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Leucocarpia Vezda (1969)

Data Set Maintenance: Data set standard item. Data set author(s): Rambold G. Data set reviewer(s): Aptroot A. (95-02-18); revised; to be published after submission.

Nomenclature: Current taxonomic status: basionymous or accepted. Taxonomic rank: genus. Number of known taxa within this rank: 1. Leucocarpia. Verrucariaceae Zenker (1827); Verrucariales.

Type Information: Type: Leucocarpia biatorella (Arnold) Ve zda.

Taxonomic Literature: Clauzade G. & Roux C., Bull. Soc. Bot. Centre-Ouest N.S. - Numero Special 7: 1-893 [502] (1985); Coppins B.J. in: Purvis O.W. et al. (eds), The Lichen Flora of Great Britain and Ireland, London (1992); Poelt J. & Vezda A., Biblioth. Lichenol. 16: 1-390 [204] (1981); Vezda A., Herzogia 1: 187-194 (1969).

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

Ecology: Biotroph; lichenized; terricolous or bryophytic.

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

Thallus: Crustose, granular. Upper Surface: Green or white; 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: Perithecioid, orbicular, forming all across the thallus surface, not emerging. Wall: Not carbonized, not fused. Margin: Indistinct. Periphyses: Present. Interascal Hyphae: Present, distinctly branched, distinctly anastomosed.

Asci: Tholus thickened, not amyloid; ocular chamber indistinct; dehiscence bitunicate.

Ascospores: 1–2 to c. 8 per ascus, ellipsoid, 25-230 µm long, 10-70 µm wide, obtuse; septa present; both transversally and longitudinally, 11-30-transversally septate, formed by the proper spore wall; wall thin, 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)


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