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Data Set Maintenance: Data set standard item. Data set author(s): Rambold G. Data set reviewer(s): Matzer M. & Mayrhofer H. (95-01-15); revised; to be published after submission.

Nomenclature: Current taxonomic status: accepted or basionymous. Taxonomic rank: genus. Number of known taxa within this rank: 2. Rinodinella. Physciaceae Zahlbr. (1898); Lecanorineae; Lecanorales.

Type Information: Type: Rinodinella controversa (A. Massal.) H. Mayrhofer & Poelt.

Taxonomic Literature: Aptroot A., Diederich P., Sérusiaux E. & Sipman H.J.M., Biblioth. Lichenol. 64: 1-220 [174-179] (1997); Hawksworth D.L. & Miadlikowska J., Mycol. Res. 101(9): 1127-1134 (1997); Matzer M., Mycol. Pap. 171: 1-202 [181] (1996); Matzer M. & Hafellner J., Biblioth. Lichenol. 37: 1-138 [53-90, 1 37, 138] + pl. (1990); Matzer M. & Pelzmann B., Nova Hedwigia 52: 1-9 (1991).

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

Thallus: Indistinct or crustose, not subdivided parts, rimose or areolate (primarily areolate). Upper Surface: Brown or grey; 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, orbicular, forming all across the thallus surface, becoming adnate to soon sessile. Margin: Distinct to prominent; external filaments absent. Exciple: White or brownish yellow. Periphyses: Absent. Epithecium: Apical cells brown. Interascal Hyphae: Present, scarcely branched, not or scarcely anastomosed. Hypothecium: White.

Asci: Tholus thickened, amyloid, with non-amyloid wide axial body and divergent amyloid flanks towards apex; dehiscence lecanoralean.

Ascospores: c. 8 per ascus, ellipsoid, oblong, or oblong-obtuse, 12-21 µm long, 4.5-7 µm wide, obtuse; septa present; transversally septate, 1-transversally septate; wall thin, not thickened at the septum, pale brown or dark brown, in Lugol's Solution negative, wall not ornamented.

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