to LIAS


Botanische Staatssammlung München © 1995–2008
Data remain intellectual property of the data set authors.



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)


In case that additional characters and states are required to be included in this data set, consult the LIAS Instructions to Participants and follow the procedures described there.

LIAS Home