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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. Placynthiopsis. Placynthiaceae Dahl (1950); Peltigerineae; Lecanorales.

Taxonomic Literature: Zahlbruckner A., Ann. Cryptog. Exot. 5: 198-275 [221-223] (1932).

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

Thallus: Crustose, not subdivided parts. Upper Surface: Grey or olive; 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, soon sessile. Margin: Prominent; external filaments absent. Periphyses: Absent. Interascal Hyphae: Present, scarcely branched, not or scarcely anastomosed. Hypothecium: White.

Ascospores: c. 8 per ascus, ellipsoid, oblong-obtuse, or oblong, 11.5-12 µm long, 3 µm wide, obtuse; 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; pycnidial; immersed, formed all accross the thallus surface.

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