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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: 6. Macentina. Verrucariaceae Zenker (1827); Verrucariales.

Taxonomic Literature: Clauzade G. & Roux C., Bull. Soc. Bot. Centre-Ouest N.S. - Numero Special 7: 1-893 [504] (1985); Coppins B.J. & Vezda A., Lichenologist 9: 47-49 (1977); Farkas E.+. & Vezda A., Acta Bot. Hung 33(3-4): 295-300 (1987); Orange A., Lichenologist 21: 229-236 (1989); Orange A. in: Purvis O.W. et al. (eds), The Lichen Flora of Great Britain and Ireland, London (1992); Poelt J. & Vezda A., Biblioth. Lichenol. 16: 1-390 [207] (1981); Vezda A., Acta Mus. Silesiae, Opava, Ser. A, 22: 67-90 (1973).

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

Thallus: Crustose, not subdivided parts, leprose or granular. Upper Surface: Green; 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, forming all across the thallus surface, soon sessile. Margin: External filaments absent. Periphyses: Present. Interascal Hyphae: Absent.

Ascospores: c. 8 per ascus, oblong, 12-30 µm long, 3.5-5 µm wide, obtuse; septa absent; wall thin, not thickened at the septum, hyaline, in Lugol's Solution negative, wall not ornamented.

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