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Tephromela perlata Haugan & Timdal

Data Set Maintenance: Data set standard item. Data set author(s): Rambold G. (94-08-27). Data set reviewer(s): Kainz C. (00-12-22); to be published after submission; 94-08-27.

Nomenclature: Current taxonomic status: accepted or basionymous. Taxonomic rank: species. Tephromela. Lecanoraceae Körb. (1855).

Taxonomic Literature: Haugan R. & Timdal E. 1994. Graphis Scripta 6: 17-26.

Biogeography: Continent: Europe and Northern America.

Ecology: Biotroph; lichenized; substrate non-calciferous.

Thallus: Areolate (primarily areolate). Thallus Outline: Persistent; black. Upper Surface: White, matt; epruinose; wrinkled (areoles smooth to minutely wrinkled); not sorediate.

Reproduction Strategy: With sexual (and possible asexual) stages. Ascocarps: Up to 4 mm in diam.. Margin: Lecideine/biatorine. Disk: Weakly convex to strongly convex, black, epruinose. Exciple: Not carbonized. Epithecium: Apical cells slightly swollen, dark green. Hymenium: White; not inspers. Hypothecium: Brown (medium).

Ascospores: Ellipsoid, 11.5-17 µm long, 5-7.5 µm wide; septa absent.

Conidiophores: Vobis-type V. Conidia: 8.5-11 µm long.

Secondary Metabolites: Rangiformic acid.

(report generated 04.Okt.2007)

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