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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: basionymous or accepted. Taxonomic rank: genus. Number of known taxa within this rank: 3. Varicellaria. Pertusariaceae Körb. (1855); Pertusariineae; Lecanorales.

Taxonomic Literature: Clauzade G. & Roux C., Bull. Soc. Bot. Centre-Ouest N.S. - Numero Special 7: 1-893 [780] (1985); Nylander W., Mém. Soc. Sci. Nat. Cherbourg 5: 85-146 [p. 117, 119] (1858) ['1857'].

Biogeography: Checklist records: Austria, Germany, Italy, Sweden and Norway, and United States and Canada (continental).

Ecology: Biotroph; lichenized; terricolous, bryophytic, or lignicolous; substrate non-calciferous.

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

Thallus: Crustose, granular. Upper Surface: Grey, brownish yellow, 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: Apothecioid, forming all across the thallus surface. Margin: External filaments absent. Periphyses: Absent. Interascal Hyphae: Present.

Ascospores: 1–2 per ascus, ellipsoid, 200-400 µm long, 70-140 µm wide, obtuse; septa present; transversally septate, 1-transversally septate; wall thick, distinctly differentiated into primary and secondary wall, not thickened at the septum, hyaline, in Lugol's Solution negative, wall not ornamented.

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