to LIAS


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



Lecanora flavidomarginata de Lesd.

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 [92-93] (1994); Lumbsch, H.T., Feige, G.B. & Elix, J.A., Bryologist 98: 561-577 [567 569] (1995).

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

Ecology: Lignicolous or corticolous.

Thallus: Areolate (primarily areolate); separate thallus parts thin. Thallus Outline: Indistinct; soon disappearing; white. Upper Surface: Verrucose or verruculose, lemon (citrine) or pale grey, matt, smooth or rough; epruinose, pruina scarce; not sorediate.

Upper Cortex: Gelatinized.

Ascocarps: Soon sessile, not constricted or strongly constricted at the base. Margin: Lecanorine, verrucose, verruculose, or crenulate, smooth or rough, not flexuose, persistent, indistinct to prominent, concolourous with the surrounding thallus; without a thin rim between disk and thalline margin. Disk: Plane, brownish yellow or grey-brown, pruina scarce or abundant. Parathecium (proper excipulum): White, not inspersed with crystals. Amphithecium (thalline excipulum): Present; crystals small, not dissolving in 10% KOH; photobiont abundant. Amphithecial Cortex: Present, distinctly developed, eucortical, (13)-15-20-25-(27) µm wide, basally widened, 20-27-55-(56) µm wide at the base; inspersed with oil droplets. Episamma: Soluble in KOH. Epithecium: Apical cells slightly swollen, hyaline, brownish red, or dark brown, soluble in 10% KOH. Hymenium: Not inspers. Hypothecium: White; not inspers.

Ascospores: c. 8 per ascus, ellipsoid or broadly ellipsoid, (11)-11.5-13-14.5-(15) µm long, (5)-6-6.8-7.5-(8) µm wide; wall thin, not ornamented.

Secondary Metabolites: Atranorin, usnic acid, and hopane-6a,22-diol, of the following substance class(es): orcinol depsides, dibenzofurans [and usnic acids], and (tri-)terpenoids.

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