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Lecanora cateilea (Ach.) A. Massal.

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. Taxonomic rank: species. Lecanora. Lecanoraceae Körb. (1855).

Taxonomic Literature: Imshaug, H.A. & Brodo, I., Nova Hedwigia 12: 1-59 [34-35] (1966); Lumbsch, H.T., Plümper, M., Guderley, R. & Feige, G.B., Symb. Bot. Ups. 32: 131-162 [151] (1997).

Biogeography: Continent: Asia-Temperate, Europe, and Northern America.

Ecology: Lignicolous or corticolous.

Thallus: Not subdivided parts, rimose; separate thallus parts thin. Thallus Outline: Indistinct; soon disappearing. Upper Surface: Pale grey or lemon (citrine), matt, smooth; epruinose.

Ascocarps: Soon sessile, not constricted at the base. Margin: Lecanorine, smooth, not flexuose or slightly flexuose, persistent or excluded, prominent or indistinct, concolourous with the surrounding thallus; without a thin rim between disk and thalline margin. Disk: Plane, brownish yellow, pruina scarce or abundant. Parathecium (proper excipulum): White, dissolving in 10% KOH. Amphithecium (thalline excipulum): Present; crystals small, abundant, dissolving in 10% KOH; photobiont abundant. Amphithecial Cortex: Absent, indistinct, pseudocortical, (30)-35-70-95 µm wide, not basally widened, (30)-35-70-95 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 to 12-16 per ascus, broadly ellipsoid or ellipsoid, 10-12-13-(13.5) µm long, 5-6.5-7.5-(8) µm wide; wall thin, not ornamented.

Secondary Metabolites: Atranorin and psoromic acid, of the following substance class(es): orcinol depsides and orcinol depsidones.

Spot Tests: Upper surface: C –, PD + orange.

(report generated 04.Okt.2007)


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