to LIAS


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



Lecanora swartzii (Ach.) Ach.

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. Taxonomic rank: species. Lecanora. Lecanoraceae Körb. (1855).

Taxonomic Literature: Leuckert, C. & Poelt, J., Nova Hedwigia 49: 121-167 [159-160] (1989).

Biogeography: Continent: Africa, Asia-Temperate, Australasia, Europe, Northern America, and Southern America.

Ecology: Substrate non-calciferous.

Thallus: Rimose or areolate (primarily areolate), bullate; separate thallus parts thin or thick. Thallus Outline: Lobed or arachnoid; white. Upper Surface: Verrucose or verruculose, lemon (citrine), orange, or pale grey, matt or glossy (shiny), smooth or rough; epruinose; not sorediate.

Upper Cortex: Gelatinized.

Ascocarps: Strongly constricted at the base. Margin: Lecanorine, verruculose, smooth, not flexuose, excluded, indistinct to distinct, concolourous with the surrounding thallus; without a thin rim between disk and thalline margin. Disk: Weakly convex, brown, pruina abundant. Parathecium (proper excipulum): White, dissolving in 10% KOH. Amphithecium (thalline excipulum): Present; crystals small, not dissolving in 10% KOH; photobiont abundant. Amphithecial Cortex: Present, distinctly developed, eucortical, 15-20-25 µm wide, basally widened, 20-35-50 µm wide at the base; inspersed with oil droplets. Episamma: Soluble in KOH. Epithecium: Apical cells slightly swollen, hyaline or dark brown, soluble in 10% KOH. Hymenium: Not inspers. Hypothecium: White; not inspers.

Ascospores: c. 8 per ascus, ellipsoid, (9)-9.5-11.5-13.5-(14) µm long, 6-6.8-7.5 µm wide; wall thin, not ornamented.

Secondary Metabolites: Atranorin, sordidone, and roccellic acid, of the following substance class(es): orcinol depsides, chromones, and (higher) aliphatic acids.

Spot Tests: Upper surface: C + orange, 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