pale grey, matt, smooth or rough; epruinose, pruina scarce; not sorediate.

Ascocarps: Soon sessile, not constricted or strongly constricted at the base. Margin: Lecanorine, verrucose, verruculose, or crenulate, smooth or rough, not flexuose, persistent, indistinct to prominent, concolourous with the surrounding thallus; without a thin rim between disk and thalline margin. Disk: Plane, brownish yellow or grey-brown, pruina scarce or abundant. 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, (13)-15-20-25-(27) µm wide, basally widened, 20-27-55-(56) µm wide at the base; inspersed with oil droplets. Episamma: Soluble in KOH. Epithecium: Apical cells slightly swollen, hyaline, brownish red, or dark brown, soluble in 10% KOH. Hymenium: Not inspers. Hypothecium: White; not inspers.

Ascospores: c. 8 per ascus, ellipsoid or broadly ellipsoid, (11)-11.5-13-14.5-(15) µm long, (5)-6-6.8-7.5-(8) µm wide; wall thin, not ornamented.

Secondary Metabolites: Atranorin, usnic acid, and hopane-6a,22-diol, of the following substance class(es): orcinol depsides, dibenzofurans [and usnic acids], and (tri-)terpenoids.

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