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Data Set Maintenance: Data set standard item. Data set author(s): Rambold G. Data set reviewer(s): Schultz M. (00-03-02); revised; to be published after submission.

Nomenclature: Current taxonomic status: accepted or basionymous. Taxonomic rank: genus. Number of known taxa within this rank: 9. Zahlbrucknerella. Synonyms: Zahlbrucknera Herre Lecanephebe Frey Leptopterygium Zahlbr.; Lichinaceae Nyl. (1854); Lichinales.

Taxonomic Literature: Awasthi D.D. & Singh S.R., Norweg. J. Bot. 26 (2): 91-97 (1979); Clauzade G. & Roux C., Bull. Soc. Bot. Centre-Ouest N.S. - Numero Special 7: 1-893 [821] (1985); Galloway D.J., Flora of New Zealand Lichens: i-lxxiii, 1-662 [621-622], Wellington (1985); Henssen A., Symb. Bot. Upsal. 18: 1-123 [77-80] (1963); Henssen A., Lichenologist 9: 17 (1977); Henssen A., Lichenologist 17: 301-303 (1985); Poelt J. & Vezda A., Biblioth. Lichenol. 16: 1 390 [356] (1981).

Biogeography: Checklist records: Austria, Italy, New Zealand, Sonoran Desert, Sweden and Norway, and United States and Canada (continental).

Lichen Photobionts: Primary photobiont present; cyanobacterial. Primary photobiont taxonomy: Scytonema (A. Beck 19-05-97); Scytonemataceae; Nostocales, Cyanobacteria, Prokaryota. Secondary photobiont absent.

Thallus: Filamentose or granular. Thallus Outline: Soon disappearing. Upper Surface: Black, grey, or olive; special structures absent. Lower Surface: Attached by the whole lower surface; special structures absent.

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, forming all across the thallus surface, becoming adnate to soon sessile. Wall: Not carbonized, not fused. Margin: Distinct to prominent; external filaments absent. Exciple: White. Periphyses: Absent. Epithecium: Apical cells green (greenish-blue) or brown. Hymenium: Iodine reaction: Lugol’s negative, hemiamyloid. Interascal Hyphae: Present, scarcely branched, not or scarcely anastomosed. Hypothecium: White.

Asci: Tholus not thickened, not amyloid; ocular chamber indistinct; dehiscence prototunicate; exoascus not amyloid, not hemiamyloid.

Ascospores: c. 8 to more than 32 per ascus, globose, broadly ellipsoid, ellipsoid, reniform, or curved, 6-11 µm long, 5-8 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 to adnate, formed all accross the thallus surface.

Conidiogeneous Cells: Apical. Conidia: Ellipsoid or bacilliform; microconidial, not branched; aseptate; cell wall hyaline.

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