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Data Set Maintenance: Data set standard item. Data set author(s): Rambold G. Data set not revised; to be published after submission.

Nomenclature: Current taxonomic status: basionymous or accepted. Taxonomic rank: genus. Number of known taxa within this rank: 11. Bryonora. Lecanoraceae Körb. (1855); Lecanorineae; Lecanorales.

Taxonomic Literature: Poelt J., Nova Hedwigia 38: 73-111 (1983); Poelt J. & Obermayer W., Nova Hedwigia 53: 1-26 (1991); Purvis O.W. in: Purvis O.W., Coppins B.J., Hawksworth D.L., James P.W. & Moore D.M. (eds), The lichen flora of Great Britain and Ireland: 1-710 [123-124] (1992); Rambold G. & Triebel D., Biblioth. Lichenol. 48: 1-201 [93] (1992).

Biogeography: Checklist records: Austria, Great Britain, Sonoran Desert, Italy, Sweden and Norway, and United States and Canada (continental).

Lichen Photobionts: Primary photobiont present; chlorococcal. Secondary photobiont absent.

Thallus: Indistinct or crustose, not subdivided parts, granular. Upper Surface: Black, brown, or grey to brownish yellow; special structures absent to present:; not pseudocyphellate to pseudocyphellate; eciliate; without hairs; not isidate; not sorediate; not cephalodiate; not lobulate; without granules granules, without thalloconidia thalloconidia. Lower Surface: Attached by the whole lower surface; special structures absent.

Reproduction Strategy: Only known as sterile, asexually reproducing form to with sexual (and possible asexual) stages. Ascocarps: Apothecioid, orbicular, forming all across the thallus surface, soon sessile. Margin: Distinct to prominent; external filaments absent. Exciple: White to brownish yellow. Periphyses: Absent. Epithecium: Apical cells brown. Interascal Hyphae: Present, scarcely branched, not or scarcely anastomosed. Hypothecium: White to brownish yellow.

Asci: Tholus thickened, amyloid, with non-amyloid wide axial body and divergent amyloid flanks towards apex; dehiscence lecanoralean.

Ascospores: c. 8 per ascus, ellipsoid to broadly ellipsoid to curved to fusiform to reniform, 12-45 µm long, 3.5-12 µm wide, obtuse to aciculate; septa absent to present; transversally septate, 1-7-transversally septate; wall thin, not thickened at the septum, hyaline, in Lugol's Solution negative, wall not ornamented.

Conidiomata: Present to absent resp. not observed; pycnidial; immersed, formed all accross the thallus surface.

Secondary Metabolites: Not detected to present, of the following substance class(es): orcinol depsidones to ß-orcinol depsidones to (higher) aliphatic acids to dibenzofurans [and usnic acids].

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