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Finkia Vain. (1929)

Data Set Maintenance: Data set standard item. Data set author(s): Rambold G. 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: 1. Finkia. Lichinaceae Nyl. (1854); Lichinales.

Type Information: Type: Finkia portoricensis Vain.

Taxonomic Literature: Vainio E., Mycologia 21: 33-40 (1929).

Ecology: Biotroph; lichenized; substrate non-calciferous.

Lichen Photobionts: Primary photobiont present; cyanobacterial. Secondary photobiont absent.

Thallus: Crustose, not subdivided parts, granular or rimose. 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: Apothecioid, orbicular, forming all across the thallus surface, soon sessile. Margin: External filaments absent. Exciple: Brown, white, or brownish yellow. Periphyses: Absent. Epithecium: Apical cells hyaline. Interascal Hyphae: Present. Hypothecium: White.

Ascospores: c. 8 per ascus, ellipsoid, oblong, or oblong-obtuse, 24-27 µm long, 12 µm wide, obtuse; septa present; both transversally and longitudinally; wall not thickened at the septum, hyaline, in Lugol's Solution negative.

Conidiomata: Absent resp. not observed or present.

Secondary Metabolites: Not detected.

(report generated 04.Okt.2007)


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