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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: 2. Catarrhospora. Porpidiaceae Hertel & Hafellner (1984); Cladoniineae; Lecanorales.

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

Thallus: Crustose, rimose or areolate (primarily areolate). Thallus Outline: Persistent. Upper Surface: Grey; 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, not emerging. Margin: Indistinct; external filaments absent. Exciple: Grey or white. Periphyses: Absent. Epithecium: Apical cells grey or hyaline. Interascal Hyphae: Present, scarcely branched to distinctly branched, not or scarcely anastomosed to distinctly anastomosed. Hypothecium: Brown, grey, or white.

Ascospores: c. 8 per ascus, oblong, cylindrical, or oblong-obtuse, 15-29 µm long, 7-11.5 µm wide, obtuse; septa present; transversally septate or both transversally and longitudinally, 1-4-transversally septate; wall thick, distinctly differentiated into primary and secondary wall, 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.

Secondary Metabolites: Present, of the following substance class(es): orcinol depsides.

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