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Data Set Maintenance: Data set standard item. Data set author(s): Triebel D. Data set reviewer(s): Triebel D. (99-02-08; 00-06-12); revised; to be published after submission.

Nomenclature: Current taxonomic status: accepted or basionymous. Taxonomic rank: genus. Pezizella. Leotiaceae Corda (1842); Leotiales.

Taxonomic Literature: Arendholz W.-R., Mycotaxon 36: 283-303 (1989); Boudier E., Bull. Soc. Bot. France 28: 91-98 [96 + pl. III, fig. 7] (1881); Dennis R.W.G., Mycol. Pap. 62: 1-216 [52-53] (1956) - sub Pezizella vulgaris; Dennis R.W.G., Kew Bull. 26(3): 469-476 [472-473] (1972) - sub Peziza (Mollisia) epithallina; Eriksson O.E. & Hawksworth D.L., Syst. Ascomycetum 9: 1-38 [21] (1991); Keissler K. von, Rabenh. Kryptog.-Fl. 8: 1-712 [105-108] (1930); Kondratyuk S.Y. & Galloway D.J. in: Farkas E.+., Lücking R. & Wirth V. (eds), Biblioth. Lichenol. 58: 235-244 (1995); Hawksworth D.L., Trans Brit. Mycol. Soc. 74: 363-386 [378-380] (1980); Hawksworth D.L. & Sivanesan A., Trans. Brit. Mycol. Soc. 67: 39-49 (1976)]; Martínez Moreno M.I., Ruzia 15: 1-200 [171-172] (1999); Phillips W. & Plowright C.B., Grevillea 6: 22-29 [24] (1877) - sub Peziza epithalina; Rambold G. & Triebel D., Notes Roy. Bot. Gard. Edinburgh 46(3): 375-389 [377] (1990).

Ecology: Saprobic or biotroph; algicolous (on pleurococcoid algae) or lichenicolous; terricolous, lignicolous, or corticolous.

Medulla: Iodine reaction in Lugol's solution negative; not different with or without KOH pre-treatment (euamyloid).

Reproduction Strategy: Only known as sterile, asexually reproducing form or with sexual (and possible asexual) stages. Ascocarps: Apothecioid, orbicular, soon sessile to substipitate. Margin: Indistinct to prominent; external filaments absent or present. Exciple: White. Periphyses: Absent. Epithecium: Apical cells hyaline. Hymenium: Iodine reaction: Lugol’s negative, not hemiamyloid. Interascal Hyphae: Present, scarcely branched, not or scarcely anastomosed. Hypothecium: White.

Asci: Tholus thickened, not amyloid or amyloid, with amyloid tube; dehiscence unitunicate; exoascus not amyloid, not hemiamyloid.

Ascospores: c. 8 per ascus, ellipsoid, cylindrical, oblong-obtuse, ovoid, clavate, oblong, or curved, 5-12 µm long, 1-4 µm wide, obtuse or aciculate; septa absent; wall thin, not thickened at the septum, laterally constricted where the septum meets the spore wall, hyaline, in Lugol's Solution negative, wall not ornamented.

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