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Nitschkiopsis Nannf. & R. Sant. (1975)

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

Nomenclature: Current taxonomic status: accepted or basionymous. Taxonomic rank: genus. Number of known taxa within this rank: 1. Nitschkiopsis. Genus of unknown placement (incertae sedis); Sordariales.

Type Information: Type: Nitschkiopsis stictarum Nannf. & R. Sant.

Taxonomic Literature: Taxonomic notes: Tretiach (2002) transfered Nitschkiopsis stictarum Nannf. & R. Sant. to Niesslia as N. stictarum (Nannf. & R. Sant.) Tretiach. Following this the genus Nitschkiopsis would be a later synomym of Niesslia Auersw. Nannfeldt J.A., Svensk Bot. Tidskr. 69: 289-335 [321-324] (1975); Tretiach M., Nova Hedwigia 75(3-4): 357-366 (2002).

Ecology: Biotroph; lichenicolous; corticolous.

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, orbicular, becoming adnate to soon sessile. Margin: External filaments present. Exciple: Brown or brownish yellow. Periphyses: Present. Hymenium: Iodine reaction: Lugol’s negative, not hemiamyloid. Interascal Hyphae: Absent. Hypothecium: Brown or brownish yellow.

Asci: Tholus not thickened or thickened, not amyloid; dehiscence unitunicate (with non-amyloid apical ring); exoascus not amyloid, not hemiamyloid.

Ascospores: c. 8 per ascus, ellipsoid or fusiform, 6-7 µm long, 1.5-2 µm wide, aciculate; septa present; transversally septate, 1-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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