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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. Almbornia. Parmeliaceae Zenker (1827); Lecanorineae; Lecanorales.

Taxonomic Literature: Brusse F.A. Mycotaxon 40: 265-267 (1991); Elix J.A., Bryologist 96:
359-383 (1993); Esslinger T.L., Nordic. J. Bot. 1: 125-127 (1981).

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

Thallus: Crustose, not subdivided parts, placodioid or subfruticose. Upper Surface: Brown; special structures absent. Lower Surface: Attached by the whole lower surface to attached by holdfasts; 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: Prominent; external filaments absent. Exciple: Grey to white. Periphyses: Absent. Epithecium: Apical cells brown to 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, 8-10 µm long, 4-6 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 to present; pycnidial; immersed, formed all accross the thallus surface.

Secondary Metabolites: Present, of the following substance class(es): ß-orcinol depsidones to (higher) aliphatic acids.

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