Lecanora pseudargentata Lumbsch
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 [127-128] (1994).
Biogeography: Continent: Australasia.
Ecology: Corticolous.
Thallus: Areolate (primarily areolate); separate thallus parts thin. Thallus Outline: Indistinct; soon disappearing. Upper Surface: Verrucose or verruculose, lemon (citrine) or pale grey, matt, smooth or rough; epruinose; not sorediate.
Ascocarps: Soon sessile, strongly constricted at the base. Margin: Lecanorine, verrucose or verruculose, smooth, not flexuose, persistent, prominent or distinct, concolourous with the surrounding thallus; without a thin rim between disk and thalline margin. Disk: Plane, brownish red or brown, epruinose. Parathecium (proper excipulum): White, dissolving in 10% KOH. Amphithecium (thalline excipulum): Present; crystals small, not dissolving in 10% KOH; photobiont abundant. Amphithecial Cortex: Present, indistinct, eucortical, 20-22.5-25-(30) µm wide, not basally widened, 20-22.5-25-(30) µm wide at the base; inspersed with oil droplets. Episamma: Soluble in KOH. Epithecium: Apical cells slightly swollen, hyaline or brownish red, soluble in 10% KOH. Hymenium: Not inspers. Hypothecium: White; not inspers.
Ascospores: c. 8 per ascus, ellipsoid or broadly ellipsoid, (8)-8.5-10.5-12.5-(13) µm long, (6)-6.5-7.2-8 µm wide; wall thin, not ornamented.
Secondary Metabolites: Atranorin and gangaleoidin, of the following substance class(es): orcinol depsides and orcinol depsidones.
Spot Tests: Upper surface: C , PD .
(report generated 04.Okt.2007)
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