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

The description has been generated directly from a database. In cases of errors and insufficiencies consult the corresponding LIAS data entry and revision forms to make the necessary modifications. Changes will appear in the subsequent update of data entry forms and natural language descriptions. [To verify the actual status of the pages, select the reload frame function in the context menu!]
These pages are XHTML compatible designed. May be that problems arise with older web browser versions.

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 [120-121] (1994); Lumbsch, H.T., Feige, G.B. & Elix, J.A., Bryologist 98: 561-577 [572-573] (1995).

Thallus: Not subdivided parts, areolate (primarily areolate); separate thallus parts thin. Thallus Outline: Indistinct; black. Upper Surface: Lemon (citrine), matt, smooth; epruinose; not sorediate.

Ascocarps: Soon sessile. Margin: Lecanorine, verrucose or verruculose, smooth, not flexuose or slightly flexuose, persistent, indistinct to distinct, brighter than the surrounding thallus; without a thin rim between disk and thalline margin. Disk: Plane, brownish yellow, epruinose, pruina scarce. Parathecium (proper excipulum): White, dissolving in 10% KOH. Amphithecium (thalline excipulum): Present; crystals dissolving in 10% KOH; photobiont abundant. Amphithecial Cortex: Present, distinctly developed, eucortical, (20)-25-30-35-(40) µm wide, basally widened, 30-35-40 µm wide at the base; inspersed with oil droplets. Episamma: Soluble in KOH. Epithecium: Apical cells not swollen, hyaline, brownish red, or dark brown, soluble in 10% KOH. Hymenium: Not inspers. Hypothecium: White or brownish yellow; not inspers.

Ascospores: c. 8 per ascus, ellipsoid or broadly ellipsoid, 12-14.2-16.5-(17) µm long, 7-8.2-9.5 µm wide; wall thin, not ornamented.

Secondary Metabolites: 2'-O-methylperlatolic acid, arthothelin (2,4,5-trichloronorlichexanthone), atranorin, isoarthothelin (= 2,5,7-trichloronorlichexanthone), thiophanic acid (= 2,4,5,7-tetrachloronorlichexanthone), and usnic acid, of the following substance class(es): orcinol depsides, xanthones, and dibenzofurans [and usnic acids].

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