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Fellhanera Vezda (1986)

Data Set Maintenance: Data set standard item. Data set author(s): Rambold G. Data set reviewer(s): Lücking R. (95-08-01,; 96-08-01); revised; to be published after submission.

Nomenclature: Current taxonomic status: basionymous or accepted. Taxonomic rank: genus. Number of known taxa within this rank: 60 (A. Aptroot 99-09-27). Fellhanera. Pilocarpaceae Zahlbr. (1905); Cladoniineae; Lecanorales.

Type Information: Type: Fellhanera fuscatula (Müll. Arg.) Ve zda.

Taxonomic Literature: Aptroot A., Diederich P., Sérusiaux E. & Sipman H.J.M., Biblioth. Lichenol. 64: 1-220 [64] (1997); Awasthi D.D. & Mathur R., Proc. Indian Acad. Sci. (Pl. Sci.) 97: 481-503 (1987); Coppins B.J. in: Purvis O.W. et al. (eds), The Lichen Flora of Great Britain and Ireland, London (1992); Ekman S., Opera Bot. 127: 1-148 (1996); Lücking R., Lumbsch H.T. & Elix J.A., Bot. Acta 107: 369-472 (1994); Sérusiaux E., Nord. J. Bot. 13: 447-461 (1993); Sérusiaux E., Lichenologist 28(3): 197-227 (1996); Tønsberg T., Graphis Scripta 3: 118-119 (1992); Vezda A., Folia Geobot. Phytotax. 21: 199-219 (1986).

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

Ecology: Biotroph; lichenized; lignicolous, corticolous, or epiphyllous.

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

Thallus: Crustose, not subdivided parts, granular. Upper Surface: Green, grey, brownish yellow, or olive; 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, forming all across the thallus surface, soon sessile. Margin: Indistinct to prominent; external filaments absent. Exciple: Brown, white, brownish yellow, orange, or yellow. Periphyses: Absent. Epithecium: Apical cells brown, green, brownish yellow, or olive. Interascal Hyphae: Present, scarcely branched to distinctly branched, not or scarcely anastomosed to distinctly anastomosed. Hypothecium: Brown, white, brownish yellow, or orange.

Asci: Tholus thickened, amyloid, with amyloid tube; dehiscence lecanoralean.

Ascospores: c. 8 per ascus, fusiform, oblong-obtuse, or ovoid, 9.5-16 µm long, 2.5-7 µm wide, obtuse; septa present; transversally septate or both transversally and longitudinally, 1-3-transversally septate, formed by the endospore wall layer; wall thin or thick, distinctly differentiated into primary and secondary wall, not thickened at the septum, laterally constricted where the septum meets the spore wall, 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: Globose, bacilliform, reniform, or fusiform.

Secondary Metabolites: Present, of the following substance class(es): (tri-)terpenoids and dibenzofurans [and usnic acids].

(report generated 04.Okt.2007)

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