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Lecanora subimmersa (Fée) Vain. ssp. subimmersa

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: Rambold, G., Bibl. Lichenol. 34: 1-345 [] (1989); Lumbsch, H.T., J. Hattori Bot. Lab. 77: 1-175 [139-141] (1994).

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

Ecology: Substrate non-calciferous.

Thallus: Not subdivided parts, rimose; separate thallus parts thin or thick. Thallus Outline: Indistinct; soon disappearing; white. Upper Surface: Lemon (citrine), pale grey, or grey, matt or glossy (shiny), smooth; epruinose; not sorediate.

Ascocarps: Not emerging. Margin: 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): Absent. Amphithecial Cortex: Absent. Episamma: Without episamma. Epithecium: Apical cells distinctly swollen, brownish red, insoluble in 10% KOH. Hymenium: Not inspers. Hypothecium: White; not inspers.

Ascospores: c. 8 per ascus, ellipsoid, (8)-8.5-12-14.5-(15) µm long, 4.5-5-5.5 µm wide; wall thin, not ornamented.

Conidiomata: Immersed.

Pycnidia: Cerebriform. Conidiophores: Vobis-type II. Conidia: Filiform; 15-16.5-18 µm long.

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

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

(report generated 04.Okt.2007)


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