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Data Set Maintenance: Data set standard item. Data set author(s): Rambold G. (94-08-27). Data set reviewer(s): Kainz C. (00-12-01); to be published after submission; 94-08-27.

Nomenclature: Current taxonomic status: accepted. Taxonomic rank: species. Tephromela. Synonyms: Lecanora atra (Huds.) Ach. (1810); Lecanoraceae Körb. (1855).

Taxonomic Literature: Poelt J. & Vezda A., Biblioth. Lichenol. 16: 1-390 [172] (1981) -
sub Lecanora atra; Purvis O.W. in: Purvis O.W. et al. (eds), The
Lichen Flora of Great Britain and Ireland, London (1992); Hertel H.
& Rambold G., Bot. Jahrb. Syst. 107: 469-501 (1985); Rambold G.,
Biblioth. Lichenol. 34: 1-346 (1989).

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

Ecology: Biotroph; lichenized; lignicolous or corticolous; substrate non-calciferous or calciferous.

Thallus: Areolate (primarily areolate); separate thallus parts thick. Thallus Outline: Soon disappearing or persistent. Upper Surface: Grey or white, rough; wrinkled.

Reproduction Strategy: With sexual (and possible asexual) stages. Ascocarps: Not emerging, soon sessile, 1-2.5 mm in diam.. Margin: Lecanorine or lecideine/biatorine, not flexuose or slightly flexuose (at maturity), persistent, prominent. Disk: Excavate to plane, black. Exciple: Not carbonized. Epithecium: Apical cells dark brownish red. Hymenium: Brown (dark purplish) or pink (rosé). Hypothecium: Dark brown.

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