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Biatorella De Not. (1846)

Data Set Maintenance: Data set standard item. Data set author(s): Rambold G. Data set not revised; to be published after submission.

Nomenclature: Current taxonomic status: accepted or basionymous. Taxonomic rank: genus. Number of known taxa within this rank: 30. Biatorella. Biatorellaceae Choisy ex Hafellner & Casares-Porcel (1992); Teloschistineae; Lecanorales.

Type Information: Type: Biatorella rousselii (Durieu & Mont.) De Not.

Taxonomic Literature: Duke T. & James P.W. in: Purvis O.W. et al. (eds), The Lichen
Flora of Great Britain and Ireland, London (1992); Galloway D.J.,
Flora of New Zealand Lichens: i-lxxiii, 1-662 [38-39], Wellington
(1985); Hafellner J., Acta Bot. Fenn. 150: 39-46 (1994); Hafellner
J., Crypt. Bot. 5: 99-104 (1995); Hawksworth D.L. & Sherwood
M.A., Can. J. Bot. 59: 357-372 (1981); Poelt J. & Vezda A.,
Biblioth. Lichenol. 9: 1-258 [23-27] (1977).

Biogeography: Checklist records: Austria, Germany, Great Britain, Italy, New Zealand, Sonoran Desert, Sweden and Norway, United States and Canada (continental), Namibia, and Republic of South Africa.

Ecology: Biotroph; lichenized; terricolous.

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

Thallus: Indistinct or crustose, not subdivided parts, granular. Upper Surface: Grey or green; 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: Apothecioid, orbicular, soon sessile. Margin: Indistinct to distinct; external filaments absent. Exciple: White or brownish yellow. Periphyses: Absent. Epithecium: Apical cells hyaline or brownish yellow. Interascal Hyphae: Present, scarcely branched to distinctly branched, not or scarcely anastomosed. Hypothecium: White or brownish yellow.

Asci: Tholus thickened, amyloid, with amyloid cap or entirely amyloid throughout; dehiscence lecanoralean.

Ascospores: More than 32 per ascus, ellipsoid, 3-13 µm long, 2-3.5 µm wide, obtuse; septa absent; 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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