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Data Set Maintenance: Data set standard item. Data set author(s): Rambold G. Data set reviewer(s): Elix J. A. (95-06-01) and Randlane T. (98-02-21); revised; to be published after submission.

Nomenclature: Current taxonomic status: basionymous or accepted. Taxonomic rank: genus. Number of known taxa within this rank: 16. Nephromopsis. Synonyms: Cetrariopsis Kurok.; Parmeliaceae Zenker (1827); Lecanorineae; Lecanorales.

Taxonomic Literature: Elix J.A., Bryologist 96: 359-383 (1993); Elix J.A., Bryologist 96: 359-383 (1993) - sub Cetrariopsis; Kurokawa S., Mem. National Science Museum, Tokyo 13: 139-142 (1980) - sub Cetrariopsis; Lai M.-J., Quat. J. Taiwan Mus. 33: 215-229 (1981); Randlane T. & Saag A., Mycotaxon 44: 485-489 (1992); Randlane T., Thell A. & Saag A., Cryptog. Bryol. Lichénol. 16: 35-60 (1995); Randlane T., Thell A. & Saag A., Cryptog. Bryol. Lichénol. 16: 35-60 (1995) - sub Cetrariopsis; Randlane T., Saag A. & Thell A., Bryologist 100: 109-122 (1997); Thell A., Mattsson J.-E. & Kärnefelt I., Cryptog. Bot. 5: 120-127 (1995).

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

Thallus: Foliose, not subdivided parts, lobed. Thallus Outline: Soon disappearing. Upper Surface: Green or yellow; special structures absent. Lower Surface: Attached by holdfasts; special structures present:; pseudocyphellate; not cyphellate; rhizinate; without thalloconidia thalloconidia; not cavernulate; not tomentose.

Reproduction Strategy: Only known as sterile, asexually reproducing form or with sexual (and possible asexual) stages. Ascocarps: Apothecioid, orbicular or lingulate, forming all across the thallus surface or directly at the thallus margin, becoming adnate to soon sessile. Margin: Prominent; external filaments absent. Exciple: Grey or white. Periphyses: Absent. Epithecium: Apical cells brown or brownish yellow. 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, 5-10 µm long, 2.5-5 µm wide, obtuse; septa absent; wall thin, not thickened at the septum, hyaline, in Lugol's Solution negative, wall not ornamented.

Conidiomata: Absent resp. not observed or present; pycnidial; immersed or sessile to stipitate, formed all accross the thallus surface or along the thallus periphery.

Secondary Metabolites: Present, of the following substance class(es): orcinol depsides, orcinol depsidones, ß-orcinol depsidones, (higher) aliphatic acids, secalonic acids, and dibenzofurans [and usnic acids].

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