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Lecanora sublivida Nyl.

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: basionymous or accepted. Taxonomic rank: species. Lecanora. Lecanoraceae Körb. (1855).

Biogeography: Continent: Pacific.

Ecology: Corticolous.

Thallus: Rimose; separate thallus parts thin or thick. Thallus Outline: Indistinct; soon disappearing. Upper Surface: Verruculose, lemon (citrine) or pale grey, matt, smooth; epruinose; not sorediate.

Ascocarps: Soon sessile. Margin: Lecanorine, crenulate, smooth, not flexuose or slightly flexuose, persistent, prominent or distinct, concolourous with the surrounding thallus; without a thin rim between disk and thalline margin. Disk: Plane, brown or grey-brown, pruina scarce. Parathecium (proper excipulum): Lemon (citrine), dissolving in 10% KOH. Amphithecium (thalline excipulum): Present; crystals dissolving in 10% KOH; photobiont abundant. Amphithecial Cortex: Present, distinctly developed, eucortical, 15-17.5-20 µm wide, basally widened, 20-22.5-25 µm wide at the base; inspersed with oil droplets. Episamma: Soluble in KOH. Epithecium: Apical cells slightly swollen, dark brown, insoluble in 10% KOH. Hymenium: Not inspers. Hypothecium: White; not inspers.

Ascospores: c. 8 per ascus, oblong, (14)-14.5-15.5-17 µm long, (4)-4.5-5.2-6 µm wide; wall thin, not ornamented.

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

Spot Tests: Upper surface: C –, PD –.

(report generated 04.Okt.2007)


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