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Lichenopeltella Hoehn. (1919)

Data Set Maintenance: Data set standard item. Data set author(s): Triebel D. Data set reviewer(s): Scholz P. (06-06-12, 06-08-07) and Triebel D. (98-01-01; 00-06-12; 00-11-1; 01-10-19; 03-02-01); revised; to be published after submission.

Nomenclature: Current taxonomic status: accepted or basionymous. Taxonomic rank: genus. Number of known taxa within this rank: 28. Lichenopeltella. Microthyriaceae Sacc. (1883); Dothideales.

Type Information: Type: Lichenopeltella maculans (Zopf) Hoehn.

Taxonomic Literature: Taxonomic notes: Some taxa have ascospores with characteristic appendages,. Aptroot A., Diederich P., Sérusiaux E. & Sipman H.J.M.,
Biblioth. Lichenol. 62: 1-220 [83-99] (1997); Cole M.S. &
Hawksworth D.L., Mycotaxon 83: 391-396 (2002); Earland-Bennett P.M.
& Hawksworth D.L., Lichenologist 31: 575-578 (1999); Ellis J.P.,
Trans. Brit. Mycol. Soc. 68: 145-155 (1977); Eriksson O.E. &
Hawksworth D.L., Syst. Ascomycetum 9: 1-38 [15-16] (1991); Etayo J.,
Bull. Soc. Linn. Provençe 47: 93-110 [101-102] (1996); Etayo
J. & Diederich P., Bull. Soc. Naturalistes Luxemb. 97: 93-118 [99-
100] (1996); Gareth Jones E.B. & Hawksworth D.L., Mycol. Res.
105(6): 642 (2001); Gareth-Jones E. B., Wong S. W., Sivichai S., Au
D. W. T. & Hywel-Jones N. L., Mycol. Res. 103(6): 729-735 (1999);
Hansen E.S. & Alstrup V., Graphis Scripta 7: 33-38 (1995);
Hariharan G.N., Mibey R.K. & Hawksworth D.L., Lichenologist 28:
294-296 (1996); Hawksworth D.L., Notes Roy. Bot. Gard. Edinburgh 38:
165-183 [180-182] (1980) - sub Trichothyrina; Hawksworth D.L., Notes
Roy. Bot. Gard. Edinburgh 40: 375-397 [375 378] (1982) - sub
Actinopeltis; Keissler K. von, Rabenh. Kryptog.-Fl. 8: 1-712 [269-
274] (1930) - sub Microthyrium and Phragmothyrium; Martínez
Moreno M.I., Ruzia 15: 1-200 [169-171] (1999); Matzer M., Mycol. Pap.
171: 1-202 [134-141] (1996); Molitor F. & Diederich P., Bull.
Soc. Naturalistes Luxemb. 98: 69-92 [73-74] (1997); Santesson R.,
Thunbergia 6: 1-18 [5] (1988); Santesson R., Nordic J. Bot. 9: 97-99
(1989); Santesson R., The lichens and lichenicolous fungi of Sweden
and Norway, Lund: 1-240 [130-131] (1993); Santesson R., Thunbergia
31: 1-18 [8] (2001); Spooner B.M. & Kirk P.M., Mycol. Res. 94(2):
223-230 (1990) - sub Micropeltopsis.

Biogeography: Checklist records: Australia, Austria, Great Britain, Sonoran Desert, Sweden and Norway, and United States and Canada (continental).

Ecology: Saprobic or biotroph; lichenicolous; terricolous, corticolous, or epiphyllous; substrate non-calciferous.

Lichen Photobionts: Primary photobiont absent. Secondary photobiont absent.

Thallus: Indistinct.

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 (catathecioid), orbicular, becoming adnate to soon sessile. Margin: External filaments absent or present. Exciple: Black, red, brownish yellow, or brown. Periphyses: Absent. Hymenium: Iodine reaction: Lugol’s negative, not hemiamyloid. Interascal Hyphae: Absent. Hypothecium: Red, brownish yellow, or brown.

Asci: Tholus thickened, not amyloid; dehiscence bitunicate; exoascus not amyloid, not hemiamyloid.

Ascospores: c. 4 to c. 8 per ascus, ellipsoid, ovoid, oblong-obtuse, oblong, fusiform, or curved, 6.5-28 µm long, 1.5-8.5 µm wide, obtuse or aciculate; septa present; transversally septate, 1-6-transversally septate, formed by the proper spore wall; wall thin or thick (some species with characteristic appendages), distinctly differentiated into primary and secondary wall (some species with characteristic appendages), not thickened at the septum, hyaline or pale brown, 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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