Botanische Staatssammlung München © 1995–2008
Data remain intellectual property of the data set authors.

Phaeopyxis Rambold & Triebel (1990)

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.

Lichen Photobionts: Primary photobiont absent. Secondary photobiont absent.

Thallus: Indistinct.

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.

Conidiomata: Absent resp. not observed or present.

Secondary Metabolites: Not detected.

(report generated 04.Okt.2007)

In case that additional characters and states are required to be included in this data set, consult the LIAS Instructions to Participants and follow the procedures described there.