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Lecanora novaeguineae 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 [117-118] (1994).

Biogeography: Continent: Australasia.

Ecology: Terricolous, bryophytic, or lignicolous.

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; epruinose; sorediate; soralia.1-.2-.3-(.4) mm in diam., white, isolated, not confluent with other soralia, soredia coarse, (18)-20-28-35 µm in diam..

Upper Cortex: Gelatinized.

Ascocarps: Soon sessile, strongly constricted at the base. Margin: Lecanorine, verrucose or verruculose, smooth, not flexuose or slightly flexuose, persistent, prominent, concolourous with the surrounding thallus; without a thin rim between disk and thalline margin. Disk: Plane, brown or brownish yellow, epruinose, pruina scarce. Parathecium (proper excipulum): White, dissolving in 10% KOH. Amphithecium (thalline excipulum): Present; crystals small, abundant, dissolving in 10% KOH; photobiont abundant. Amphithecial Cortex: Present, distinctly developed, eucortical, (25)-30-35-40-(45) µm wide, not basally widened or basally widened, 40-45-45-(50) 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 or brownish yellow; not inspers.

Ascospores: c. 8 per ascus, ellipsoid, 11.5-13-14-(14.5) µm long, 4-5-5.5 µm wide; wall thin, not ornamented.

Secondary Metabolites: 2'-O-methylperlatolic acid, atranorin, and norstictic 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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