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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: accepted or basionymous. Taxonomic rank: genus. Number of known taxa within this rank: 2 (A. Aptroot 99-09-27). Eschatogonia. Biatoraceae A. Massal. ex Stiz. (1862); Lecanorineae; Lecanorales.

Type Information: Type: Eschatogonia montagnei Trevis. (= Eschatogonia prolifera (Mont.) R. Sant.).

Taxonomic Literature: Kalb K. & Elix J.A. in Knoph J.-G., Schrüfer K. & Sipman H.J.M., Biblioth. Lichenol. 57: 265-296 [280] (1995); Trevisan V., Spighe e Paglie: 1-65 [6] (1853).

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

Thallus: Crustose or foliose, not subdivided parts, squamulose, lobed. Upper Surface: Brownish yellow or olive; special structures absent or present:; not pseudocyphellate; eciliate; without hairs; not isidate; not sorediate; not cephalodiate; not lobulate or lobulate; without granules granules, without thalloconidia thalloconidia. 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 all across the thallus surface or directly at the thallus margin, soon sessile. Margin: Indistinct to distinct; external filaments absent. Periphyses: Absent.

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

Ascospores: c. 8 per ascus, filiform or fusiform, 12-35 µm long, 2-3 µm wide; septa present; transversally septate, 1-transversally septate; wall thin, not thickened at the septum, hyaline, in Lugol's Solution negative, wall not ornamented.

Secondary Metabolites: Present, of the following substance class(es): dibenzofurans [and usnic acids].

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