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

Nomenclature: Current taxonomic status: basionymous or accepted. Taxonomic rank: genus. Number of known taxa within this rank: 1. Bullatina. Gomphillaceae W. Watson ex Hafellner (1984); Ostropales.

Taxonomic Literature: Santesson R., Symb. Bot. Upsal. 12: 1-590 [361] (1952) - sub Ectolechia asp.; Vezda A. & Poelt J., Folia Geobot. Phytotax. 22: 179-198 (1987).

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

Thallus: Crustose, granular. Upper Surface: White; special structures present:; not pseudocyphellate; eciliate; hairy; 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 or with sexual (and possible asexual) stages. Ascocarps: Apothecioid, orbicular, forming all across the thallus surface, not emerging. Margin: Prominent; external filaments absent. Periphyses: Absent. Epithecium: Apical cells hyaline. Interascal Hyphae: Present, scarcely branched, not or scarcely anastomosed. Hypothecium: White or brownish yellow.

Ascospores: 1–2 per ascus, oblong, cylindrical, or oblong-obtuse, 42-80 µm long, obtuse; septa present; both transversally and longitudinally; wall thin, not thickened at the septum, hyaline, in Lugol's Solution negative, wall not ornamented.

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