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Data Set Maintenance: Data set standard item. Data set author(s): Rambold G. Data set reviewer(s): Aptroot A. (95-02-18) and Sipman H. (98-01-15); revised; to be published after submission.

Nomenclature: Current taxonomic status: accepted or basionymous. Taxonomic rank: genus. Number of known taxa within this rank: 2 (A. Aptroot 99-09-27). Glyphis. Graphidaceae Dumort. (1822); Ostropales.

Taxonomic Literature: Awasthi D.D., Biblioth. Lichenol. 40: 1-337 (1991); Clauzade G. &
Roux C., Bull. Soc. Bot. Centre-Ouest N.S. - Numero Special 7: 1-893
[371] (1985); Galloway D.J., Flora of New Zealand Lichens: i-lxxiii,
1-662 [171], Wellington (1985); Nakanishi M., J. Sci. Hiroshima
Univ., Ser. B, Div. 2 (Bot.), 11(1): 51-126 (1966); Poelt J. &
Vezda A., Biblioth. Lichenol. 16: 1-390 [160] (1981).

Biogeography: Checklist records: Guianas, New Zealand, Thailand, United States and Canada (continental), and Republic of South Africa.

Lichen Photobionts: Primary photobiont present; trentepohlioid. Primary photobiont taxonomy: Ulvophyceae, Eukariota. Secondary photobiont absent.

Thallus: Indistinct or crustose, not subdivided parts, granular or rimose. Upper Surface: Grey, green, white, or olive; 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: Orbicular or irregular, forming all across the thallus surface, not emerging, soon sessile, stromatic. Margin: External filaments absent. Exciple: Black or brown. Periphyses: Absent. Epithecium: Apical cells brown. Hymenium: Iodine reaction: Lugol’s negative, not hemiamyloid. Interascal Hyphae: Present, scarcely branched, not or scarcely anastomosed. Hypothecium: Brown, white, or brownish yellow.

Ascospores: c. 4 to c. 8 per ascus, ellipsoid, fusiform, or oblong, 14-70 µm long, 7-11 µm wide, obtuse or aciculate; septa present; transversally septate, 4-12-transversally septate, formed by the endospore wall layer; wall not thickened at the septum, hyaline, in Lugol's Solution negative.

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