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Data Set Maintenance: Data set standard item. Data set author(s): Rambold G. Data set reviewer(s): Elix J. A. (95-06-01); revised; to be published after submission.

Nomenclature: Current taxonomic status: accepted or basionymous. Taxonomic rank: genus. Number of known taxa within this rank: 2. Asahinea. Parmeliaceae Zenker (1827); Lecanorineae; Lecanorales.

Taxonomic Literature: Culberson W.L. & Culberson C.F., Brittonia 17: 183 (1965); Elix J.A., Bryologist 96: 359-383 (1993).

Biogeography: Checklist records: Sweden and Norway and United States and Canada (continental).

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

Thallus: Foliose, not subdivided parts, lobed. Upper Surface: Black, green, grey, or yellow; special structures absent. Lower Surface: Attached by holdfasts; special structures absent.

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

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

Ascospores: c. 8 per ascus, ellipsoid, 8-13 µm long, 5-8 µm wide, obtuse; septa absent; wall thin, not thickened at the septum, hyaline, in Lugol's Solution negative, wall not ornamented.

Conidiomata: Absent resp. not observed or present; pycnidial; immersed, formed along the thallus periphery.

Secondary Metabolites: Present, of the following substance class(es): orcinol depsidones, ß-orcinol depsides, (anthra-)quinones, and dibenzofurans [and usnic acids].

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