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Data Set Maintenance: Data set author(s): Scholz P. (02-05-18). Data set not revised; to be published after submission.

Nomenclature: Current taxonomic status: accepted or basionymous. Taxonomic rank: genus. Number of known taxa within this rank: 1. Synonyms: Aspicilia myrinii (Fr.) Stein; genus of unknown placement (incertae sedis); Acarosporineae (?); Lecanorales.

Taxonomic Literature: Clauzade G. & Roux C., Bull. Soc. Bot. Centre-Ouest, N.S. 7: 1-893 [198] (1985) - sub Aspicilia; Hafellner J. & Türk R., Stapfia 76: 1-167 (2001) [149].

Biogeography: Checklist records: Austria, Germany, Italy, and Sweden and Norway.

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

Thallus: Crustose, not subdivided parts. Thallus Outline: Persistent. Upper Surface: Grey, white, or grey-yellow; 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: Apothecioid, orbicular, forming all across the thallus surface, not emerging, becoming adnate to soon sessile. Margin: Distinct; external filaments absent. Epithecium: Apical cells black (green- or blue-) or olive. Hymenium: Iodine reaction: Lugol’s positive. Interascal Hyphae: Present, distinctly branched, distinctly anastomosed. Hypothecium: Brown or white.

Ascospores: c. 8 per ascus, broadly ellipsoid or ellipsoid, 11-20 µm long, 7-11 µm wide, obtuse; septa absent; wall thin, not thickened at the septum, hyaline, in Lugol's Solution negative, wall not ornamented.

Conidiogeneous Cells: Apical. Conidia: Bacilliform; aseptate; cell wall hyaline.

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