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Phaeosporis Clem. (1909)

Data Set Maintenance: Data set standard item. Data set author(s): Triebel D. Data set reviewer(s): Triebel D. (98-01-01); revised; to be published after submission.

Nomenclature: Current taxonomic status: basionymous or accepted. Taxonomic rank: genus. Number of known taxa within this rank: 1. Phaeosporis. Genus of unknown placement (incertae sedis); Sordariales.

Type Information: Type: P. melasperma (Nyl.) Clem.

Taxonomic Literature: Clauzade G., Diederich P. & Roux C., Bull. Soc. Linn. Provençe, N.S. 1: 1-142 [71] (1989); Eriksson O.E. & Hawksworth D.L., Syst. Ascomycetum 6: 111-165 [145] (1987); Eriksson O.E. & Hawksworth D.L., Syst. Ascomycetum 14: 41-77 [44] (1995); Etayo J., Studia Botanica 13: 255-257 (1994); Matzer M. & Hafellner J., Biblioth. Lichenol. 37: 1-138 [43, 113-114, 122] (1990); Krug J.C., Khan R.S. & Udagawa S., Mycologia 86: 581-585 (1994).

Ecology: Biotroph or saprobic; lichenicolous; terricolous; substrate non-calciferous or 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: Perithecioid, orbicular, not emerging. Margin: Prominent; external filaments absent. Exciple: Black or brown. Periphyses: Present. Hymenium: Iodine reaction: Lugol’s negative, not hemiamyloid. Interascal Hyphae: Present, scarcely branched, not or scarcely anastomosed. Hypothecium: Black or brown.

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

Ascospores: c. 8 per ascus, ellipsoid, 11-26 µm long, 6-14 µm wide, obtuse or aciculate; septa absent; wall not thickened at the septum, pale brown or dark brown, in Lugol's Solution negative, wall ornamented.

Conidiomata: Absent resp. not observed or present.

Secondary Metabolites: Not detected.

(report generated 04.Okt.2007)


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