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Epigloea Zukal (1889)

Data Set Maintenance: Data set standard item; reviewer(s): Döbbeler P. (94-12-15), Scholz P. (06-12-19), and Triebel D. (98-01-01; 00-11-1); revised; to be published after submission.

Nomenclature: Current taxonomic status: accepted or basionymous. Taxonomic rank: genus. Number of known taxa within this rank: 10. Epigloea. Epigloeaceae Zahlbr. (1903); of unknown placement (incertae sedis).

Type Information: Type: Epigloea bactrospora Zukal.

Taxonomic Literature: Boissiere J.C. & Montavont J.P., Bull. Inform. Ass. Fr. Lichénol. 23: 1-6 (1998); Clauzade G. & Roux C., Bull. Soc. Bot. Centre-Ouest N.S., 7: 1-
893 [362] (1985); David J.C., Syst. Ascomycetum 6: 217-221 (1987);
David J.C. 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 [244-245] (1992); Döbbeler P. in: Hertel H. & Oberwinkler F. (eds),
Beih. Nova Hedwigia 79: 203-239 (1984); Döbbeler P., Sendtnera 2: 277-282 (1994); Pérez-Ortega S. & Barreno E., Nova Hedwigia 83: 523-531 (2006); Poelt J. & Vezda A., Biblioth. Lichenol. 16: 1-390 [148] (1981); Triebel D., Biblioth. Lichenol. 35: 1-278 [227] (1989).

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

Ecology: Biotroph; algicolous, lichenized, or lichenicolous; terricolous, bryophytic, lignicolous, or corticolous; substrate non-calciferous.

Lichen Photobionts: Primary photobiont absent or present; chlorococcal. Primary photobiont taxonomy: Coccomyxa; Coccomyxaceae. Secondary photobiont absent.

Thallus: Indistinct or crustose, not subdivided parts. Upper Surface: Black, green, or olive; special structures absent. Lower Surface: Attached by the whole lower surface; special structures absent.

Medulla: Iodine reaction in Lugol's solution negative; not different with or without KOH pre-treatment (euamyloid).

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, becoming adnate to soon sessile. Margin: External filaments absent. Exciple: Grey, black, green, brownish yellow, or brown. Periphyses: Absent. Hymenium: Iodine reaction: Lugol’s negative, not hemiamyloid. Interascal Hyphae: Present, scarcely branched, not or scarcely anastomosed. Hypothecium: Grey, black, green, brownish yellow, or brown.

Asci: Tholus not thickened; dehiscence unitunicate; exoascus euamyloid, not hemiamyloid.

Ascospores: c. 8 to more than 32 per ascus, ellipsoid, ovoid, oblong-obtuse, cylindrical, fusiform, or curved, 5.5-40 µm long, 1.5-5.5 µm wide, obtuse or aciculate; septa present; transversally septate, 1-6-transversally septate; wall thin or thick, distinctly differentiated into primary and secondary wall, not thickened at the septum, hyaline, in Lugol's Solution negative, wall not ornamented.

Conidiomata: Absent resp. not observed or present; pycnidial; immersed or sessile, formed all accross the thallus surface.

Conidiogeneous Cells: Apical. Conidia: Globose or bacilliform.

Secondary Metabolites: Not detected.

(report generated 04.Okt.2007)

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