Lecanora variolascens 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: Lumbsch, H.T., Plümper, M., Guderley, R. & Feige, G.B., Symb. Bot. Ups. 32: 131-162 [157-158] (1997).
Biogeography: Continent: Europe.
Ecology: Corticolous.
Thallus: Rimose; separate thallus parts thin or thick. Thallus Outline: Indistinct; soon disappearing. Upper Surface: Pale grey or pale green, matt, smooth; epruinose; sorediate; soralia (.5)-.6-.8-1-(1.1) mm in diam., white, isolated, not confluent with other soralia, soredia farinose, (14)-15-18-20-(23) µm in diam..
Ascocarps: Soon sessile. Margin: Lecanorine, smooth, not flexuose or slightly flexuose, persistent, prominent, concolourous with the surrounding thallus; without a thin rim between disk and thalline margin. Disk: Plane to weakly convex, brown or brownish yellow, pruina abundant. Parathecium (proper excipulum): White, dissolving in 10% KOH. Amphithecium (thalline excipulum): Present; (60)-65-90-120 µm wide; crystals small, abundant, dissolving in 10% KOH; photobiont abundant. Amphithecial Cortex: Absent, indistinct, pseudocortical, (35)-40-55-65 µm wide, not basally widened, (35)-40-55-65 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 or broadly ellipsoid, 8.5-10.5-12-(12.5) µm long, (5.5)-6-7-8 µm wide; wall thin, not ornamented.
Secondary Metabolites: Atranorin and psoromic acid, of the following substance class(es): orcinol depsides and orcinol depsidones.
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.