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Data Set Maintenance: Data set standard item. Data set author(s): Triebel D. Data set reviewer(s): Scholz P. (06-06-12; 06-08-07) and Triebel D. (98-01-01); revised; to be published after submission.

Nomenclature: Current taxonomic status: accepted or basionymous. Taxonomic rank: genus. Number of known taxa within this rank: 5. Phaeopyxis. Leotiaceae Corda (1842); Leotiales.

Type Information: Type: Phaeopyxis punctum (A. Massal.) Rambold, Triebel & Coppins.

Taxonomic Literature: Alstrup V. & Hansen E.S., Graphis Scripta 12: 41-50 (2001);
Hafellner J. & Navarro-Rosinés P., Herzogia 9: 769-778
(1993); Rambold G. & Triebel D., Notes Roy. Bot. Gard. Edinburgh
46: 375-389 (1990).

Biogeography: Checklist records: Austria, Great Britain, Sonoran Desert, and Sweden and Norway.

Ecology: Saprobic? or biotroph; algicolous or lichenicolous; terricolous or lignicolous; substrate non-calciferous.

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: Apothecioid, orbicular, soon sessile. Margin: Distinct or prominent; external filaments absent. Exciple: Black, violet, or brown. Periphyses: Absent. Epithecium: Apical cells black, bluish red (= reddish blue, incl. violet, purple), or brown. Hymenium: Iodine reaction: Lugol’s negative, not hemiamyloid. Interascal Hyphae: Present, scarcely branched, not or scarcely anastomosed. Hypothecium: White, violet, or brown.

Asci: Tholus thickened, not amyloid; dehiscence unitunicate; exoascus not amyloid or euamyloid, not hemiamyloid.

Ascospores: c. 8 per ascus, ellipsoid or ovoid, 6-12 µm long, 2.5-5.5 µm wide, obtuse or aciculate; septa absent; wall thin or thick, distinctly differentiated into primary and secondary wall, not thickened at the septum, hyaline, in Lugol's Solution negative, wall not ornamented.

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