to LIAS


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



Lecanora subcrenulata Müll. Arg.

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: basionymous or accepted. Taxonomic rank: species. Lecanora. Lecanoraceae Körb. (1855).

Taxonomic Literature: Elix, J.A. & Lumbsch, H.T., Mycotaxon 59: 309-317 [315] (1996).

Biogeography: Continent: Southern America.

Ecology: Substrate non-calciferous.

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

Ascocarps: Soon sessile. Margin: Lecanorine, crenulate, smooth, not flexuose or slightly flexuose, persistent, indistinct to prominent, concolourous with the surrounding thallus or brighter than the surrounding thallus; without a thin rim between disk and thalline margin. Disk: Plane, brownish red or brownish yellow, epruinose, pruina scarce. Parathecium (proper excipulum): White. Amphithecium (thalline excipulum): Present; crystals dissolving in 10% KOH; photobiont abundant. Amphithecial Cortex: Present, distinctly developed, eucortical, 15-20-25 µm wide, not basally widened, 15-20-25 µm wide at the base; inspersed with oil droplets. Episamma: Soluble in KOH. Epithecium: Apical cells slightly swollen, brownish red, soluble in 10% KOH. Hymenium: Not inspers. Hypothecium: White; not inspers.

Ascospores: c. 8 per ascus, ellipsoid or oblong, 14-15.5-17-(18) µm long, 5-6-7 µm wide; wall thin, not ornamented.

Secondary Metabolites: Atranorin, isonotatic acid, and usnic acid, of the following substance class(es): orcinol depsides, orcinol depsidones, and dibenzofurans [and usnic acids].

Spot Tests: Upper surface: C –, PD + orange.

(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