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Sarcopyrenia Nyl. (1858)

Data Set Maintenance: Data set standard item. Data set author(s): Rambold G. Data set reviewer(s): Triebel D. (98-01-01, 99-03-19); revised; to be published after submission.

Nomenclature: Current taxonomic status: basionymous or accepted. Taxonomic rank: genus. Number of known taxa within this rank: 3. Sarcopyrenia. Sarcopyreniaceae Nav.-Ros. & Cl. Roux (1998); Verrucariales.

Type Information: Type: Sarcopyrenia gibba (Nyl.) Nyl.

Taxonomic Literature: Aguirre-Hudson B., Bull. Br. Mus. Nat. Hist., Bot. 21: 85-192 (1991); Clauzade G. & Roux C., Bull. Soc. Bot. Centre-Ouest, N.S. 7: 1-893 [705] (1985); Hitch C.J.B. 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 [556] (1992); Navarro-Rosinés P. & Hladun N.L., Candollea 45: 469-489 (1990); Navarro-Rosinés P. & Hladun N.L., Fol. Bot. Misc. 8: 51-53 (1992); Navarro-Rosinés P., Roux C. & Bricaud O., Bull. Soc. Linn. Provençe 49: 125-135 (1998); Poelt J., Bestimmungsschlüssel europäischer Flechten: 1-757 [607] (1969); Tretiach M. & Navarro-Rosinés P., Nova Hedwigia 62: 249-254 (1996).

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

Ecology: Biotroph; lichenized; corticolous; substrate non-calciferous or calciferous.

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

Thallus: Indistinct or crustose, not subdivided parts, squamulose, granular, or rimose. Upper Surface: Brown, grey, brownish yellow, 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, becoming adnate to soon sessile. Margin: Distinct to prominent; external filaments absent. Exciple: Black, brown, or green. Periphyses: Present. Hymenium: Iodine reaction: Lugol’s negative, not hemiamyloid. Interascal Hyphae: Absent or present, scarcely branched, not or scarcely anastomosed. Hypothecium: Black, brown, or green.

Asci: Tholus not thickened or thickened, not amyloid; dehiscence unitunicate or verrucarial; exoascus not amyloid, not hemiamyloid.

Ascospores: c. 8 per ascus, curved, cylindrical, or filiform, 15-60 µm long, .5-5 µm wide, obtuse or aciculate; septa absent or present; transversally septate, 1-2-transversally septate; 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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