Lecanora dissoluta Nyl.
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: Elix, J.A. & Lumbsch, H.T., Mycotaxon 59: 309-317 [311] (1996).
Biogeography: Continent: Asia-Temperate.
Ecology: Corticolous.
Thallus: Not subdivided parts; separate thallus parts thin. Thallus Outline: Indistinct; soon disappearing. Upper Surface: Lemon (citrine) or pale grey, matt, smooth or rough; epruinose; sorediate; soralia white, spreading, soredia coarse, 40-40-40 µm in diam..
Ascocarps: Soon sessile. Margin: Lecanorine, smooth, not flexuose, persistent, indistinct to prominent, concolourous with the surrounding thallus; without a thin rim between disk and thalline margin. Disk: Plane, brownish red, epruinose. Parathecium (proper excipulum): White, dissolving in 10% KOH. Amphithecium (thalline excipulum): Present; crystals dissolving in 10% KOH; photobiont abundant. Amphithecial Cortex: Present, indistinct, eucortical, 10-20-25-(30) µm wide, not basally widened, 10-20-25-(30) µm wide at the base; inspersed with oil droplets. Episamma: Without episamma. Epithecium: Apical cells slightly swollen, brownish red, insoluble in 10% KOH. Hymenium: Not inspers. Hypothecium: White; not inspers.
Ascospores: c. 8 per ascus, oblong, 14-16.5-18.5-(19) µm long, 6-6.5-7-(7.5) µm wide; wall thin, not ornamented.
Secondary Metabolites: Atranorin and hopane-6a,22-diol, of the following substance class(es): orcinol depsides and (tri-)terpenoids.
Spot Tests: Upper surface: C , PD .
(report generated 04.Okt.2007)
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