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Data Set Maintenance: Data set standard item. Data set author(s): Rambold G. Data set not revised; to be published after submission.

Nomenclature: Current taxonomic status: basionymous or accepted. Taxonomic rank: genus. Number of known taxa within this rank: 1. Roccellinastrum. Micareaceae Hafellner (1984); Cladoniineae; Lecanorales.

Taxonomic Literature: Galloway D.J., Flora of New Zealand Lichens: i-lxxiii, 1-662 [516-517], Wellington (1985); Hafellner H., Beih. Nova Hedwigia 79: 241-371 [332-333] (1984); Henssen A., Vobis G. & Renner B., Nord. J. Bot. 2: 587-599 (1982); Kantvilas G., Lichenologist 28: 229-337 (1996).

Ecology: Biotroph; lichenized; bryophytic, lignicolous, corticolous, or epiphyllous.

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

Thallus: Crustose, leprose, granular, squamulose, or placodioid. Upper Surface: Green, grey, brownish yellow, white, or yellow; special structures absent. Lower Surface: Attached by the whole lower surface or attached by holdfasts; special structures absent.

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, soon sessile. Margin: Indistinct to distinct; external filaments absent. Exciple: White or brownish yellow. Periphyses: Absent. Epithecium: Apical cells hyaline. Interascal Hyphae: Present, scarcely branched, not or scarcely anastomosed to distinctly anastomosed. Hypothecium: White or brownish yellow.

Asci: Tholus thickened, amyloid, with non-amyloid wide axial body and divergent amyloid flanks towards apex or entirely amyloid throughout; dehiscence lecanoralean.

Ascospores: c. 8 per ascus, oblong, globose, or oblong-obtuse, 5-14.5 µm long, 1-3 µm wide, obtuse or aciculate; septa absent or present; transversally septate, 1-3-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; sessile to stipitate, formed along the thallus periphery.

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

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