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Lecanora subgranulata (Nyl.) 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: accepted. Taxonomic rank: species. Lecanora. Lecanoraceae Körb. (1855).

Biogeography: Continent: Southern America.

Ecology: Corticolous.

Thallus: Areolate (primarily areolate); separate thallus parts thin. Thallus Outline: Indistinct. Upper Surface: Verruculose, pale grey, matt, rough; epruinose; not sorediate.

Upper Cortex: Gelatinized.

Ascocarps: Soon sessile, not constricted at the base. Margin: Lecanorine, verrucose, rough, not flexuose, persistent, indistinct to distinct, concolourous with the surrounding thallus; without a thin rim between disk and thalline margin. Disk: Plane or excavate, brownish red or brown, epruinose. Parathecium (proper excipulum): White, not inspersed with crystals. Amphithecium (thalline excipulum): Present; crystals dissolving in 10% KOH; photobiont abundant. Amphithecial Cortex: Present, indistinct, eucortical, 15-17.5-20 µm wide, not basally widened, 15-17.5-20 µm wide at the base. Episamma: Without episamma. Epithecium: Apical cells not swollen or slightly swollen, brownish red, insoluble in 10% KOH. Hymenium: Not inspers. Hypothecium: White; not inspers.

Ascospores: c. 8 per ascus, ellipsoid, 10-11-12 µm long, 5-6-7 µm wide; wall thin, not ornamented.

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

Spot Tests: Upper surface: C –, PD –.

(report generated 04.Okt.2007)


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