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Data Set Maintenance: Data set standard item. Data set author(s): Rambold G. Data set reviewer(s): Rico V. (96-10-15) and Scholz P. (02-05-17); revised; to be published after submission.

Nomenclature: Current taxonomic status: accepted or basionymous. Taxonomic rank: genus. Number of known taxa within this rank: 3 (A. Aptroot 99-09-27; 99-10-08). Waynea. Biatoraceae A. Massal. ex Stiz. (1862); Lecanorineae; Lecanorales.

Taxonomic Literature: Abassi Maaf L. & Roux C., Bull. Soc. Linn. Provençe 36: 189-194 ("1984") (1985); Bricaud O. & Roux C., Cryptog., Bryol. Lichénol., 14: 189-200 (1993); Moberg R., Lichenologist 22: 249-252 (1990); Moberg R. in: Nash T.H. III et al. (eds) Lichen Flora of the Greater Sonoran Desert Region vol. 1, 507-508, Tempe (2002); Rico V.J., Rivasgodaya 6: 129-136 (1991); Roux C. & Clerc P., Bull. Soc. Linn. Provençe 42: 123-130 (1991); Roux C., Clerc P. & Clauzade G. in: Farkas E.+., Lücking R.
& Wirth V. (eds), Biblioth. Lichenol. 58: 383-404 (1995); Roux C.
& Giralt M., Bull. Soc. Linn. Provençe 42: 117-122 (1991).

Biogeography: Checklist records: Italy, Sonoran Desert, and United States and Canada (continental).

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

Thallus: Crustose, squamulose or areolate (primarily areolate). Thallus Outline: Soon disappearing. Upper Surface: Olive or brownish yellow; special structures absent or present:; not pseudocyphellate; eciliate; without hairs or hairy; not isidate; not sorediate or 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, soon sessile to stipitate. Margin: Distinct to prominent; external filaments absent. Exciple: White or brownish yellow. Periphyses: Absent. Epithecium: Apical cells hyaline or brownish yellow. Interascal Hyphae: Present, scarcely branched, not or scarcely anastomosed. Hypothecium: White or brownish yellow.

Asci: Tholus thickened, amyloid, with non-amyloid narrow axial body and amyloid convergent flanks towards apex; ocular chamber indistinct; dehiscence lecanoralean.

Ascospores: c. 8 per ascus, fusiform, cylindrical, oblong-obtuse, allantoid, clavate, or curved, 8-31-(34) µm long, 2-4 µm wide, obtuse or aciculate; septa present; transversally septate, 1-3-5-transversally septate; wall thin, not thickened at the septum, hyaline, in Lugol's Solution negative, wall not ornamented.

Secondary Metabolites: Not detected or present, of the following substance class(es): orcinol depsides.

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