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Allantoparmelia (Vain.) Essl. (1978)

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. Taxonomic rank: genus. Number of known taxa within this rank: 3 (estimation provided by A. Aptroot 99-09-27). Allantoparmelia. Parmeliaceae Zenker (1827); Lecanorineae; Lecanorales.

Type Information: Type: Allantoparmelia alpicola (Th. Fr.) Essl.

Taxonomic Literature: Elix J.A., Bryologist 96: 359-383 (1993); Esslinger T.L., J. Hattori Bot. Lab. 42: 1-211 (1977), Esslinger T.L., Mycotaxon 7: 45-54 (1978); Poelt J. & Vezda A., Biblioth. Lichenol. 16: 1-390 [109-110] (1981); Purvis O.W. in: Purvis O.W. et al. (eds), The Lichen Flora of Great Britain and Ireland, London (1992).

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

Ecology: Biotroph; lichenized; substrate non-calciferous.

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

Thallus: Foliose, not subdivided parts, lobed. Upper Surface: Brown; special structures absent. Lower Surface: Attached by holdfasts; 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. Margin: Prominent; external filaments absent. Exciple: Grey or white. Periphyses: Absent. Epithecium: Apical cells brown or brownish yellow. Interascal Hyphae: Present, scarcely branched, not or scarcely anastomosed. Hypothecium: White.

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

Ascospores: c. 8 per ascus, ellipsoid, 7-12 µm long, 4-7 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; pycnidial; immersed, formed all accross the thallus surface.

Conidia: Bacilliform or bifusiform.

Secondary Metabolites: Present, of the following substance class(es): orcinol depsides, orcinol depsidones, and benzyl esters.

(report generated 04.Okt.2007)


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