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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: basionymous or accepted. Taxonomic rank: genus. Number of known taxa within this rank: 1. Gudelia. Gloeoheppiaceae Henssen (1995); Lichinales.

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

Thallus: Foliose, not subdivided parts, rimose, peltate, umbilicate. Upper Surface: Grey or white; special structures absent. Lower Surface: Attached by holdfasts; 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, becoming adnate to soon sessile. Margin: Distinct; external filaments absent. Exciple: White. Interascal Hyphae: Present, scarcely branched, distinctly anastomosed. Hypothecium: White.

Ascospores: c. 4 to c. 8 per ascus, ellipsoid, 10-12-(15) µm long, 7-9.5 µm wide, obtuse; septa absent; wall not thickened at the septum, hyaline, in Lugol's Solution negative.

Conidiomata: Absent resp. not observed or present; immersed, formed all accross the thallus surface.

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