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Data Set Maintenance: Data set compiled and 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 grumosa (Pers.) Du Rietz (1926); Lecanoraceae Körb. (1855).

Taxonomic Literature: Kalb K. & Hafellner J., Herzogia 9: 45-102 [91] (1992); Poelt J.
& Vezda A., Biblioth. Lichenol. 16: 1-390 [171] (1981) - sub
Lecanora grumosa; Purvis O.W. et al. (1992) The lichen Flora of Great Britain and Ireland: 589-591.

Ecology: Biotroph; lichenized; lignicolous (rarely); substrate non-calciferous.

Thallus: Areolate (primarily areolate); separate thallus parts thick. Upper Surface: Grey, white, or brownish yellow, rough; special structures present:; sorediate; soralia dark grey-blue, soredia 50-100 µm in diam..

Reproduction Strategy: Rarely with sexual (and possible asexual) stages. Margin: Lecanorine. Disk: Excavate or plane, black. Hymenium: Brown (dark purplish) or pink (rosé). Hypothecium: Dark brown.

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