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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: 70. Sarcographa. Graphidaceae Dumort. (1822); Ostropales.

Taxonomic Literature: Aptroot A., Diederich P., Sérusiaux E. & Sipman H.J.M.,
Biblioth. Lichenol. 64: 1-220 [179-180] (1997); Galloway D.J., Flora
of New Zealand Lichens: i-lxxiii, 1-662 [519-520], Wellington (1985);
Redinger K.M., Ark. f. Bot. 25A(13): 1-21 (1933).

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

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

Thallus: Indistinct or crustose, not subdivided parts, granular or rimose. Upper Surface: Grey, green, white, olive, or brownish yellow; special structures absent or present:; not pseudocyphellate; eciliate; without hairs; not isidate or isidiate; not sorediate; not cephalodiate; not lobulate; without granules granules, without thalloconidia thalloconidia. 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: Orbicular, irregular, or linear, forming all across the thallus surface, not emerging, soon sessile, stromatic. Margin: Indistinct to prominent. Exciple: Black, brown, white, or brownish yellow. Periphyses: Absent. Epithecium: Apical cells black, brown, hyaline, or brownish yellow. Hymenium: Iodine reaction: Lugol’s negative, not hemiamyloid. Interascal Hyphae: Present, scarcely branched, not or scarcely anastomosed. Hypothecium: Black, brown, white, or brownish yellow.

Ascospores: c. 8 per ascus, oblong-obtuse or oblong, 8-26 µm long, 4-8 µm wide, obtuse or aciculate; septa present; transversally septate, 3-7-transversally septate, formed by the endospore wall layer; wall thin, not thickened at the septum, dark brown or pale brown, in Lugol's Solution negative, wall not ornamented.

Conidiomata: Absent resp. not observed or present; pycnidial; formed all accross the thallus surface.

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

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