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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. Hippocrepidea. Gomphillaceae W. Watson ex Hafellner (1984); Ostropales.

Taxonomic Literature: Aptroot A., Diederich P., Sérusiaux E. & Sipman H.J.M., Biblioth. Lichenol. 64: 1-220 [69-71] (1997).

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

Thallus: Crustose, not subdivided parts. Thallus Outline: Persistent. Upper Surface: Special structures absent. Lower Surface: Attached by the whole lower surface; special structures present:; not pseudocyphellate; not cyphellate; not rhizinate; without thalloconidia thalloconidia; not cavernulate; not tomentose.

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. Wall: Fused. Margin: Indistinct to distinct; external filaments absent. Exciple: White. Epithecium: Apical cells black or green. Interascal Hyphae: Present, distinctly branched, distinctly anastomosed. Hypothecium: Brownish yellow.

Ascospores: c. 8 per ascus, fusiform, 25-34 µm long, 5-8 µm wide, obtuse; septa present; transversally septate, 3-transversally septate; wall thin, not thickened at the septum, in Lugol's Solution negative, wall not ornamented.

Conidiomata: Absent resp. not observed or present; pycnidial or hyphophorous; formed along the thallus periphery.

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