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Scoliciosporum A. Massal. (1852)

Data Set Maintenance: Data set standard item. Data set author(s): Rambold G. Data set reviewer(s): Triebel D. (03-01-29); not revised; to be published after submission.

Nomenclature: Current taxonomic status: accepted or basionymous. Taxonomic rank: genus. Number of known taxa within this rank: 8. Scoliciosporum. Lecanoraceae Körb. (1855); Lecanorineae; Lecanorales.

Type Information: Type: Scoliciosporum umbrinum (Ach.) Arnold.

Taxonomic Literature: Clauzade G. & Roux C., Bull. Soc. Bot. Centre-Ouest, N.S. 7: 1-
893 [707-708] 1985); Hafellner J. in: Hertel H. & Oberwinkler F.
(eds), Beih. Nova Hedwigia 79: 241-371 [340-341] (1984); Hafellner J., Herzogia 15: 13-18 (2002); Malcolm W.M.
& Vezda A., Folia Geobot. Phytotax. 31: 263-268 (1996); Poelt J.
& Vezda A., Biblioth. Lichenol. 16: 1-390 [307-309] (1981);
Purvis O.W. in: Purvis O.W., Coppins B.J., Hawksworth D.L., James
P.W. & Moore D.M. (eds), The lichen flora of Great Britain and
Ireland: 1-710 [562-564] (1992); Rambold G. & Triebel D.,
Biblioth. Lichenol. 48: 1-201 [127] (1992); Sérusiaux E.,
Nord. J. Bot. 13: 447-461 (1993).

Biogeography: Checklist records: Austria, Germany, Great Britain, Italy, Sonoran Desert, Sweden and Norway, and United States and Canada (continental).

Ecology: Biotroph; lichenized or lichenicolous; lignicolous, corticolous, or epiphyllous; substrate non-calciferous.

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

Thallus: Indistinct or crustose, not subdivided parts, leprose or granular. Upper Surface: Grey, white, olive, or brownish yellow; special structures absent or present:; not pseudocyphellate; eciliate; without hairs; not isidate; not sorediate or sorediate; not cephalodiate; not lobulate; without granules or with granules granules, without thalloconidia thalloconidia. 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, soon sessile to substipitate. Margin: Indistinct to prominent; external filaments absent. Exciple: Grey, white, or brownish yellow. Periphyses: Absent. Epithecium: Apical cells green, brown, olive, or brownish yellow. Interascal Hyphae: Present, scarcely branched to distinctly branched, not or scarcely anastomosed to distinctly anastomosed. Hypothecium: Grey, white, or brownish yellow.

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

Ascospores: c. 8 per ascus, filiform or curved, (12)-13-40 µm long, 1-5 µm wide, obtuse or aciculate; septa present; transversally septate, (1)-3-7-transversally septate; wall thin, not thickened at the septum, hyaline or pale brown, in Lugol's Solution negative, wall not ornamented.

Conidiomata: Absent resp. not observed or present.

Secondary Metabolites: Not detected.

(report generated 04.Okt.2007)

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