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Data Set Maintenance: Data set standard item. Data set author(s): Rambold G. Data set reviewer(s): Aptroot A. (95-02-10) and Lücking R. (95-08-01); revised; to be published after submission.

Nomenclature: Current taxonomic status: accepted or basionymous. Taxonomic rank: genus. Number of known taxa within this rank: 1. Pocsia. Verrucariaceae Zenker (1827); Verrucariales.

Taxonomic Literature: Vezda A., Folia Geobot. Phytotax. 10: 383-432 (1975); Vezda A. & Kalb K., Nova Hedwigia 53: 215-228 (1991).

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

Thallus: Crustose, not subdivided parts, granular. Upper Surface: Grey or white; special structures absent. Lower Surface: Attached by the whole lower surface; special structures absent.

Reproduction Strategy: Only known as sterile, asexually reproducing form or with sexual (and possible asexual) stages. Ascocarps: Perithecioid, orbicular or irregular, forming all across the thallus surface, soon sessile. Margin: Prominent; external filaments absent. Exciple: Brown or brownish yellow. Periphyses: Present. Interascal Hyphae: Absent.

Ascospores: c. 8 per ascus, allantoid or fusiform, 48-55 µm long, 6.5-8 µm wide, obtuse; septa present; transversally septate, 11-15-transversally septate; wall thin, not thickened at the septum, hyaline, in Lugol's Solution negative, wall not ornamented.

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