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Topeliopsis Kantvilas & Vezda (2000) emend. Kalb (2001)

Data Set Maintenance: Data set standard item. Data set author(s): Scholz P. (02-05-18). Data set not revised; to be published after submission.

Nomenclature: Current taxonomic status: accepted or basionymous. Taxonomic rank: genus. Number of known taxa within this rank: 4-6. Thelotremataceae (Nyl.) Stizenb. (1862); Ostropales.

Type Information: Type: Topeliopsis muscicola Kantvilas & Vezda.

Taxonomic Literature: Taxonomic notes: description according to Kalb (2001). Kalb K., Mycotaxon 79: 319-328 (2001); Kantvilas G. & Vezda A., Lichenologist 32: 325-357 (2000).

Biogeography: Checklist records: Australia.

Ecology: Biotroph; lichenized; bryophytic or corticolous.

Lichen Photobionts: Primary photobiont present; trentepohlioid. Primary photobiont taxonomy: Trentepohlia; Trentepohliaceae; Trentepohliales, Ulvophyceae, Eukariota. Secondary photobiont absent.

Thallus: Indistinct or crustose, not subdivided parts. Upper Surface: Grey; 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: Perithecioid (sometimes becoming gyalectoid), orbicular, forming all across the thallus surface, becoming adnate to soon sessile. Wall: Fused. Exciple: Slightly yellow or white. Epithecium: Apical cells hyaline (sometimes pale orange-brown). Interascal Hyphae: Present, scarcely branched, not or scarcely anastomosed. Hypothecium: White.

Asci: Tholus thickened (markedly when young), not amyloid; exoascus not amyloid.

Ascospores: 1–2, c. 4, or c. 8 per ascus, ellipsoid, fusiform, or oblong-obtuse, 50-200-(270) µm long, 9-52-(60) µm wide, obtuse or aciculate; septa present; transversally septate or both transversally and longitudinally, 12-35-transversally septate; wall thick, distinctly differentiated into primary and secondary wall, hyaline, in Lugol's Solution positive, wall not ornamented.

Conidiomata: Absent resp. not observed.

Secondary Metabolites: Not detected.

(report generated 04.Okt.2007)

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