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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. Fellhaneropsis. Pilocarpaceae Zahlbr. (1905); Cladoniineae; Lecanorales.

Type Information: Type: Fellhaneropsis myrtillicola (Erichsen) Sérus. & Coppins.

Biogeography: Checklist records: Austria, Germany, Great Britain, Italy, and Sweden and Norway.

Ecology: Biotroph; lichenicolous; bryophytic, corticolous, or epiphyllous; substrate non-calciferous.

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

Thallus: Crustose, not subdivided parts, granular or rimose. Upper Surface: Green, grey, brownish yellow, 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, forming all across the thallus surface, soon sessile. Margin: Indistinct to prominent; external filaments absent. Exciple: White or brownish yellow. Periphyses: Absent. Interascal Hyphae: Present, distinctly branched, distinctly anastomosed. Hypothecium: Brown.

Ascospores: c. 8 per ascus, fusiform, 16-25-(42) µm long, 3-4-(4.5) µm wide; septa present; transversally septate, 3-5-(7)-transversally septate, formed by the endospore wall layer; wall thin or 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 or sessile to stipitate, formed all accross the thallus surface.

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