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Data Set Maintenance: Data set standard item. Data set author(s): Rambold G. Data set reviewer(s): Tehler A. (95-11-27); revised; to be published after submission.

Nomenclature: Current taxonomic status: basionymous or accepted. Taxonomic rank: genus. Number of known taxa within this rank: 1. Roccellographa. Roccellaceae Chevall. (1826); Arthoniales.

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

Thallus: Crustose or fruticose, not subdivided parts, subfruticose. Thallus Outline: Soon disappearing or persistent. Upper Surface: Grey, brownish yellow, or white; special structures absent. Lower Surface: Attached by holdfasts; special structures absent or present:; not pseudocyphellate; not cyphellate; not 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, linear, forming all across the thallus surface, not emerging. Margin: Indistinct. Epithecium: Apical cells brownish yellow. Interascal Hyphae: Present, distinctly branched, distinctly anastomosed. Hypothecium: White or brownish yellow.

Ascospores: c. 8 per ascus, 18-23 µm long, 7-8 µm wide, obtuse; septa present; transversally septate, 3-5-transversally septate; 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, formed all accross the thallus surface.

Secondary Metabolites: Present, of the following substance class(es): ß-orcinol depsidones.

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